6 4 0 0000 0 0 0 0 0999 V2000 1.3400 -1.3320 0.0000 O 0 5 0 0 0 0 0 0 0 0 0 2.6720 -1.3320 0.0000 Si 0 0 0 0 0 0 0 0 0 0 0 2.6720 -2.6600 0.0000 O 0 5 0 0 0 0 0 0 0 0 0 2.6720 0.0000 0.0000 O 0 5 0 0 0 0 0 0 0 0 0 4.0000 -1.3320 0.0000 O 0 5 0 0 0 0 0 0 0 0 0 0.0000 -1.3320 0.0000 Hf 0 0 0 0 0 0 0 0 0 0 0 1 2 1 0 2 3 1 0 2 4 1 0 2 5 1 0 M CHG 5 1 -1 3 -1 4 -1 5 -1 6 4 M END > InChI=1S/Hf.O4Si/c;1-5(2,3)4/q+4;-4 > VCFZGYGRRNTEGX-UHFFFAOYSA-N > 1/0/N:6;1,3,4,5,2/E:;(1,2,3,4)/CRV:;1-1,2-1,3-1,4-1/rA:6nO-SiO-O-O-Hf+4/rB:s1;s2;s2;s2;;/rC:1.34,-1.332,0;2.672,-1.332,0;2.672,-2.66,0;2.672,0,0;4,-1.332,0;0,-1.332,0; > Hf O4 Si > 270.5731 > [O-][Si]([O-])([O-])[O-].[Hf+4] > 16470992 $$$$