Crystal data for C.I. Pigment Yellow 4, α-(1 -hydroxyethylidene)acetanilide-α-azo-(4'-nitrobenzine)
- 1 December 1983
- journal article
- Published by International Union of Crystallography (IUCr) in Journal of Applied Crystallography
- Vol. 16 (6) , 648
- https://doi.org/10.1107/s0021889883011255
Abstract
The single-crystal data and powder pattern are reported for C.I. Pigment Yellow 4, α-(1-hydroxyethylidene)acetanilide-α-azo-(4′-nitrobenzene), C16H14N4O4 (C.I. No 11665). The powder pattern has been indexed from the single-crystal dimensions; the problems of multiple indexing have been reduced by comparison with single-crystal intensities. Crystal is triclinic, P1 or P\bar 1, a = 7.691(2), b = 10.247(2), c = 11.195(2) Å, α = 109.00(2), β = 73.80(2), γ = 112.21(2)°, Z = 2, Dx = 1.426 Mg m−3. The JCPDS Diffraction File No. for C.I. Pigment Yellow 4 is 33-1985.Keywords
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