Structure and Properties of Orthorhombic l-Arginine Formate
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https://figshare.com/articles/dataset/Structure_and_Properties_of_Orthorhombic_l_Arginine_Formate/3060562
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Single crystals of orthorhombic l-arginine formate (+(NH2)2CNH(CH2)3CH(NH3+)COO-·HCOO-) that had dimensions
of ca. 30 × 30 × 40 mm and were of optical quality were grown by controlled evaporation of aqueous solutions. An X-ray structure
analysis yielded space group P212121, a1 = 7.706(2) Å, a2 = 7.808(2) Å, a3 = 18.594(4) Å, Z = 4, and ρc = 1.308 Mg/m3 at 293
K. Hydrogen bonds determine the interactions between monovalent l-arginine cations and also the interactions of these cations with
formate anions. The structure is compared with that of the monoclinic polymorph. ATR FTIR and FT Raman spectra, TG, DTA,
thermal expansion, and elastic and thermoelastic properties are reported.
创建时间:
2006-09-06



