T. Manisekaran et al., CRYSTAL-STRUCTURE OF 1,4-BIS(1-NAPHTHYL)-BUTA-1,3-DIYNE, Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals, 268, 1995, pp. 55-59
1, 4-bis(1-naphthyl)-buta-1, 3-diyne, C24H14, M(r) = 302.38, monoclini
c, P2(1)/a, a = 7.534(1), b = 6.012(1), c = 17.969(3)A, beta = 101.1(1
)degrees, V = 798.67 Angstrom(3), D-x = 1.257 g/cc, F(000) = 316, lamb
da(Mok)alpha = 0.71073 Angstrom, T = 300 K, final R and wR are 0.0389
and 0.0457 respectively using 1281 reflections taken in least squares
calculations.