M. A. Sridhar

The first copper(I) complex of tris(hydroxymethyl)phosphine

The first copper(I) complex of tris(hydroxymethyl)phosphine (THP) has been synthesized from a reaction with [Cu(CH3CN)4]ClO4. The crystal structure and spectroscopic properties of this complex showing the tetrahedral coordination around copper and a deprotonated THP coordinated to Cu through P are presented.

Hydrothermal synthesis, structure and characterization of new NASICON related potassium iron (III) pyrophosphate

A new potassium iron (III) pyrophosphate was synthesized by hydrothermal technique and characterized by X-ray studies. The compound crystallizes in a monoclinic space group,P21/c, with cell parameters,a = 7 365(2) Å,b = 10017(2) Å,c = 8.214(1) Å,β = 106.50(1)° andZ = 4. The structure has tunnel-type cavities and are congenial for ion transportation through them. The compound exhibits moderate thermal stability.

Synthesis and crystal structure of 1-(4-fluorophenyl)-3-(3,4,5-trimethoxyphenyl)-2-propen-1-one

The title compound C18 H17FO4 was synthesized and recrystallized from an organic solution. The crystal structure of 1-(4-fluorophenyl)-3-(3,4,5-trimethoxyphenyl)-2-propen-1-one was determined by X-ray diffraction analysis. The title compound crystallizes in the monoclinic crystal class in the space group P21/c with cell parameters a = 7.6930(6) Å, b = 15.2320(11)Å, c = 14.1280(12) Å, β = 106.596(3)°, Z = 4, and V = 1586.6(2) Å3. The unsaturated keto group is not strictly planar and is in a s-cis conformation.

Synthesis, Growth, and Characterization of Sodium Coordinated Glycine-Nlo Material

A new complex of the amino acid glycine has been synthesized by coordination with sodium nitrate. The title complex, Na(CH 2 NH 2 COOH) 2 NO 3 , crystallizes in the monoclinic space group, Cc , with parameters a =14.331(2) Å, b =5.262(2) Å, c =9.119(2) Å, g =119.08(1), V =600.8(2) Å 3 , Z =4, F.W. =159.06, D c =1.758 Mg.m m 3 , F 000 =324, u (MoK f )=0.71069 Å, w =0.228 mm m 1 , R 1=0.0481. The compound exhibits some novel structural features. The optical second harmonic generation conversion efficiency was determined using Kurtz powder technique. It was found to be twice that of Potassium Diortho Phosphate (KDP).

Synthesis and structural characterization of Na2MnP2O7 crystal

Na2MnP2O7 crystals were synthesized by hydrothermal technique. Crystals obtained are in the form of single crystals of rhombohedral morphology with lattice parameters as follows: triclinic, P 1, π = 0-71069 Å, a = 6.657(3) Å, b = 6.714(6) Å, c = 6.518(4) Å, α = 112.31(6)°, β = 92.14(4)°, γ = 83.89(5)°, V = 268.0(3) Å3, Z = 2, ρcal = 2, 3.121 g/cm3, μ = 3.121 mm-1, F000 = 244, goodness-of-fit on F = 1.348, final R indices with [I > 3σ(I)]R = 0051 and ωR = 0.065.

Hydrothermal synthesis, crystal structure and characterisation of Na2ZnP2O7·HCl

Na{sub 2}ZnP{sub 2}O{sub 7}{center_dot}HCl single crystals were synthesised by hydrothermal technique and characterised by X-ray diffraction method. The compound crystallises in tetragonal system with space group P4{sub 1}2{sub 1}2 and cell parameters a=7.687(5) A, c=20.529(1) A, Z=8, having tunnel type of cavities in the structure. DTA study indicates that this compound is thermally fairly stable.

Microwave-Assisted Synthesis and Crystal Structure of 1-(4-Chlorophenyl)-4,5-diphenyl-2-(3,4,5-trimethoxy-phenyl)-1H-imidazole

The title compound, 1-(4-chlorophenyl)-4,5-diphenyl-2-(3,4,5-trimethoxy-phenyl)-1H-imidazole, was synthesized using a domestic microwave oven, and the structure of the product obtained was confirmed by X-ray diffraction (XRD) studies. The compound, C30H25ClN2O3, crystallizes in the triclinic crystal class in the space group with cell parameters a = 10.635(15) Å, b = 12.262(2) Å, c = 11.656(3) Å, α = 69.817(15)°, β = 64.630(6)°, γ = 73.503(16)°, and Z = 2. The structure has been solved by direct methods and refined to R 1 = 0.0764 for 3078 unique reflections with I > 2σ(I). The imidazole ring in the structure adopts a planar conformation. No classic hydrogen bonds were found in the structure.

Crystal Structure of 4-Octlyloxybenzoic Acid

Abstract 4-octyloxybenzoic acid, C15H22O3, crystallises in the triclinic space group P 1 with lattice parameters a = 12.207(3)Å, b = 13.424(3)Å, c = 4.8666(16)Å, α = 91.26(2)°, β = 91.46(3)°, γ = 116.756(14)°, V = 711.4(3)Å3, Z = 2, D (cal) = 1.169 Mg/m3, μ = 0.08 mm-1, F 000 = 272, GooF = 0.940, R1 = 0.0563 and wR2 = 0.1512.

Crystal Structure of Octyl Benzoic Acid

Abstract Octyl benzoic acid, CH3(CH2)7C6H4COOH(OBA), Mr = 234.34, triclinic, Pl, a = 13.6372 A b = 22.0910A, c = 7.6816 A V = 2156.69 A3, Z = 1, D m = 1.079 gm cm−3, D c = 1.083 gm cm−3, μ = 0.07 cm−1, F000 = 768, (MoKα) = 0.71069A, final R1 and wR2 are 0.0456 and 0.1265 respectively.

Synthesis and structural characterization of CsNiP crystal

CsNiP crystals were synthesized by hydrothermal technique and characterized by the X-ray diffraction method. This alkaline transition metal phosphide crystallizes in the hexagonal system with space groupP63/mmc and cell parameters,a = 7.173(2) Å,c = 5.944(9) Å,V = 264.87(7) Å3 andZ = 2. The final residual factor isR1 = 0.0362 for 206 reflections withI > 2σ(I).