A New Polymorph of 2-Thiohydantoin

Toshiakzu OGAWA; Hisako OKUMURA; Mitsunori HONDA; Mitsuhiro SUDA; Shuhei FUJINAMI; Akio KUWAE; Kazuhiko HANAI; Ko-Ki KUNIMOTO

doi:10.2116/xraystruct.25.91

Part 9

A New Polymorph of 2-Thiohydantoin

Toshiakzu OGAWA, Hisako OKUMURA, Mitsunori HONDA, Mitsuhiro SUDA, Shuhei FUJINAMI, Akio KUWAE, Kazuhiko HANAI, Ko-Ki KUNIMOTO

Author information

Toshiakzu OGAWA
Division of Material Sciences, Graduate School of Natural Science and Technology, Kanazawa University
Hisako OKUMURA
Division of Material Sciences, Graduate School of Natural Science and Technology, Kanazawa University
Mitsunori HONDA
Division of Material Sciences, Graduate School of Natural Science and Technology, Kanazawa University
Mitsuhiro SUDA
Division of Material Sciences, Graduate School of Natural Science and Technology, Kanazawa University
Shuhei FUJINAMI
Division of Material Sciences, Graduate School of Natural Science and Technology, Kanazawa University
Akio KUWAE
Graduate School of Natural Sciences, Nagoya City University
Kazuhiko HANAI
Graduate School of Natural Sciences, Nagoya City University
Ko-Ki KUNIMOTO
Division of Material Sciences, Graduate School of Natural Science and Technology, Kanazawa University

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Supplementary material

2009 Volume 25 Pages 91-92

DOI https://doi.org/10.2116/xraystruct.25.91

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Abstract

A new polymorphic crystal of the title compound, C₃H₄N₂OS, belongs to space group P1 with cell dimensions of a = 4.0520(9)Å, b = 6.550(1)Å, c = 9.170(2)Å, α = 100.148(4)°, β = 100.814(4)°, γ = 96.831(4)°, R1 = 0.069. Neighboring molecules are connected to form cyclic dimers via two types of hydrogen bonds, one between the thioamide groups and the other between the amide moieties, showing a distinctive difference from the hydrogen-bonding pattern of the known form.

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