(SiO2)4  (P4_12_12) ~  (COD #9001578) (VASP)
    1.0
            4.97170000 0.00000000 0.00000000 
            0.00000000 4.97170000 0.00000000 
            0.00000000 0.00000000 6.92230000 
  Si O
  4 8
Direct
        0.30028000 0.30028000 0.00000000      	#	1      	Si1
        0.80028000 0.19972000 0.75000000      	#	2      	Si1
        0.19972000 0.80028000 0.25000000      	#	3      	Si1
        0.69972000 0.69972000 0.50000000      	#	4      	Si1
        0.23920000 0.10440000 0.17870000      	#	5      	O1
        0.73920000 0.39560000 0.57130000      	#	6      	O1
        0.26080000 0.60440000 0.07130000      	#	7      	O1
        0.76080000 0.89560000 0.67870000      	#	8      	O1
        0.89560000 0.76080000 0.32130000      	#	9      	O1
        0.39560000 0.73920000 0.42870000      	#	10     	O1
        0.60440000 0.26080000 0.92870000      	#	11     	O1
        0.10440000 0.23920000 0.82130000      	#	12     	O1