# Copyright The Royal Society of Chemistry, 1999 # CCDC Number: 207/323 data_benzyl #------------------------------------------------------------------------------ _audit_creation_date 'Fri Mar 20 08:43:17 1998' _audit_creation_method 'from TEXRAY.INF file' _audit_update_record ? #------------------------------------------------------------------------------ _computing_data_collection 'Rigaku/AFC Diffractometer Control' _computing_cell_refinement 'Rigaku/AFC Diffractometer Control' _computing_data_reduction 'teXsan' _computing_structure_solution ? _computing_structure_refinement 'teXsan' _computing_publication_material 'teXsan' _computing_molecular_graphics ? #------------------------------------------------------------------------------ _chemical_compound_source ? _chemical_name_common ? _chemical_formula_weight 336.43 _chemical_formula_analytical ? _chemical_formula_sum 'C22 H24 O3 ' _chemical_formula_moiety 'C22 H24 O3 ' _chemical_formula_structural ? _chemical_melting_point ? #------------------------------------------------------------------------------ _cell_length_a 5.83(4) _cell_length_b 17.42(3) _cell_length_c 18.44(3) _cell_angle_alpha 90 _cell_angle_beta 91.6(3) _cell_angle_gamma 89 _cell_volume 1872(12) _cell_formula_units_Z 4 _cell_measurement_temperature 297.2 _cell_measurement_reflns_used 25 _cell_measurement_theta_min 28.2 _cell_measurement_theta_max 39.4 #------------------------------------------------------------------------------ _symmetry_cell_setting monoclinic _symmetry_space_group_name_H-M 'P 21/n ' _symmetry_Int_Tables_number 14 _symmetry_space_group_name_Hall ? loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2-x,1/2+y,1/2-z -x,-y,-z 1/2+x,1/2-y,1/2+z _exptl_crystal_description 'prismatic' _exptl_crystal_colour 'colorless' _exptl_crystal_size_max 0.440 _exptl_crystal_size_mid 0.190 _exptl_crystal_size_min 0.060 _exptl_crystal_density_diffrn 1.194 _exptl_crystal_density_meas 'not measured' _exptl_crystal_F_000 720.00 _exptl_absorpt_coefficient_mu 0.622 _exptl_absorpt_correction_type none _exptl_special_details ; ? ; #------------------------------------------------------------------------------ _diffrn_special_details ; ? ; _diffrn_ambient_temperature 297.2 _diffrn_radiation_wavelength 1.5418 _diffrn_radiation_type 'Cu K\a' _diffrn_radiation_source 'Rigaku sealed tube' _diffrn_radiation_monochromator graphite _diffrn_radiation_detector 'scintillation counter' _diffrn_measurement_device 'Rigaku AFC7S' _diffrn_measurement_method \w-2\q _diffrn_standards_number 3 _diffrn_standards_interval_count 150 _diffrn_standards_decay_% -0.49 