Crystalline polymorphism of organic compounds

MR Caira - Design of Organic Solids, 1998 - Springer
Crystal polymorphism is encountered in all areas of research involving solid substances. Its
occurrence introduces complications during manufacturing processes and adds another …

Nickel (II) and zinc (II) dibenzoylmethanates: molecular and crystal structure, polymorphism, and guest-or temperature-induced oligomerization

DV Soldatov, AT Henegouwen, GD Enright… - Inorganic …, 2001 - ACS Publications
Four forms of nickel (II) and two of zinc (II) dibenzoylmethanates have been isolated and
characterized with powder and single-crystal X-ray diffraction analyses, differential scanning …

Polymorphism and Pseudopolymorphism of the [Ni(4-Methylpyridine)4(NCS)2] Werner Complex, the Compound that Led to the Concept of “Organic Zeolites”

DV Soldatov, GD Enright… - Crystal growth & design, 2004 - ACS Publications
The inclusion chemistry of the title complex was revisited in the context of three topical
problems of present-day crystal engineering: conventional and pseudo-polymorphism, the …

Novel 4‐Vinylpyridine‐Extended Metal–Dibenzoylmethanate Host Frameworks: Structure, Polymorphism, and Inclusion Properties

DV Soldatov, JA Ripmeester - Chemistry–A European Journal, 2001 - Wiley Online Library
In this contribution we show that host materials based on metal dibenzoylmethanates (DBM)
can be extended in a versatile way by decreasing the packing efficiency of the simpler metal …

Inclusion complexes of the natural product gossypol. Recognition by gossypol of halogeno methanes. Structure of the dichloromethane complex of gossypol and …

BT Ibragimov, SA Talipov, TF Aripov - Journal of inclusion phenomena and …, 1994 - Springer
The structures of gossypol complexes are extremely sensitive to the halogenomethane
present as the guest; eg changing the number of Cl atoms in chloromethane derivatives …

Inclusion potential, polymorphism, and molecular isomerism of metal dibenzoylmethanates coordinated with 2-methylpyridine

DV Soldatov, GD Enright, CI Ratcliffe… - Chemistry of …, 2001 - ACS Publications
In this study, new complexes of metal (II)(Ni, Zn, Cd) dibenzoylmethanates (DBMs)
coordinated with 2-methylpyridine (2-MePy) were prepared and studied for host properties …

Surface Recognition of Dipolar Molecules Entering Channels of the Organic Zeolite Tris(o‐phenylenedioxy)cyclotriphosphazene

T Hertzsch, S Kluge, E Weber, F Budde… - Advanced …, 2001 - Wiley Online Library
Macroscopically polar crystals of an organic zeolite, tris (o‐phenylenedioxy)
cyclotriphosphazene, are obtained by partial guest exchange of included THF molecules …

A simple correlation between the structures of different crystal modifications of a given host–guest complex and their crystallization temperatures

B Ibragimov - Journal of inclusion phenomena and macrocyclic …, 1999 - Springer
The formation of different crystal modifications of a given host-guest complex depending on
the crystallization temperature (pseudopolymorphism) is studied. It is shown that such …

(6,17-Dimethyl-8,15-diphenyldibenzo[b,i][1,4,8,11]-tetra-aza[14]annulenato)nickel(II) in Solids:  Two Guest-Free Polymorphs and Inclusion Compounds with Methylene …

DV Soldatov, PR Diamente, CI Ratcliffe… - Inorganic …, 2001 - ACS Publications
Two guest-free polymorphs and two inclusion compounds of the macrocyclic title complex
[NiL] have been isolated and characterized with single-crystal and/or powder XRD, solid …

Sorption of ammonia, methylamine and methanol by the P3 polymorph of gossypol. Synthesis of unsymmetrical monoamine derivatives of gossypol by a solid-state …

SA Talipov, A Manakov, BT Ibragimov… - Journal of inclusion …, 1997 - Springer
The P3 polymorph of gossypol has wide, empty channels andstrongly absorbs linear
amines. One of the two gossypol aldehydegroups is located near the channel wall. This …