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A single crystal of urea oxalic acid was grown by slow evaporation method. The lattice parameters are a=5.13Å, b=12.48Å, c=7.07Å, β=98.13° with V=448.5Å3 which belongs to monoclinic system with space group P21/c obtained from single crystal X-ray diffraction analysis. UV–visible spectrum was recorded from the wavelength region of 200–800nm and its cutoff wavelength was found to be 270nm. Optical energy...
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