acetylene away from Si surface
    1.0
            15.46892000 0.00000000 0.00000000 
            0.00000000 15.46892000 0.00000000 
            0.00000000 0.00000000 33.87636000 
  Si H C
  256 34 2
Selective dynamics
Direct
        0.06250000 0.00000000 0.27801633  F F F      	#	1      	Si1
        0.18750000 0.00000000 0.72198367  T T T      	#	2      	Si2
        0.06250000 0.00000000 0.43945900  F F F      	#	3      	Si3
        0.18750000 0.00000000 0.56054100  F F F      	#	4      	Si4
        0.06250000 0.00000000 0.60090167  T T T      	#	5      	Si5
        0.18750000 0.00000000 0.39909833  F F F      	#	6      	Si6
        0.06250000 0.00000000 0.76234434  T T T      	#	7      	Si7
        0.18750000 0.00000000 0.23765566  F F F      	#	8      	Si8
        0.06250000 0.12500000 0.31837700  F F F      	#	9      	Si9
        0.18750000 0.12500000 0.68162300  T T T      	#	10     	Si10
        0.06250000 0.12500000 0.47981967  F F F      	#	11     	Si11
        0.18750000 0.12500000 0.52018033  F F F      	#	12     	Si12
        0.06250000 0.12500000 0.64126234  T T T      	#	13     	Si13
        0.18750000 0.12500000 0.35873766  F F F      	#	14     	Si14
        0.06250000 0.12500000 0.80270501  T T T      	#	15     	Si15
        0.18750000 0.12500000 0.19729499  F F F      	#	16     	Si16
        0.06250000 0.25000000 0.27801633  F F F      	#	17     	Si17
        0.18750000 0.25000000 0.72198367  T T T      	#	18     	Si18
        0.06250000 0.25000000 0.43945900  F F F      	#	19     	Si19
        0.18750000 0.25000000 0.56054100  F F F      	#	20     	Si20
        0.06250000 0.25000000 0.60090167  T T T      	#	21     	Si21
        0.18750000 0.25000000 0.39909833  F F F      	#	22     	Si22
        0.06250000 0.25000000 0.76234434  T T T      	#	23     	Si23
        0.18750000 0.25000000 0.23765566  F F F      	#	24     	Si24
        0.06250000 0.37500000 0.31837700  F F F      	#	25     	Si25
        0.18750000 0.37500000 0.68162300  T T T      	#	26     	Si26
        0.06250000 0.37500000 0.47981967  F F F      	#	27     	Si27
        0.18750000 0.37500000 0.52018033  F F F      	#	28     	Si28
        0.06250000 0.37500000 0.64126234  T T T      	#	29     	Si29
        0.18750000 0.37500000 0.35873766  F F F      	#	30     	Si30
        0.06250000 0.37500000 0.80270501  T T T      	#	31     	Si31
        0.18750000 0.37500000 0.19729499  F F F      	#	32     	Si32
        0.06250000 0.50000000 0.27801633  F F F      	#	33     	Si33
        0.18750000 0.50000000 0.72198367  T T T      	#	34     	Si34
        0.06250000 0.50000000 0.43945900  F F F      	#	35     	Si35
        0.18750000 0.50000000 0.56054100  F F F      	#	36     	Si36
        0.06250000 0.50000000 0.60090167  T T T      	#	37     	Si37
        0.18750000 0.50000000 0.39909833  F F F      	#	38     	Si38
        0.06250000 0.50000000 0.76234434  T T T      	#	39     	Si39
        0.18750000 0.50000000 0.23765566  F F F      	#	40     	Si40
        0.06250000 0.62500000 0.31837700  F F F      	#	41     	Si41
        0.18750000 0.62500000 0.68162300  T T T      	#	42     	Si42
        0.06250000 0.62500000 0.47981967  F F F      	#	43     	Si43
        0.18750000 0.62500000 0.52018033  F F F      	#	44     	Si44
        0.06250000 0.62500000 0.64126234  T T T      	#	45     	Si45
        0.18750000 0.62500000 0.35873766  F F F      	#	46     	Si46
