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Space groups rare for molecular organic structures: The arithmetic crystal class mmmP

Published/Copyright: August 25, 2010
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Zeitschrift für Kristallographie
From the journal Zeitschrift für Kristallographie Volume 197 Issue 1-2

Abstract

Packing considerations suggest that within an arithmetic crystal class the number of examples of a space-group type should decrease exponentially with the number of mirror planes [m] and twofold axes [2]. After allowing for various other factors, quantitative agreement (R2 ≤ 0.05) could be obtained, but in the crystal class mmm the discrepancies between observed and calculated frequencies greatly exceeded the statistical sampling errors. Kitajgorodskij's prediction that molecules with inherent mirror symmetry will adopt preferentially certain space groups (in particular Pnma) satisfactorily explains the discrepancy.

Published Online: 2010-08-25
Published in Print: 1991

Articles in the same Issue

  1. Hochauflösende 29Si-Festkörper-NMR-Untersuchungen am synthetischen Natriumsilicathydrat Makatit und dessen kristalliner Kieselsäure
  2. Crystal structure of orientationally disordered Na2(Ca,Sr)SiO4
  3. Crystal structure and hydrogen bonding in Li/H-exchanged petalite, HAlSi4O10
  4. Crystal structure of diaryl sulphur diimides Ortho-substituted derivatives
  5. Crystal structure of a substituted pyranocarbazole alkaloid N-allyl girinimbine
  6. The crystal structure of sodium strontium silicate, Na4SrSi3O9
  7. Synthesis and structural characterization of sodium vanadyl(IV) orthophosphate NaVOPO4
  8. Phase transitions in leucite determined by high temperature, single crystal X-ray diffraction
  9. Space groups rare for molecular organic structures: The arithmetic crystal class mmmP
  10. The crystal structure of Pt(II)-trans-[(bis-tricyclohexylphosphine)(η1 -hydro-formyl-ter-butylamido)(hydride)]
  11. Gravegliaite, MnSO3 · 3H2O, a new mineral from Val Graveglia (Northern Apennines, Italy)
  12. Oblique-texture X-ray photographs: more information from powder diffraction
  13. Struktur von Tetraphenylphosphonium-[(Brenzkatechin)chlorid]
  14. The structure of solid dichlorodifluoromethane CF2Cl2 by powder neutron diffraction
  15. Verfeinerung der Kristallstruktur von Mo5Ge3
  16. Crystal structure of hexasodium di-μ-tellurido-bis(ditelluridoaluminate), Na6Al2Te6
  17. Crystal structure of hexasodium di-μ-selenido-bis(diselenidoaluminate), Na6Al2Se6
  18. Crystal structure of hexasodium di-μ-thio-bis(dithiogallate) – I, Na6Ga2S6
  19. Crystal structure of hexapotassium di-μ-tellurido-bis(ditelluridogallate), K6Ga2Te6
  20. Crystal structure of hexasodium di-μ-thio-bis(dithiogallate) – II, Na6Ga2S6
  21. Crystal structure of hexasodium di-μ-selenido-bis(diselenidogallate), Na6Ga2Se6
  22. Crystal structure of hexasodium di-μ-thio-bis(dithioindate), Na6In2S6
  23. Crystal structure of hexapotassium di-μ-selenido-bis(diselenidogallate), K6Ga2Se6
  24. Crystal structure of hexapotassium di-μ-thio-bis(dithiogallate), K6Ga2S6
  25. Crystal structure of hexapotassium di-μ-tellurido-bis(ditelluridoaluminate), K6Al2Te6
  26. Crystal structure of heptasodium catena-octaselenidotriindate(III), Na7In3Se8
  27. Crystal structure of hexasodium di-μ-thio-bis(dithioaluminate) – HT, Na6Al2S6
  28. Crystal structure of pentapotassium tetraselenidogallate(III), K5GaSe4
  29. Crystal structure of a calcium thioindate, Ca0.76In2.84S5
  30. Crystal structure of strontium phyllo-tetrathiodiindate(III), SrIn2S4
  31. Crystal structure of pentasodium tetrathioindate(III), Na5InS4
  32. Crystal structure of sodium phyllo-di-selenidoaluminate, NaAlSe2
  33. Crystal structure of hexapotassium di-μ-selenido-bis(diselenidoaluminate), K6Al2Se6
https://doi.org/10.1524/zkri.1991.197.1-2.85

