The effect of pressure on circular dichroism (CD) spectra of the octahedral chiral Lambda-, Delta- and (Lambda, Delta)tris(O,O′-bis[(+)(S)-2-methylbutyl]dithiophosphate)Cr(III) complexes, have been studied in the pressure range 0-2.5 GPa. Results on polycrystalline samples dispersed in nujol show a pressure-induced Delta to Lambda inversion of configuration at the metal center above 1.2 GPa. The high pressure stability of the Lambda-form is explained in terms of most favoured crystal packing among different ligand conformations of the chiral complex.

The effect of pressure on CD spectra of the chiral octahedral transition metal complexes Lambda-, Delta- and (Lambda, Delta)[Cr[(+)(S)(S)Mebdtp]3]

BENEDETTI, MICHELE;
2000

Abstract

The effect of pressure on circular dichroism (CD) spectra of the octahedral chiral Lambda-, Delta- and (Lambda, Delta)tris(O,O′-bis[(+)(S)-2-methylbutyl]dithiophosphate)Cr(III) complexes, have been studied in the pressure range 0-2.5 GPa. Results on polycrystalline samples dispersed in nujol show a pressure-induced Delta to Lambda inversion of configuration at the metal center above 1.2 GPa. The high pressure stability of the Lambda-form is explained in terms of most favoured crystal packing among different ligand conformations of the chiral complex.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11587/105932
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