#------------------------------------------------------------------------------ #$Date: 2008-01-26 13:05:32 +0000 (Sat, 26 Jan 2008) $ #$Revision: 19 $ #$URL: svn://www.crystallography.net/cod/cif/2/2003334.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_2003334 _journal_name_full 'Acta Crystallographica' _journal_year 1995 _journal_volume C51 _journal_page_first 644 _journal_page_last 646 _publ_section_title ; Absolute configuration of (S,S)-1,2-Dihydro-1,2-trans-acenaphthylenedicarboxylic Acid ; _chemical_formula_sum 'C14 H10 O4' _chemical_formula_weight 242.23 loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '-x,-y,z' '1/2-x,1/2+y,-z' '1/2+x,1/2-y,-z' _symmetry_space_group_name_H-M 'P 21 21 2' _cell_length_a 9.987(4) _cell_length_b 12.937(4) _cell_length_c 8.921(2) _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 1152.7(6) _cell_formula_units_Z 4 _exptl_crystal_density_diffrn 1.396 _exptl_crystal_density_meas ? _diffrn_radiation_type 'MoK\a' _diffrn_radiation_wavelength 0.71069 _cell_measurement_reflns_used 25 _cell_measurement_theta_min 10 _cell_measurement_theta_max 15 _exptl_absorpt_coefficient_mu 0.103 _cell_measurement_temperature 295 _exptl_crystal_description 'prismatic' _exptl_crystal_size_max 0.40 _exptl_crystal_size_mid 0.32 _exptl_crystal_size_min 0.30 _exptl_crystal_size_rad ? _exptl_crystal_colour 'colourless' _chemical_compound_source 'benzene-acetic acid (9:1)' _diffrn_measurement_device 'Rigaku AFC-6S' _diffrn_measurement_method '\w-2\q' _exptl_absorpt_correction_type 'empirical, three \y scans' _exptl_absorpt_correction_T_min 0.9159 _exptl_absorpt_correction_T_max 0.9989 _diffrn_reflns_number 2292 _reflns_number_total 2187 _reflns_number_observed 1616 _reflns_observed_criterion I>3.0\s(I) _diffrn_reflns_av_R_equivalents 0.039 _diffrn_reflns_theta_max 25 _diffrn_reflns_limit_h_min -11 _diffrn_reflns_limit_h_max 11 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_k_max 15 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_limit_l_max 10 _diffrn_standards_number 3 _diffrn_standards_interval_count ? _diffrn_standards_interval_time 120 _diffrn_standards_decay_% none _refine_ls_structure_factor_coef F _refine_ls_R_factor_obs 0.0414 _refine_ls_wR_factor_obs 0.0457 _refine_ls_goodness_of_fit_obs 1.97 _refine_ls_number_reflns 1616 _refine_ls_number_parameters 194 _refine_ls_hydrogen_treatment 'refxyz ' _refine_ls_weighting_scheme '1/\s^2^(F~o~)' _refine_ls_shift/esd_max 0.15 _refine_diff_density_max 0.01 _refine_diff_density_min -0.30 _refine_ls_extinction_method 'none' _refine_ls_extinction_coef ? _atom_type_scat_source 'Cromer & Mann (1968) and Stewart, Davidson & Simpson loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv O(1) .8934(3) -.1033(2) .8456(4) .095(2) O(2) .6875(2) -.0908(2) .9294(3) .061(1) O(3) .5768(3) .2391(2) .9748(4) .090(2) O(4) .7885(2) .2363(2) .9124(3) .069(2) C(1) .7609(3) .0261(2) .5986(3) .042(2) C(2) .8369(4) -.0315(3) .5016(4) .060(2) C(3) .8043(5) -.0223(4) .3468(5) .081(3) C(4) .7083(5) .0390(4) .2922(5) .078(3) C(5) .6269(4) .0977(3) .3920(4) .062(2) C(6) .5203(5) .1622(4) .3544(6) .080(3) C(7) .4531(5) .2140(4) .4643(7) .081(3) C(8) .4842(4) .2045(3) .6194(4) .059(2) C(9) .5879(3) .1402(2) .6563(4) .046(2) C(10) .6584(3) .0877(2) .5449(4) .044(2) C(11) .7710(3) .0424(2) .7686(3) .040(2) C(12) .6461(3) .1082(2) .8074(4) .038(2) C(13) .7820(3) -.0567(2) .8554(4) .043(2) C(14) .6719(3) .2002(2) .9075(4) .041(2) H(2) .913(4) -.078(3) .536(4) .074(3) H(3) .866(4) -.056(3) .296(4) .074(3) H(4) .683(4) .044(3) .180(4) .074(3) H(6) .482(4) .172(3) .236(4) .074(3) H(7) .392(4) .248(3) .442(5) .074(3) H(8) .426(4) .239(3) .693(4) .074(3) H(11) .862(3) .076(3) .796(4) .074(3) H(12) .581(4) .068(3) .853(4) .074(3) H(O1) .885(3) -.180(3) .905(4) .074(3) H(O4) .793(3) .303(3) .970(4) .074(3)