Acta Crystallographica Section E: Structure Reports Online - Volume 64, issue Pt 5

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Electronic ISSN
1600-5368

Abstract

In the title mol­ecule, C27H24N2O, the piperidine ring adopts a boat conformation. The acetyl group at position 1 has a bis­ectional orientation. The two phenyl rings attached to the piperidine ring at positions 2 and 6 have bis­ectional and axial orientations, re

Abstract

The title compound, sodium tetraborate decahydrate (mineral name: borax), Na2[B4O5(OH)4]·8H2O, has been studied previously using X-ray [Morimoto (1956). Miner. J.2, 1–18] and neutron [Levy & Lisensky (1978). Acta Cryst.</

Abstract

In the title compound, C23H19NO, the oxindole residue is essentially planar and is almost perpendicular to the phenyl rings [dihedral angles = 72.1 (6) and 77.6 (6)°]. The mol­ecular packing is stabilized by C—H⋯O hydrogen bonds and C—H⋯N inter­actions.

Abstract

In the title compound, C11H11NO4S, the thia­zine ring adopts a distorted half-chair conformation. The enolic H atom is involved in an intra­molecular O—H⋯O hydrogen bond, forming a six-membered ring. Mol­ecules are linked through weak inter­molecular C—H⋯O hydroge

Abstract

The hydroxyl group in each of the two independent mol­ecules of the title compound, C7H5NO4, participates in two O—H⋯O hydrogen bonds, viz. one intra­molecular bond to the nitro group and one inter­molecular bond to the aldehyde group of the same mol­ecule