A second monoclinic polymorph of methyl 4-hydroxybenzoate
نویسندگان
چکیده
منابع مشابه
A second monoclinic polymorph of methyl 4-hydroxybenzoate
A second monoclinic polymorph of methyl 4-hydroxy-benzoate, C(8)H(8)O(3), is reported. The unit-cell dimensions are different from those of the previously reported monoclinic form [Vujovic & Nassimbeni (2006 ▶). Cryst. Growth Des.6, 1595-1597]. The asymmetric unit contains three crystallographically independent mol-ecules, as observed in the previous form. The crystal structure is stabilized by...
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The title compound, C(15)H(15)NO, (I), is a polymorph of the structure (II) reported by Gowda et al. [Acta Cryst. (2008), E64, o1494]. Compound (II) crystalllizes in the space group C2/c (Z = 8), whereas the title compound occurs in space group P2(1)/c (Z = 4). The two mol-ecular structures differ slightly in the relative orientations of their central amide group with respect to the benzoyl rin...
متن کامل1-Nitro-4-(4-nitrophenoxy)benzene: a second monoclinic polymorph
In the title compound, C12H8N2O5, the aromatic rings are inclined to one another by 56.14 (7)°. The nitro groups are inclined by to the benzene rings to which they are attached by 3.86 (17) and 9.65 (15)°. In the crystal, mol-ecules are linked by C-H⋯O hydrogen bonds, forming a three-dimensional structure. The title compound is a new monoclinic polymorph, crystallizing in space group P21/c. The...
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The title compound, C(14)H(13)NO(3)S, (I), is a second monoclinic polymorph. The original polymorph, (II), was reported by Mahía et al. [Acta Cryst. (1999), C55, 2158-2160]. Polymorph (II) crystalllized in the space group P2(1)/c (Z = 4), whereas the title polymorph (I) occurs in the space group P2(1)/n (Z = 4). The dihedral angle between the two aromatic rings is 75.9 (1)° in (I) compared to 8...
متن کاملA monoclinic polymorph of KY(PO3)4
The title compound, potassium yttrium polyphosphate, KY(PO(3))(4), was synthesized using the flux method. The atomic arrangement consists of an infinite long-chain polyphosphate organization. Chains, with a period of four PO(4) tetra-hedra, run along the a-axis direction. Two other polymorphs of this phosphate are known, in space groups P21/n and C2/c.
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2008
ISSN: 1600-5368
DOI: 10.1107/s1600536808017327