Thermal and spectroscopic studies of as-grown l-arginine hydrochloride monohydrate crystals

Mukerji, Sudeshna; Kar, Tanusree

doi:10.1016/s0254-0584(98)00169-2

Cited by 40 publications

(25 citation statements)

References 6 publications

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“…Haussühl et al 2 grew single crystals of L-arginine hydrochloride monohydrate (LAHCL) and measured several physical properties. Under hightemperature conditions, 3 differential thermal analysis and thermogravimetric analysis of LAHCL crystals revealed that they do not show any structural modification unless mass changes are involved. Through these two techniques, it was observed that LAHCL crystals start to lose water of crystallization at 70°C, by 100°C one-third of the water molecules are lost and a further one-third of the water molecules are eliminated range between 100 and 200°C.…”

Section: Introductionmentioning

confidence: 99%

Temperature‐dependent Raman study of L‐arginine hydrochloride monohydrate single crystal

Lima

Freire

Sasaki

et al. 2002

J Raman Spectroscopy

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Polarized Raman spectra of L-arginine hydrochloride monohydrate single crystal were studied at temperatures ranging from 295 to 10 K. The behavior of the linewidth, wavenumber and intensity of several bands is discussed and related to some particular vibrational modes associated with hydrogen bonds or even to other vibrations, such as CN, CCC, CCN and CH vibrations. The disappearance of some bands in the lattice vibrational region was associated with a phase transition undergone by the crystal between 100 and 110 K.

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Section: Introductionmentioning

confidence: 99%

Temperature‐dependent Raman study of L‐arginine hydrochloride monohydrate single crystal

Lima

Freire

Sasaki

et al. 2002

J Raman Spectroscopy

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“…It is three times more nonlinear than that of KDP [2][3]. The refractive index and SHG measurement looked promising for L-arginine with acids like fluoride, chloride and acetate [4][5][6]. L-arginine trifluoroacetate (LATF), one of the important analogs of L-arginine, has better thermal stability and transparency than LAP [7].…”

Section: Introductionmentioning

confidence: 99%

Nucleation kinetics and growth aspects of organic nonlinear optical L‐arginine trifluoroacetate single crystals

Arjunan

Kumar

Mohan

et al. 2008

Cryst. Res. Technol.

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Experimental determination of solubility, metastable zonewidth and induction period for an organic nonlinear optical (NLO) L-arginine trifluoroacetate (LATF) crystal is reported. The interfacial tension for different supersaturation conditions has been estimated for the LATF solution at 45°C. Bulk crystal of dimensions 57x5x3 mm 3 has been grown by temperature lowering technique using optimized growth parameters. Powder X-ray diffraction and FTIR studies confirm the crystalline nature and the functional groups of the grown crystals respectively. Linear optical property of the grown crystal has been studied by UV-Vis spectrum. Thermal analyses have revealed that the compound is thermally stable upto 212°C. Kurtz powder SHG test confirm the nonlinear optical properties of the as-grown LATF crystal.

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“…It was observed that under high temperature conditions LAHW begins to lost water of crystallization at 70 o C and at 200 o C about two-third of it are eliminated [7]. Under low temperature conditions, on the other hand, it was observed through Raman scattering technique, evidence of a phase transition undergone by LAHW between 100 and 110 K [8].…”

Section: Introductionmentioning

confidence: 99%

Polarized Raman spectra of L-arginine hydrochloride monohydrated single crystal

Faria¹,

Freire²,

Gonçalves³

et al. 2010

Braz. J. Phys.

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Polarized Raman spectra of L-arginine hydrochloride monohydrated single crystal in nine different scattering geometries of the two irreducible representations of factor group C 2 were studied at room temperature. The experimental wavenumber values are compared with those obtained from ab-initio calculation and the assignment of the Raman bands to the respective molecular vibrations is also given. Finally, a discussion related to a previously reported phase transition undergone by L-arginine hydrochloride monohydrated single crystal at low temperature is furnished.

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Thermal and spectroscopic studies of as-grown l-arginine hydrochloride monohydrate crystals

Cited by 40 publications

References 6 publications

Temperature‐dependent Raman study of L‐arginine hydrochloride monohydrate single crystal

Temperature‐dependent Raman study of L‐arginine hydrochloride monohydrate single crystal

Nucleation kinetics and growth aspects of organic nonlinear optical L‐arginine trifluoroacetate single crystals

Polarized Raman spectra of L-arginine hydrochloride monohydrated single crystal

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