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Direct Observation of Ground State Splitting in the Chromium( III ) Acetate Trimer by Inelastic Neutron Scattering
Author(s) -
Jayasooriya Upali A.,
Can Roderick D.,
White Ross P.,
Kearley Gordon J.
Publication year - 1989
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198909301
Subject(s) - inelastic neutron scattering , trimer , equilateral triangle , ground state , inelastic scattering , symmetry (geometry) , tetrahedral symmetry , chemistry , chromium , atomic physics , crystallography , scattering , physics , nuclear magnetic resonance , optics , dimer , rotational symmetry , geometry , mathematics , mechanics , organic chemistry
Although the X‐ray Crystal structure analysis indicated an equilateral Cr III 3triangle in the complex cation 1 of [Cr 3 O(O 2 CCH 3 ) 6 (OH 2 ) 3 ]Cl · 5 H 2 O, spectroscopic findings and magnetic parameters are consistent with a distortion of the symmetry. The symmetry lowering should result in a splitting of the electronic ground state into two levels, a presumption which has already long been discussed for such systems and has now been demonstrated directly for the first time by inelastic neutron scattering.
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