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Name and formula Reference code: 00-002-0809 PDF index name: Sodium Hydride Empirical formula: HNa Chemical formula: NaH Crystallographic parameters Crystal system: Cubic Space group: Fm-3m Space group number: 225 a (?): 4.8830 b (?): 4.8830 c (?): 4.8830 Alpha (¡ã): 90.0000 Beta (¡ã): 90.0000 Gamma (¡ã): 90.0000 Calculated density (g/cm^3): 1.36 Measured density (g/cm^3): 1.38 Volume of cell (10^6 pm^3): 116.43 Z: 4.00 RIR: - Subfiles and Quality Subfiles: Inorganic Alloy, metal or intermetalic Forensic Quality: Blank (B) Comments Color: Colorless General comments: Data at 20 C. Reference reports data up to 420 C. Shull et al., Phys. Rev., 73 842 (1948) established that NaH has the NaCl structure, S.G. is Fm3m (225). Cell parameter generated by least squares refinement. Optical data: B=1.470 Melting point: 800 C Unit cell: Reference reports: a=4.890. References Primary reference: Zintl, Harder., Z. Phys. Chem., B14, 265, (1931) Optical data: Kazarnovskii, Proskurnin., Z. Anorg. Allg. Chem., 170, 301, (1928) Peak list No. h k l d [A] 2Theta[deg] I [%] 1 1 1 1 2.83000 31.589 100.0 2 2 0 0 2.44000 36.806 80.0 3 2 2 0 1.73000 52.880 70.0 4 3 1 1 1.47000 63.204 70.0 5 2 2 2 1.41000 66.229 40.0 6 4 0 0 1.22000 78.306 20.0 7 3 3 1 1.12000 86.907 50.0 8 4 2 0 1.09000 89.934 50.0 9 4 2 2 0.99600 101.319 50.0 10 5 1 1 0.93900 110.238 54.0 11 4 4 0 0.86300 126.400 20.0 12 5 3 1 0.82540 137.893 60.0 13 6 0 0 0.81400 142.281 60.0 Name and formula Reference code: 01-085-0401 ICSD name: Sodium Amide Empirical formula: H2NNa Chemical formula: NaNH2 Crystallographic parameters Crystal system: Orthorhombic Space group: Fddd Space group number: 70 a (?): 8.9490 b (?): 10.4560 c (?): 8.0610 Alpha (¡ã): 90.0000 Beta (¡ã): 90.0000 Gamma (¡ã): 90.0000 Calculated density (g/cm^3): 1.37 Volume of cell (10^6 pm^3): 754.27 Z: 16.00 RIR: 1.19 Subfiles and Quality Subfiles: Inorganic ICSD Pattern Quality: Calculated (C) Comments ICSD collection code: 014007 References Primary reference: Calculated from ICSD using POWD-12++ Structure: Nagib, M., Kistrup, H., Jacobs, H., Atomkernerergie, 26, 87, (1975) Peak list No. h k l d [A] 2Theta[deg] I [%] 1 1 1 1 5.19714 17.047 100.0 2 2 2 0 3.39943 26.194 12.5 3 0 2 2 3.19202 27.929 54.1 4 1 3 1 3.01241 29.631 41.9 5 2 0 2 2.99470 29.810 10.4 6 3 1 1 2.70253 33.121 21.9 7 0 4 0 2.61400 34.277 3.4 8 1 1 3 2.49892 35.908 8.9 9 4 0 0 2.23725 40.279 25.2 10 3 3 1 2.18170 41.351 19.6 11 1 3 3 2.07029 43.687 17.8 12 0 0 4 2.01525 44.944 14.5 13 2 4 2 1.96931 46.052 51.5 14 4 2 2 1.83206 49.727 10.2 15 2 2 4 1.73238 52.802 9.0 16 5 1 1 1.72335 53.100 3.0 17 4 4 0 1.69971 53.898 1.4 18 3 5 1 1.67497 54.760 0.1 19 2 6 0 1.62386 56.636 9.5 20 0 6 2 1.59956 57.576 0.6 21 0 4 4 1.59601 57.716 1.2 22 1 1 5 1.56870 58.818 2.3 23 4 4 2 1.56615 58.924 1.5 24 5 3 1 1.56197 59.097 3.4 25 4 0 4 1.49735 61.920 6.8 26 5 1 3 1.47471 62.979 1.0 27 1 7 1 1.44932 64.212 4.8 28 1 3 5 1.44406 64.475 2.1 29 4 2 4 1.43947 64.705 0.9 30 6 2 0 1.43427 64.968 0.1 31 3 1 5 1.40544 66.471 1.6 32 6 0 2 1.39880 66.828 1.0 33 5 3 3 1.36974 68.440 2.5 34 6 2 2 1.35127 69.508 0.1 35 5 5 1 1.34083 70.129 0.1 36 3 7 1 1.31766 71.549 2.8 37 3 3 5 1.31370 71.798 2.1 38 0 8 0 1.30700 72.224 1.4 39 0 2 6 1.30122 72.596 1.0 40 4 4 4 1.29928 72.721 0.9 41 1 7 3 1.29187 73.206 1.7 42 2 0 6 1.28675 73.545 0.6 43 2 6 4 1.26444 75.064 4.1 44 7 1 1 1.25354 75.831 0.7 45 6 4 2 1.23332 77.302 4.8 46 5 5 3 1.21326 78.825 0.2 47 3 7 3 1.19602 80.189 1.1 48 5 1 5 1.19009 80.671 0.5 49 7 3 1 1.18715 80.912 1.2 50 3 5 5 1.17380 82.028 0.1 51 6 2 4 1.16854 82.478 0.1 52 2 4 6 1.15446 83.709 2.5 53 7 1 3 1.14745 84.337 0.2 54 1 9 1 1.14052 84.969 0.2 55 1 1 7 1.13537 85.446 1.5 56 6 6 0 1.13314 85.655 2.0 57 4 8 0 1.12853 86.089 1.2 58 4 2 6 1.12481 86.444 0.7 59 8 0 0 1.11863 87.040 0.7 60 0 8 4 1.09657 89.250 1.1 |
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