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Preparation, Crystal Structure, Vibrational Spectra, and Thermal Behavior of N, N′-Dimethylpiperazinium(2+) Hydrogen Selenite

✍ Scribed by Ivan Němec; Vı́t Chudoba; David Havlı́ček; Ivana Cı́sařová; Zdeněk Mička


Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
374 KB
Volume
161
Category
Article
ISSN
0022-4596

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The Crystal Structure, Vibrational Spect
✍ David Havlı́ček; Jiřı́ Plocek; Ivan Němec; Róbert Gyepes; Zdeněk Mička 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 212 KB

The crystal structure of piperazinium(2؉) selenate monohydrate has been resolved; this substance crystallizes in the monoclinic space group P2 1 /n, a ‫؍‬ 6.4586(8), b ‫؍‬ 11.8335(7), c ‫؍‬ 11.8065(7) A > , ‫؍‬ 100.990(8)3; V ‫؍‬ 885.80(13) A > 5 , Z ‫؍‬ 4, R ‫؍‬ 0.0446 for 1556 observed re6ections.

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The crystal structure, thermoanalytical properties, and infrared absorption spectra of \(\mathrm{Co}\left(\mathrm{HSeO}_{3}\right)_{2} \cdot 2 \mathrm{H}_{2} \mathrm{O}\) are given. The crystals of the substance are monoclinic, with space group \(P 21 / n, a=\) \(7.1357(6) \AA, b=6.8759(6) \AA, c=8.