data_2000703 _journal_name_full 'Acta Cryst.' _journal_year 1992 _journal_volume C48 _journal_page_first 1501 _journal_page_last 1502 loop_ _publ_author_name 'Choubal, M.D.' 'Fernandez, E.J.' 'Crumrine, D.S.' 'Pavkovic, S.F.' _chemical_formula_sum 'C16 H24 O4' _chemical_formula_weight 280.36 _symmetry_cell_setting triclinic _symmetry_space_group_name_H-M 'P -1' _symmetry_space_group_name_Hall ? _cell_length_a 6.5675(8) _cell_length_b 11.9949(14) _cell_length_c 5.1052(6) _cell_angle_alpha 93.418(4) _cell_angle_beta 100.420(4) _cell_angle_gamma 74.612(6) _cell_volume 381.3(2) _cell_formula_units_Z 1 _exptl_crystal_density_diffrn 1.22 _exptl_crystal_density_meas 1.21(2) _exptl_crystal_F_000 152 _exptl_absorpt_coefficient_mu 0.081 _diffrn_radiation_type Mo _diffrn_radiation_wavelength 0.71069 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv O1 .1105(3) -.33810(10) -.2905(3) .080(2) O2 -.1613(2) -.33520(10) -.0834(3) .064(2) C1 .0450(3) -.2038(2) .0742(4) .047(2) C2 -.1620(3) -.1082(2) .0905(4) .050(2) C3 -.2509(3) -.0447(2) -.1655(5) .048(2) C4 -.2759(3) .0661(2) -.2072(5) .049(2) C5 -.2245(3) .1558(2) -.0112(4) .048(2) C6 .0060(3) -.2987(2) -.1219(4) .050(2) C7 -.2207(4) -.4242(2) -.2601(5) .067(3) C8 -.3672(5) -.3735(3) -.5062(6) .072(3)