loop_ _diffrn_standard_refln_index_h _diffrn_standard_refln_index_k _diffrn_standard_refln_index_l -1 1 -2 -1 2 -2 -1 1 -3 _diffrn_reflns_number 3233 _reflns_number_total 2914 _reflns_number_observed 2167 _reflns_observed_criterion >3.0sigma(I) _diffrn_reflns_av_R_equivalents 0.013 _diffrn_reflns_av_sigmaI/netI 0.044 _diffrn_reflns_limit_h_min -6 _diffrn_reflns_limit_h_max 0 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_k_max 19 _diffrn_reflns_limit_l_min -20 _diffrn_reflns_limit_l_max 20 _diffrn_reflns_theta_min 2.54 _diffrn_reflns_theta_max 60.39 _diffrn_reflns_reduction_process 'Lp corrections applied' _diffrn_orient_matrix_UB_11 0.05186 _diffrn_orient_matrix_UB_12 0.00917 _diffrn_orient_matrix_UB_13 -0.05048 _diffrn_orient_matrix_UB_21 -0.02001 _diffrn_orient_matrix_UB_22 -0.05580 _diffrn_orient_matrix_UB_23 -0.01117 _diffrn_orient_matrix_UB_31 -0.16241 _diffrn_orient_matrix_UB_32 0.00980 _diffrn_orient_matrix_UB_33 -0.01639 #------------------------------------------------------------------------------ loop_ _atom_type_symbol _atom_type_oxidation_number _atom_type_number_in_cell _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C 0 88 0.018 0.009 ;International Tables for Crystallography (1992, Vol. C, Tables 4.2.6.8 and 6.1.1.1) ; H 0 96 0.000 0.000 ;International Tables for Crystallography (1992, Vol. C, Table 6.1.1.2) ; O 0 12 0.049 0.032 ;International Tables for Crystallography (1992, Vol. C, Tables 4.2.6.8 and 6.1.1.1) ; #------------------------------------------------------------------------------ loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_calc_flag _atom_site_calc_attached_atom _atom_site_occupancy _atom_site_refinement_flags O(1) 0.4018(3) 0.1138(1) 0.58553(9) 0.0651(5) Uani d . 1.00 . O(2) 0.1267(3) 0.20420(9) 0.58604(8) 0.0561(5) Uani d . 1.00 . O(3) 0.5111(4) 0.2789(1) 0.53790(10) 0.0792(7) Uani d . 1.00 . C(1) -0.2350(7) 0.0247(2) 0.3028(2) 0.082(1) Uani d . 1.00 . C(2) -0.1071(5) 0.0576(1) 0.3672(1) 0.0590(7) Uani d . 1.00 . C(3) 0.1042(5) 0.0299(2) 0.3895(1) 0.0628(8) Uani d . 1.00 . C(4) 0.2153(4) 0.0579(1) 0.4502(1) 0.0567(7) Uani d . 1.00 . C(5) 0.1181(4) 0.1167(1) 0.4900(1) 0.0462(6) Uani d . 1.00 . C(6) -0.0930(4) 0.1458(2) 0.4678(1) 0.0569(7) Uani d . 1.00 . C(7) -0.2030(5) 0.1163(2) 0.4071(1) 0.0627(8) Uani d . 1.00 . C(8) 0.2368(4) 0.1422(1) 0.5571(1) 0.0482(6) Uani d . 1.00 . C(9) 0.2050(4) 0.2330(1) 0.6522(1) 0.0487(6) Uani d . 1.00 . C(10) 0.0659(4) 0.2079(1) 0.7132(1) 0.0492(6) Uani d . 1.00 . C(11) 0.1334(5) 0.2226(2) 0.7846(1) 0.0605(7) Uani d . 1.00 . C(12) -0.0024(5) 0.2018(2) 0.8410(1) 0.0646(8) Uani d . 