A new polymorph of cis-transoid-cis-dicyclohexano-18-crown-6

Kravtsov Victor; Fonari Marina; Zaworotko Michael; Lipkowski Janusz

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KRAVTSOV, Victor, FONARI, Marina, ZAWOROTKO, Michael, LIPKOWSKI, Janusz. A new polymorph of cis-transoid-cis-dicyclohexano-18-crown-6. In: Acta Crystallographica Section C: Crystal Structure Communications, 2002, vol. 58, pp. 683-684. ISSN 0108-2701. DOI: https://doi.org/10.1107/S0108270102018206

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Acta Crystallographica Section C: Crystal Structure Communications

Volumul 58 / 2002 / ISSN 0108-2701 /ISSNe 1600-5759

A new polymorph of cis-transoid-cis-dicyclohexano-18-crown-6

DOI:https://doi.org/10.1107/S0108270102018206

Pag. 683-684

Kravtsov Victor¹, Fonari Marina¹, Zaworotko Michael², Lipkowski Janusz³

¹ Institute of Applied Physics, Academy of Sciences of Moldova,
² University of South Florida,
³ Institute of Physical Chemistry of the Polish Academy of Sciences, Polonia

Disponibil în IBN: 8 noiembrie 2023

Rezumat

The orthorhombic polymorphic modification of the cis-transoid-cis-dicyclohexano-18-crown-6 was found and compared with the monoclinic modification. The crown-ether molecules are centrosymmetric in the structures of the two polymorphs and reveals the same molecular shape but different packing motifs. The crystals of the above compound were obtained serendipitously with tin tetrafluoride methanol.

Cuvinte-cheie
Conformations, crystal structure, Ethers, methanol, molecular structure, Tin compounds

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