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Données cristallographiques des formes polymorphes du complexe racémique de fluorure de tris(éthylènediamine)cobalt(III)
Author(s) -
Spinat P.,
Whuler A.,
Brouty C.
Publication year - 1981
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s002188988100914x
Subject(s) - orthorhombic crystal system , monoclinic crystal system , crystallography , tris , cobalt , lattice constant , chemistry , x ray crystallography , crystal structure , lattice (music) , stereochemistry , diffraction , physics , inorganic chemistry , optics , biochemistry , acoustics
(±)Co(en) 3 F 3 , [Co(C 2 H 8 N 2 ) 3 ]F 3 , C 6 H 24 C o N 6 3 + . 3F − , crystallizes in three different forms, F , A and P . F and A forms are orthorhombic with space groups Fmmm and Amam respectively (or the non‐centrosymmetric equivalent groups F 2 mm and Ama 2 types). Their lattice constants are ( F ) a = 13.448 (3), b = 28.855 (8) and c = 9.462 (4) Å; ( A ) a = 12.262 (2), b = 28.863 (9) and c = 9.386 (2) Å. The P form is monoclinic with space group P 2 1 / n and unit cell a = 12.575 (5), b = 27.65 (1) and c = 19.65 (1) Å, β = 90.5°. X‐ray powder diffraction data are quoted for F and A forms.