        0.06250000 0.62500000 0.80270501  T T T      	#	47     	Si47
        0.18750000 0.62500000 0.19729499  F F F      	#	48     	Si48
        0.06250000 0.75000000 0.27801633  F F F      	#	49     	Si49
        0.18750000 0.75000000 0.72198367  T T T      	#	50     	Si50
        0.06250000 0.75000000 0.43945900  F F F      	#	51     	Si51
        0.18750000 0.75000000 0.56054100  F F F      	#	52     	Si52
        0.06250000 0.75000000 0.60090167  T T T      	#	53     	Si53
        0.18750000 0.75000000 0.39909833  F F F      	#	54     	Si54
        0.06250000 0.75000000 0.76234434  T T T      	#	55     	Si55
        0.18750000 0.75000000 0.23765566  F F F      	#	56     	Si56
        0.06250000 0.87500000 0.31837700  F F F      	#	57     	Si57
        0.18750000 0.87500000 0.68162300  T T T      	#	58     	Si58
        0.06250000 0.87500000 0.47981967  F F F      	#	59     	Si59
        0.18750000 0.87500000 0.52018033  F F F      	#	60     	Si60
        0.06250000 0.87500000 0.64126234  T T T      	#	61     	Si61
        0.18750000 0.87500000 0.35873766  F F F      	#	62     	Si62
        0.06250000 0.87500000 0.80270501  T T T      	#	63     	Si63
        0.18750000 0.87500000 0.19729499  F F F      	#	64     	Si64
        0.31250000 0.00000000 0.27801633  F F F      	#	65     	Si65
        0.43750000 0.00000000 0.72198367  T T T      	#	66     	Si66
        0.31250000 0.00000000 0.43945900  F F F      	#	67     	Si67
        0.43750000 0.00000000 0.56054100  F F F      	#	68     	Si68
        0.31250000 0.00000000 0.60090167  T T T      	#	69     	Si69
        0.43750000 0.00000000 0.39909833  F F F      	#	70     	Si70
        0.31250000 0.00000000 0.76234434  T T T      	#	71     	Si71
        0.43750000 0.00000000 0.23765566  F F F      	#	72     	Si72
        0.31250000 0.12500000 0.31837700  F F F      	#	73     	Si73
        0.43750000 0.12500000 0.68162300  T T T      	#	74     	Si74
        0.31250000 0.12500000 0.47981967  F F F      	#	75     	Si75
        0.43750000 0.12500000 0.52018033  F F F      	#	76     	Si76
        0.31250000 0.12500000 0.64126234  T T T      	#	77     	Si77
        0.43750000 0.12500000 0.35873766  F F F      	#	78     	Si78
        0.31250000 0.12500000 0.80270501  T T T      	#	79     	Si79
        0.43750000 0.12500000 0.19729499  F F F      	#	80     	Si80
        0.31250000 0.25000000 0.27801633  F F F      	#	81     	Si81
        0.43750000 0.25000000 0.72198367  T T T      	#	82     	Si82
        0.31250000 0.25000000 0.43945900  F F F      	#	83     	Si83
        0.43750000 0.25000000 0.56054100  F F F      	#	84     	Si84
        0.31250000 0.25000000 0.60090167  T T T      	#	85     	Si85
        0.43750000 0.25000000 0.39909833  F F F      	#	86     	Si86
        0.31250000 0.25000000 0.76234434  T T T      	#	87     	Si87
        0.43750000 0.25000000 0.23765566  F F F      	#	88     	Si88
        0.31250000 0.37500000 0.31837700  F F F      	#	89     	Si89
        0.43750000 0.37500000 0.68162300  T T T      	#	90     	Si90
        0.31250000 0.37500000 0.47981967  F F F      	#	91     	Si91
        0.43750000 0.37500000 0.52018033  F F F      	#	92     	Si92
        0.31250000 0.37500000 0.64126234  T T T      	#	93     	Si93
        0.43750000 0.37500000 0.35873766  F F F      	#	94     	Si94
        0.31250000 0.37500000 0.80270501  T T T      	#	95     	Si95
        0.43750000 0.37500000 0.19729499  F F F      	#	96     	Si96
