Materials chemistry communications. Application of the combined maximum entropy and likelihood method to the ab initio determination of an organic crystal structure from X-ray powder diffraction data
- 1 January 1992
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of Materials Chemistry
- Vol. 2 (12) , 1301-1302
- https://doi.org/10.1039/jm9920201301
Abstract
The combined maximum entropy and likelihood method has been applied to the determination of a previously unknown organic crystal structure, toluene-p-sulfonhydrazide (p-CH3C6H4SO2NHNH2), directly from X-ray powder diffraction data. The partial structure solution obtained using the maximum entropy technique was closer to the final refined structure than was the partial structure solution generated by conventional direct methods calculations. The structure is monoclinic, P21/n, a= 18.6021(6)Å, b= 5.6406(2)Å, c= 8.5356(3)Å, β= 106.22(2)°.Keywords
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