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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

Crystal structure of 5,9-Dimethoxy-3,3,8-trimethy1-7,10-dihydro-3H-naphtho[ 2,1-b]pyran-7,10-dione

SR Hall, CL Raston and AH White

Australian Journal of Chemistry 31(3) 685 - 688
Published: 1978

Abstract

The crystal structure of the title compound, C18H18O5, has been determined by single-crystal X-ray diffraction methods at 295 K and refined by least squares to a residual of 0.058 for 1502 'observed' reflections. Crystals are monoclinic, P 21/n, a 22.048(6), b 7.075(2), c 10.443(3) Ǻ, β 100.40(3)°, Z 4.    

The structure was solved by a combination of special direct phasing procedures and translation functions, after conventional direct methods had failed.

https://doi.org/10.1071/CH9780685

© CSIRO 1978

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