Polarized Infrared Spectra of Single Crystals of 9,10-Anthraquinone and 9,10-Anthraquinone-d8
โ Scribed by Pecile, Cesare
- Book ID
- 121272928
- Publisher
- American Institute of Physics
- Year
- 1967
- Tongue
- English
- Weight
- 854 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0021-9606
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๐ SIMILAR VOLUMES
Neutron inelastic incoherent scattering spectra of V,lM.ntiaqtione crystal were measuredat 20 and --144'C, and tie spectra obtained were compaxd with the calculated frequency distribution OF the lattice vibrations. \_Mean square amplitude tensors of the molecule in the crystil were &so calculated at
The lowest triplet state cf 9,lOantbraquinone single crystals is assigned as 3B rg located at 22153 cm-r. The pure electronic transition to this state is forbidden in the centrosymmetric crystal, but is induced in an electric field. Combined Stark-Zeeman measurements provide an unambiguous symmetry
Single crystals of 9,10-anthraquinone having dimensions 5 mm x 5 mm x 1.5 mm were grown from the melt using the Bridgeman technique. The starting material was purified by sublimation and zone-refining techniques in speciallydesigned crystal-growth tubes. The crystals were transparent and yellow in c