1.00 . C(13) -0.2114(4) 0.1648(1) 0.8284(1) 0.0599(7) Uani d . 1.00 . C(14) -0.2759(4) 0.1495(1) 0.7580(1) 0.0614(8) Uani d . 1.00 . C(15) -0.1410(4) 0.1706(1) 0.7005(1) 0.0560(7) Uani d . 1.00 . C(16) -0.3590(6) 0.1440(2) 0.8910(2) 0.080(1) Uani d . 1.00 . C(17) 0.3740(4) 0.2847(1) 0.6559(1) 0.0560(7) Uani d . 1.00 . C(18) 0.5087(4) 0.3130(1) 0.5950(1) 0.0557(7) Uani d . 1.00 . C(19) 0.6310(4) 0.3901(1) 0.6050(1) 0.0561(7) Uani d . 1.00 . C(20) 0.8008(5) 0.4000(2) 0.5439(2) 0.0778(10) Uani d . 1.00 . C(21) 0.7591(5) 0.3973(2) 0.6770(2) 0.0719(9) Uani d . 1.00 . C(22) 0.4457(5) 0.4523(2) 0.5990(2) 0.0640(8) Uani d . 1.00 . H(1) -0.274(6) 0.058(2) 0.271(2) 0.0879 Uiso calc . 1.00 . H(2) -0.362(6) -0.006(2) 0.317(2) 0.0879 Uiso calc . 1.00 . H(3) -0.127(5) -0.012(2) 0.271(2) 0.0879 Uiso calc . 1.00 . H(4) 0.173(5) -0.007(2) 0.361(2) 0.0879 Uiso calc . 1.00 . H(5) 0.353(6) 0.038(2) 0.468(2) 0.0879 Uiso calc . 1.00 . H(6) -0.168(5) 0.185(2) 0.498(2) 0.0879 Uiso calc . 1.00 . H(7) -0.353(5) 0.136(2) 0.389(2) 0.0879 Uiso calc . 1.00 . H(8) 0.270(5) 0.247(2) 0.797(2) 0.0879 Uiso calc . 1.00 . H(9) 0.047(5) 0.210(2) 0.890(2) 0.0879 Uiso calc . 1.00 . H(10) -0.424(6) 0.124(2) 0.747(2) 0.0879 Uiso calc . 1.00 . H(11) -0.191(5) 0.156(2) 0.653(2) 0.0879 Uiso calc . 1.00 . H(12) -0.442(6) 0.187(2) 0.907(2) 0.0879 Uiso calc . 1.00 . H(13) -0.277(5) 0.120(2) 0.930(2) 0.0879 Uiso calc . 1.00 . H(14) -0.471(5) 0.109(2) 0.872(2) 0.0879 Uiso calc . 1.00 . H(15) 0.425(5) 0.312(2) 0.707(2) 0.0879 Uiso calc . 1.00 . H(16) 0.708(5) 0.396(2) 0.496(2) 0.0879 Uiso calc . 1.00 . H(17) 0.909(6) 0.358(2) 0.543(2) 0.0879 Uiso calc . 1.00 . H(18) 0.881(5) 0.454(2) 0.549(2) 0.0879 Uiso calc . 1.00 . H(19) 0.870(5) 0.346(2) 0.685(2) 0.0879 Uiso calc . 1.00 . H(20) 0.836(5) 0.449(2) 0.680(2) 0.0879 Uiso calc . 1.00 . H(21) 0.645(5) 0.393(2) 0.720(2) 0.0879 Uiso calc . 1.00 . H(22) 0.509(5) 0.504(2) 0.606(2) 0.0879 Uiso calc . 1.00 . H(23) 0.323(5) 0.445(2) 0.638(2) 0.0879 Uiso calc . 1.00 . H(24) 0.375(5) 0.451(2) 0.549(2) 0.0879 Uiso calc . 1.00 . loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 O(1) 0.060(1) 0.066(1) 0.068(1) 0.0113(8) -0.0168(9) -0.0059(8) O(2) 0.0507(9) 0.069(1) 0.0479(9) 0.0095(7) -0.0031(7) -0.0090(7) O(3) 0.107(2) 0.075(1) 0.056(1) -0.012(1) 0.0225(10) -0.0088(9) C(1) 0.098(2) 0.095(2) 0.052(2) -0.029(2) -0.015(2) 0.005(1) C(2) 0.068(2) 0.064(1) 0.045(1) -0.016(1) 0.000(1) 0.007(1) C(3) 0.069(2) 0.063(2) 0.056(1) -0.002(1) 0.006(1) -0.008(1) C(4) 0.054(1) 0.061(1) 0.056(1) 0.003(1) 0.001(1) -0.004(1) C(5) 0.046(1) 0.049(1) 0.044(1) -0.0026(9) 0.0043(9) 