        0.31250000 0.50000000 0.27801633  F F F      	#	97     	Si97
        0.43750000 0.50000000 0.72198367  T T T      	#	98     	Si98
        0.31250000 0.50000000 0.43945900  F F F      	#	99     	Si99
        0.43750000 0.50000000 0.56054100  F F F      	#	100    	Si100
        0.31250000 0.50000000 0.60090167  T T T      	#	101    	Si101
        0.43750000 0.50000000 0.39909833  F F F      	#	102    	Si102
        0.31250000 0.50000000 0.76234434  T T T      	#	103    	Si103
        0.43750000 0.50000000 0.23765566  F F F      	#	104    	Si104
        0.31250000 0.62500000 0.31837700  F F F      	#	105    	Si105
        0.43750000 0.62500000 0.68162300  T T T      	#	106    	Si106
        0.31250000 0.62500000 0.47981967  F F F      	#	107    	Si107
        0.43750000 0.62500000 0.52018033  F F F      	#	108    	Si108
        0.31250000 0.62500000 0.64126234  T T T      	#	109    	Si109
        0.43750000 0.62500000 0.35873766  F F F      	#	110    	Si110
        0.31250000 0.62500000 0.80270501  T T T      	#	111    	Si111
        0.43750000 0.62500000 0.19729499  F F F      	#	112    	Si112
        0.31250000 0.75000000 0.27801633  F F F      	#	113    	Si113
        0.43750000 0.75000000 0.72198367  T T T      	#	114    	Si114
        0.31250000 0.75000000 0.43945900  F F F      	#	115    	Si115
        0.43750000 0.75000000 0.56054100  F F F      	#	116    	Si116
        0.31250000 0.75000000 0.60090167  T T T      	#	117    	Si117
        0.43750000 0.75000000 0.39909833  F F F      	#	118    	Si118
        0.31250000 0.75000000 0.76234434  T T T      	#	119    	Si119
        0.43750000 0.75000000 0.23765566  F F F      	#	120    	Si120
        0.31250000 0.87500000 0.31837700  F F F      	#	121    	Si121
        0.43750000 0.87500000 0.68162300  T T T      	#	122    	Si122
        0.31250000 0.87500000 0.47981967  F F F      	#	123    	Si123
        0.43750000 0.87500000 0.52018033  F F F      	#	124    	Si124
        0.31250000 0.87500000 0.64126234  T T T      	#	125    	Si125
        0.43750000 0.87500000 0.35873766  F F F      	#	126    	Si126
        0.31250000 0.87500000 0.80270501  T T T      	#	127    	Si127
        0.43750000 0.87500000 0.19729499  F F F      	#	128    	Si128
        0.56250000 0.00000000 0.27801633  F F F      	#	129    	Si129
        0.68750000 0.00000000 0.72198367  T T T      	#	130    	Si130
        0.56250000 0.00000000 0.43945900  F F F      	#	131    	Si131
        0.68750000 0.00000000 0.56054100  F F F      	#	132    	Si132
        0.56250000 0.00000000 0.60090167  T T T      	#	133    	Si133
        0.68750000 0.00000000 0.39909833  F F F      	#	134    	Si134
        0.56250000 0.00000000 0.76234434  T T T      	#	135    	Si135
        0.68750000 0.00000000 0.23765566  F F F      	#	136    	Si136
        0.56250000 0.12500000 0.31837700  F F F      	#	137    	Si137
        0.68750000 0.12500000 0.68162300  T T T      	#	138    	Si138
        0.56250000 0.12500000 0.47981967  F F F      	#	139    	Si139
        0.68750000 0.12500000 0.52018033  F F F      	#	140    	Si140
        0.56250000 0.12500000 0.64126234  T T T      	#	141    	Si141
        0.68750000 0.12500000 0.35873766  F F F      	#	142    	Si142
        0.56250000 0.12500000 0.80270501  T T T      	#	143    	Si143
        0.68750000 0.12500000 0.19729499  F F F      	#	144    	Si144
        0.56250000 0.25000000 0.27801633  F F F      	#	145    	Si145
