An unexpected symmetrical organic compound has been synthesized with higher yield under mild reaction conditions. The crystal structure of the title compound has been determined by single-crystal X-ray diffraction. It crystallizes in the trigonal space group P3(2)2(1) with a = 8.679 (9) angstrom, b = 8.679 (9) angstrom, c = 17.714 (17) angstrom, beta = 90 degrees X, Z = 6.