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gyliu
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dachun97: ½ð±Ò+25, ¡ïÓаïÖú 2013-03-29 12:47:13
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dachun97: ½ð±Ò+25, ¡ïÓаïÖú 2013-03-29 12:47:13
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*data for ICSD #79376 Coll Code 79376 Rec Date 1996/10/14 Mod Date 2006/04/01 Chem Name Nickel(I) Disilicon Triphosphide Structured Ni Si2 P3 Sum Ni1 P3 Si2 ANX AB2X3 D(calc) 3.35 Title Ni1.282(4) Si1.284(5) P3 or Ni Si2 P3: two solutions with different atom distributions for one single-crystal X-ray data set, both refined to residuals of less than 2.5% Author(s) Wallinda, J.;Jeitschko, W. Reference Journal of Solid State Chemistry (1995), 114, 476-480 Unit Cell 3.505(1) 11.071(3) 5.307(1) 90. 90. 90. Vol 205.93 Z 2 Space Group I m m 2 SG Number 44 Cryst Sys orthorhombic Pearson oI12 Wyckoff d2 b a R Value .02 Red Cell I 3.505 5.307 6.383 114.560 105.933 89.999 102.966 Trans Red 1.000 0.000 0.000 / 0.000 0.000 -1.000 / -0.500 0.500 0.500 Comments Structure solution with ideal occupancy after STRUCTURE TIDY. Same structure can be refined as Ni1.282 Si1.284 P3; the authors argue that this latter solution is, however, incorrect The structure has been assigned a PDF number (calculated powder diffraction data): 01-083-0288 X-ray diffraction from single crystal Atom # OX SITE x y z SOF H Ni 1 +1 2 b 0 0.5 0.2516(1) 1. 0 Si 1 +4 4 d 0 0.16512(3) 0.2435(1) 1. 0 P 1 -3 4 d 0 0.33617(4) 0.009 1. 0 P 2 -3 2 a 0 0 0.0000(1) 1. 0 *end for ICSD #79376 |
2Â¥2013-03-29 09:35:23
dachun97
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3Â¥2013-03-29 14:26:27
gyliu
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*data for ICSD #250225 Coll Code 250225 Rec Date 2005/04/01 Chem Name Nickel Phosphide (5/2) Structured Ni5 P2 Sum Ni5 P2 ANX N12O31 D(calc) 5.79 Title Crystal structure of Ni5 P2 Author(s) Oryshchyn, S.;Babizhet'sky, V.S.;Chikhrii, S.I.;Aksel'rud, L.G.;Stojko, S.;Bauer, D.;Guerin, P.;Kuz'ma, Yu.B. Reference Neorganicheskie Materialy (2004), 40, 450-456 Unit Cell 12.311(6) 12.311(6) 4.663(7) 90 90 120 Vol 612.04 Z 6 Space Group P -3 c 1 SG Number 165 Cryst Sys trigonal/rhombohedral Pearson hP43 Wyckoff g3 f d2 c3 R Value .0346 Red Cell P 4.663 12.311 12.311 120 90 90 612.044 Trans Red 0.000 0.000 1.000 / 1.000 0.000 0.000 / 0.000 1.000 0.000 Comments The structure has been assigned a PDF number (calculated powder diffraction data): 01-073-4277 X-ray diffraction from single crystal At least one temperature factor is implausible or meaningless but agrees with the value given in the paper. Atom # OX SITE x y z SOF H Ni 1 +0 4 d 0.6667 0.3333 0.1788(1) 1. 0 Ni 2 +0 4 c 0 0 0.3140(3) 0.464(5) 0 Ni 3 +0 4 c 0 0 0.1483(10) 0.127(4) 0 Ni 4 +0 12 g 0.3443(2) 0.0421(2) 0.55487(7) 1. 0 Ni 5 +0 12 g 0.6709(2) 0.0925(2) 0.84558(9) 0.769(3) 0 Ni 6 +0 12 g 0.3146(10) 0.2722(8) 0.8362(3) 0.246(3) 0 P 1 +0 4 c 0 0 0.4810(10) 0.497(7) 0 P 2 +0 4 d 0.6667 0.3333 0.4818(2) 1. 0 P 3 +0 6 f 0.3346(3) 0 0.25 1. 0 Lbl Type B11 B22 B33 B12 B13 B23 Ni1 Ni0+ 0.49(4) 0.49(4) 0.79(6) 0.25(4) 0 0 Ni2 Ni0+ 0.54(8) 0.54(8) 2.7(2) 0.27(8) 0 0 Ni3 Ni0+ 1.2(3) 1.2(3) 0.3(5) 0.6(3) 0 0 Ni4 Ni0+ 0.83(4) 1.05(4) 0.70(3) -0.12(3) 0.00(3) 0.31(3) Ni5 Ni0+ 0.50(4) 0.81(5) 0.60(4) 0.00(4) -0.06(4) 0.13(4) Ni6 Ni0+ 3.3(2) 0.9(2) 0.41(14) 1.3(2) -0.27(15) -0.11(12) P1 P0+ 0.39(9) 0.39(9) 3.7(8) 0.20(9) 0 0 P2 P0+ 0.44(5) 0.44(5) 0.73(8) 0.22(5) 0 0 P3 P0+ 0.67(5) 0.71(7) 0.55(6) 0.36(7) -0.07(3) -0.14(3) *end for ICSD #250225 |
4Â¥2013-03-29 16:38:32













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