        0.68750000 0.25000000 0.72198367  T T T      	#	146    	Si146
        0.56250000 0.25000000 0.43945900  F F F      	#	147    	Si147
        0.68750000 0.25000000 0.56054100  F F F      	#	148    	Si148
        0.56250000 0.25000000 0.60090167  T T T      	#	149    	Si149
        0.68750000 0.25000000 0.39909833  F F F      	#	150    	Si150
        0.56250000 0.25000000 0.76234434  T T T      	#	151    	Si151
        0.68750000 0.25000000 0.23765566  F F F      	#	152    	Si152
        0.56250000 0.37500000 0.31837700  F F F      	#	153    	Si153
        0.68750000 0.37500000 0.68162300  T T T      	#	154    	Si154
        0.56250000 0.37500000 0.47981967  F F F      	#	155    	Si155
        0.68750000 0.37500000 0.52018033  F F F      	#	156    	Si156
        0.56250000 0.37500000 0.64126234  T T T      	#	157    	Si157
        0.68750000 0.37500000 0.35873766  F F F      	#	158    	Si158
        0.56250000 0.37500000 0.80270501  T T T      	#	159    	Si159
        0.68750000 0.37500000 0.19729499  F F F      	#	160    	Si160
        0.56250000 0.50000000 0.27801633  F F F      	#	161    	Si161
        0.68750000 0.50000000 0.72198367  T T T      	#	162    	Si162
        0.56250000 0.50000000 0.43945900  F F F      	#	163    	Si163
        0.68750000 0.50000000 0.56054100  F F F      	#	164    	Si164
        0.56250000 0.50000000 0.60090167  T T T      	#	165    	Si165
        0.68750000 0.50000000 0.39909833  F F F      	#	166    	Si166
        0.56250000 0.50000000 0.76234434  T T T      	#	167    	Si167
        0.68750000 0.50000000 0.23765566  F F F      	#	168    	Si168
        0.56250000 0.62500000 0.31837700  F F F      	#	169    	Si169
        0.68750000 0.62500000 0.68162300  T T T      	#	170    	Si170
        0.56250000 0.62500000 0.47981967  F F F      	#	171    	Si171
        0.68750000 0.62500000 0.52018033  F F F      	#	172    	Si172
        0.56250000 0.62500000 0.64126234  T T T      	#	173    	Si173
        0.68750000 0.62500000 0.35873766  F F F      	#	174    	Si174
        0.56250000 0.62500000 0.80270501  T T T      	#	175    	Si175
        0.68750000 0.62500000 0.19729499  F F F      	#	176    	Si176
        0.56250000 0.75000000 0.27801633  F F F      	#	177    	Si177
        0.68750000 0.75000000 0.72198367  T T T      	#	178    	Si178
        0.56250000 0.75000000 0.43945900  F F F      	#	179    	Si179
        0.68750000 0.75000000 0.56054100  F F F      	#	180    	Si180
        0.56250000 0.75000000 0.60090167  T T T      	#	181    	Si181
        0.68750000 0.75000000 0.39909833  F F F      	#	182    	Si182
        0.56250000 0.75000000 0.76234434  T T T      	#	183    	Si183
        0.68750000 0.75000000 0.23765566  F F F      	#	184    	Si184
        0.56250000 0.87500000 0.31837700  F F F      	#	185    	Si185
        0.68750000 0.87500000 0.68162300  T T T      	#	186    	Si186
        0.56250000 0.87500000 0.47981967  F F F      	#	187    	Si187
        0.68750000 0.87500000 0.52018033  F F F      	#	188    	Si188
        0.56250000 0.87500000 0.64126234  T T T      	#	189    	Si189
        0.68750000 0.87500000 0.35873766  F F F      	#	190    	Si190
        0.56250000 0.87500000 0.80270501  T T T      	#	191    	Si191
        0.68750000 0.87500000 0.19729499  F F F      	#	192    	Si192
        0.81250000 0.00000000 0.27801633  F F F      	#	193    	Si193
