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½ð³æ (ÕýʽдÊÖ)
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- ³æºÅ: 1221750
- ×¢²á: 2011-03-05
- ÐÔ±ð: GG
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gzqdyouxia(½ð±Ò+1): ллÌáʾ 2011-05-13 12:54:50
guolianshun(½ð±Ò+6): ллÄã 2011-05-13 14:40:00
gzqdyouxia(½ð±Ò+1): ллÌáʾ 2011-05-13 12:54:50
guolianshun(½ð±Ò+6): ллÄã 2011-05-13 14:40:00
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PbO2 Structure type Pearson symbol Space group No. Fe2N0.94 oP12 Pbcn 60 Cell parameters a = 0.4971 nm, b = 0.5956 nm, c = 0.5438 nm, ¦Á = 90 ¡ã, ¦Â = 90 ¡ã, ¦Ã = 90 ¡ã Cell volume 0.16100 nm3 Cell density (calculated) 9.87 Mg m-3 Z 4 Atom coordinates No Site notation Atom Multiplicity Wyckoff Site symmetry x y z Occupancy 1 O1 O 8 d 1 0.249 0.128 0.0827 1.0 2 Pb1 Pb 4 c .2. 0 0.364 1/4 1.0 PbO2 Structure type Pearson symbol Space group No. TiO2 tP6 P42/mnm 136 Cell parameters a = 0.49609 nm, b = 0.49609 nm, c = 0.33893 nm, ¦Á = 90 ¡ã, ¦Â = 90 ¡ã, ¦Ã = 90 ¡ã Cell volume 0.08341 nm3 Cell density (calculated) 9.45 Mg m-3 Z 2 Atom coordinates No Site notation Atom Multiplicity Wyckoff Site symmetry x y z Occupancy 1 O1 O 4 f m.2m 0.30478 0.30478 0 0.940 2 Pb1 Pb 2 a m.mm 0 0 0 1.0 PbO2 Structure type Pearson symbol Space group No. CaF2 cF12 Fm-3m 225 ell parameters a = 0.53492 nm, b = 0.53492 nm, c = 0.53492 nm, ¦Á = 90 ¡ã, ¦Â = 90 ¡ã, ¦Ã = 90 ¡ã Cell volume 0.15306 nm3 Cell density (calculated) 10.38 Mg m-3 Z 4 Atom coordinates No Site notation Atom Multiplicity Wyckoff Site symmetry x y z Occupancy 1 O O 8 c -43m 1/4 1/4 1/4 1.0 2 Pb Pb 4 a m-3m 0 0 0 1.0 |
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