Crystal and molecular structure of 1-chlorobenz[a]phenazine-7N-oxide |
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Authors: | Bruna Bovio Stelio Locchi |
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Affiliation: | (1) Istituto di Chimica Generale, Università degli Studi, Pavia, Italy |
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Abstract: | Crystals of 1-chlorobenz[a]phenazine-7N-oxide, C16H9N2OCl, are orthorhombic,a =15·04,b = 3·91,c = 20·50 Å,Z = 4, space groupPna21. The crystal structure has been determined from two- and three-dimensional X-ray photographic data and refined by Fourier and least-squares methods toR = 0·095 for 715 observed reflexions. The molecule is slightly non-planar. Bond lengths and angles compare well with those of other molecules. Close molecular packing is given by layers of molecules parallel to (001) plane.We are grateful to Professor V. Riganti for assistance with the data collection. |
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