        0.93750000 0.00000000 0.72198367  T T T      	#	194    	Si194
        0.81250000 0.00000000 0.43945900  F F F      	#	195    	Si195
        0.93750000 0.00000000 0.56054100  F F F      	#	196    	Si196
        0.81250000 0.00000000 0.60090167  T T T      	#	197    	Si197
        0.93750000 0.00000000 0.39909833  F F F      	#	198    	Si198
        0.81250000 0.00000000 0.76234434  T T T      	#	199    	Si199
        0.93750000 0.00000000 0.23765566  F F F      	#	200    	Si200
        0.81250000 0.12500000 0.31837700  F F F      	#	201    	Si201
        0.93750000 0.12500000 0.68162300  T T T      	#	202    	Si202
        0.81250000 0.12500000 0.47981967  F F F      	#	203    	Si203
        0.93750000 0.12500000 0.52018033  F F F      	#	204    	Si204
        0.81250000 0.12500000 0.64126234  T T T      	#	205    	Si205
        0.93750000 0.12500000 0.35873766  F F F      	#	206    	Si206
        0.81250000 0.12500000 0.80270501  T T T      	#	207    	Si207
        0.93750000 0.12500000 0.19729499  F F F      	#	208    	Si208
        0.81250000 0.25000000 0.27801633  F F F      	#	209    	Si209
        0.93750000 0.25000000 0.72198367  T T T      	#	210    	Si210
        0.81250000 0.25000000 0.43945900  F F F      	#	211    	Si211
        0.93750000 0.25000000 0.56054100  F F F      	#	212    	Si212
        0.81250000 0.25000000 0.60090167  T T T      	#	213    	Si213
        0.93750000 0.25000000 0.39909833  F F F      	#	214    	Si214
        0.81250000 0.25000000 0.76234434  T T T      	#	215    	Si215
        0.93750000 0.25000000 0.23765566  F F F      	#	216    	Si216
        0.81250000 0.37500000 0.31837700  F F F      	#	217    	Si217
        0.93750000 0.37500000 0.68162300  T T T      	#	218    	Si218
        0.81250000 0.37500000 0.47981967  F F F      	#	219    	Si219
        0.93750000 0.37500000 0.52018033  F F F      	#	220    	Si220
        0.81250000 0.37500000 0.64126234  T T T      	#	221    	Si221
        0.93750000 0.37500000 0.35873766  F F F      	#	222    	Si222
        0.81250000 0.37500000 0.80270501  T T T      	#	223    	Si223
        0.93750000 0.37500000 0.19729499  F F F      	#	224    	Si224
        0.81250000 0.50000000 0.27801633  F F F      	#	225    	Si225
        0.93750000 0.50000000 0.72198367  T T T      	#	226    	Si226
        0.81250000 0.50000000 0.43945900  F F F      	#	227    	Si227
        0.93750000 0.50000000 0.56054100  F F F      	#	228    	Si228
        0.81250000 0.50000000 0.60090167  T T T      	#	229    	Si229
        0.93750000 0.50000000 0.39909833  F F F      	#	230    	Si230
        0.81250000 0.50000000 0.76234434  T T T      	#	231    	Si231
        0.93750000 0.50000000 0.23765566  F F F      	#	232    	Si232
        0.81250000 0.62500000 0.31837700  F F F      	#	233    	Si233
        0.93750000 0.62500000 0.68162300  T T T      	#	234    	Si234
        0.81250000 0.62500000 0.47981967  F F F      	#	235    	Si235
        0.93750000 0.62500000 0.52018033  F F F      	#	236    	Si236
        0.81250000 0.62500000 0.64126234  T T T      	#	237    	Si237
        0.93750000 0.62500000 0.35873766  F F F      	#	238    	Si238
        0.81250000 0.62500000 0.80270501  T T T      	#	239    	Si239
        0.93750000 0.62500000 0.19729499  F F F      	#	240    	Si240
        0.81250000 0.75000000 0.27801633  F F F      	#	241    	Si241
        0.93750000 0.75000000 0.72198367  T T T      	#	242    	Si242