Articles in the same Issue

  1. Hochauflösende 29Si-Festkörper-NMR-Untersuchungen am synthetischen Natriumsilicathydrat Makatit und dessen kristalliner Kieselsäure
  2. Crystal structure of orientationally disordered Na2(Ca,Sr)SiO4
  3. Crystal structure and hydrogen bonding in Li/H-exchanged petalite, HAlSi4O10
  4. Crystal structure of diaryl sulphur diimides Ortho-substituted derivatives
  5. Crystal structure of a substituted pyranocarbazole alkaloid N-allyl girinimbine
  6. The crystal structure of sodium strontium silicate, Na4SrSi3O9
  7. Synthesis and structural characterization of sodium vanadyl(IV) orthophosphate NaVOPO4
  8. Phase transitions in leucite determined by high temperature, single crystal X-ray diffraction
  9. Space groups rare for molecular organic structures: The arithmetic crystal class mmmP
  10. The crystal structure of Pt(II)-trans-[(bis-tricyclohexylphosphine)(η1 -hydro-formyl-ter-butylamido)(hydride)]
  11. Gravegliaite, MnSO3 · 3H2O, a new mineral from Val Graveglia (Northern Apennines, Italy)
  12. Oblique-texture X-ray photographs: more information from powder diffraction
  13. Struktur von Tetraphenylphosphonium-[(Brenzkatechin)chlorid]
  14. The structure of solid dichlorodifluoromethane CF2Cl2 by powder neutron diffraction
  15. Verfeinerung der Kristallstruktur von Mo5Ge3
  16. Crystal structure of hexasodium di-μ-tellurido-bis(ditelluridoaluminate), Na6Al2Te6
  17. Crystal structure of hexasodium di-μ-selenido-bis(diselenidoaluminate), Na6Al2Se6
  18. Crystal structure of hexasodium di-μ-thio-bis(dithiogallate) – I, Na6Ga2S6
  19. Crystal structure of hexapotassium di-μ-tellurido-bis(ditelluridogallate), K6Ga2Te6
  20. Crystal structure of hexasodium di-μ-thio-bis(dithiogallate) – II, Na6Ga2S6
  21. Crystal structure of hexasodium di-μ-selenido-bis(diselenidogallate), Na6Ga2Se6
  22. Crystal structure of hexasodium di-μ-thio-bis(dithioindate), Na6In2S6
  23. Crystal structure of hexapotassium di-μ-selenido-bis(diselenidogallate), K6Ga2Se6
  24. Crystal structure of hexapotassium di-μ-thio-bis(dithiogallate), K6Ga2S6
  25. Crystal structure of hexapotassium di-μ-tellurido-bis(ditelluridoaluminate), K6Al2Te6
  26. Crystal structure of heptasodium catena-octaselenidotriindate(III), Na7In3Se8
  27. Crystal structure of hexasodium di-μ-thio-bis(dithioaluminate) – HT, Na6Al2S6
  28. Crystal structure of pentapotassium tetraselenidogallate(III), K5GaSe4
  29. Crystal structure of a calcium thioindate, Ca0.76In2.84S5
  30. Crystal structure of strontium phyllo-tetrathiodiindate(III), SrIn2S4
  31. Crystal structure of pentasodium tetrathioindate(III), Na5InS4
  32. Crystal structure of sodium phyllo-di-selenidoaluminate, NaAlSe2
  33. Crystal structure of hexapotassium di-μ-selenido-bis(diselenidoaluminate), K6Al2Se6
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