        0.81250000 0.75000000 0.43945900  F F F      	#	243    	Si243
        0.93750000 0.75000000 0.56054100  F F F      	#	244    	Si244
        0.81250000 0.75000000 0.60090167  T T T      	#	245    	Si245
        0.93750000 0.75000000 0.39909833  F F F      	#	246    	Si246
        0.81250000 0.75000000 0.76234434  T T T      	#	247    	Si247
        0.93750000 0.75000000 0.23765566  F F F      	#	248    	Si248
        0.81250000 0.87500000 0.31837700  F F F      	#	249    	Si249
        0.93750000 0.87500000 0.68162300  T T T      	#	250    	Si250
        0.81250000 0.87500000 0.47981967  F F F      	#	251    	Si251
        0.93750000 0.87500000 0.52018033  F F F      	#	252    	Si252
        0.81250000 0.87500000 0.64126234  T T T      	#	253    	Si253
        0.93750000 0.87500000 0.35873766  F F F      	#	254    	Si254
        0.81250000 0.87500000 0.80270501  T T T      	#	255    	Si255
        0.93750000 0.87500000 0.19729499  F F F      	#	256    	Si256
        0.11231625 0.12498780 0.17286168  T T T      	#	257    	H1
        0.11231625 0.37501220 0.17286168  T T T      	#	258    	H2
        0.11232576 0.62498813 0.17285111  T T T      	#	259    	H3
        0.11231261 0.87501360 0.17286448  T T T      	#	260    	H4
        0.36231063 0.12498640 0.17286589  T T T      	#	261    	H5
        0.36231063 0.37501360 0.17286589  T T T      	#	262    	H6
        0.36225831 0.62497520 0.17290224  T T T      	#	263    	H7
        0.36231261 0.87501361 0.17286448  T T T      	#	264    	H8
        0.61231626 0.12501220 0.17286168  T T T      	#	265    	H9
        0.61231626 0.37498780 0.17286168  T T T      	#	266    	H10
        0.76274169 0.62497520 0.17290224  T T T      	#	267    	H11
        0.61231261 0.87501361 0.17286448  T T T      	#	268    	H12
        0.86231063 0.12501360 0.17286589  T T T      	#	269    	H13
        0.86231063 0.37498640 0.17286589  T T T      	#	270    	H14
        0.01267424 0.62498813 0.17285111  T T T      	#	271    	H15
        0.86231261 0.87501361 0.17286448  T T T      	#	272    	H16
        0.26291462 0.12501826 0.17301626  T T T      	#	273    	H17
        0.26291462 0.37498173 0.17301626  T T T      	#	274    	H18
        0.26291511 0.62501844 0.17302060  T T T      	#	275    	H19
        0.26290991 0.87498189 0.17301268  T T T      	#	276    	H20
        0.51290844 0.12501553 0.17301203  T T T      	#	277    	H21
        0.51290844 0.37498447 0.17301203  T T T      	#	278    	H22
        0.51283541 0.62500519 0.17293837  T T T      	#	279    	H23
        0.51290991 0.87498189 0.17301268  T T T      	#	280    	H24
        0.76291462 0.12498173 0.17301626  T T T      	#	281    	H25
        0.76291462 0.37501826 0.17301626  T T T      	#	282    	H26
        0.61216458 0.62500519 0.17293837  T T T      	#	283    	H27
        0.76290992 0.87498189 0.17301268  T T T      	#	284    	H28
        0.01290844 0.12498447 0.17301203  T T T      	#	285    	H29
        0.01290844 0.37501553 0.17301203  T T T      	#	286    	H30
        0.86208489 0.62501844 0.17302060  T T T      	#	287    	H31
        0.01290992 0.87498189 0.17301268  T T T      	#	288    	H32
        0.40856990 0.49277791 0.95470965  T T T      	#	289    	H33
        0.62022682 0.49277791 0.95470965  T T T      	#	290    	H34
        0.47861539 0.49277791 0.95470965  T T T      	#	291    	C1
        0.55018134 0.49277791 0.95470965  T T T      	#	292    	C2