0.0035(9) C(6) 0.056(1) 0.065(1) 0.050(1) 0.004(1) 0.000(1) 0.001(1) C(7) 0.056(1) 0.075(2) 0.057(1) 0.001(1) -0.007(1) 0.009(1) C(8) 0.047(1) 0.052(1) 0.046(1) -0.003(1) 0.0042(10) 0.0039(10) C(9) 0.049(1) 0.055(1) 0.042(1) 0.004(1) -0.0009(9) -0.0044(9) C(10) 0.049(1) 0.050(1) 0.049(1) 0.0024(10) 0.0017(10) -0.0014(9) C(11) 0.056(1) 0.073(2) 0.052(1) -0.010(1) -0.001(1) -0.002(1) C(12) 0.065(2) 0.081(2) 0.048(1) -0.004(1) 0.002(1) 0.002(1) C(13) 0.056(1) 0.060(1) 0.064(2) 0.009(1) 0.011(1) 0.007(1) C(14) 0.049(1) 0.062(2) 0.074(2) -0.003(1) 0.006(1) -0.003(1) C(15) 0.054(1) 0.057(1) 0.057(1) 0.000(1) -0.001(1) -0.008(1) C(16) 0.075(2) 0.093(2) 0.074(2) 0.003(2) 0.020(2) 0.017(2) C(17) 0.059(1) 0.059(1) 0.051(1) 0.000(1) 0.006(1) -0.002(1) C(18) 0.058(1) 0.063(1) 0.046(1) 0.005(1) 0.004(1) 0.000(1) C(19) 0.047(1) 0.062(1) 0.060(1) 0.000(1) 0.007(1) 0.004(1) C(20) 0.065(2) 0.092(2) 0.077(2) -0.008(2) 0.022(2) 0.002(2) C(21) 0.063(2) 0.077(2) 0.075(2) 0.000(1) -0.005(1) 0.000(1) C(22) 0.060(2) 0.062(2) 0.070(2) 0.007(1) 0.001(1) 0.008(1) #------------------------------------------------------------------------------ _refine_special_details ; ? ; _refine_ls_structure_factor_coef F _refine_ls_matrix_type full _refine_ls_weighting_scheme 'w = 1/[\s^2^(Fo) + 0.00176|Fo|^2^]' _refine_ls_hydrogen_treatment refxyz _refine_ls_extinction_method 'Zachariasen(1967) type 2 Gaussian isotropic' _refine_ls_extinction_coef 0.01(1) _refine_ls_abs_structure_details ? _refine_ls_abs_structure_Flack ? _refine_ls_number_reflns 2167 _refine_ls_number_parameters 299 _refine_ls_number_restraints 0 _refine_ls_number_constraints 0 _refine_ls_R_factor_all ? _refine_ls_R_factor_obs 0.0456 _refine_ls_wR_factor_all ? _refine_ls_wR_factor_obs 0.0758 _refine_ls_goodness_of_fit_all ? _refine_ls_goodness_of_fit_obs 1.478 _refine_ls_shift/esd_max 0.0060 _refine_ls_shift/esd_mean 0.0000 _refine_diff_density_min -0.14 _refine_diff_density_max 0.14 #------------------------------------------------------------------------------ _geom_special_details ; ? ; loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_1 _geom_bond_site_symmetry_2 _geom_bond_publ_flag O(1) C(8) 1.190(6) 1_555 1_555 yes O(2) C(8) 1.371(3) 1_555 1_555 yes O(2) C(9) 1.385(3) 1_555 1_555 yes O(3) C(18) 1.210(3) 1_555 1_555 yes C(1) C(2) 1.498(4) 1_555 1_555 yes C(2) C(3) 1.375(8) 1_555 1_555 yes C(2) C(7) 1.387(4) 1_555 1_555 yes C(3) C(4) 1.368(4) 1_555 1_555 yes C(4) C(5) 1.391(4) 1_555 1_555 yes C(5) C(6) 1.382(8) 1_555 1_555 yes C(5) C(8) 1.469(4) 1_555 1_555 yes C(6) C(7) 1.375(4) 1_555 1_555 yes C(9) C(10) 1.471(4) 1_555 1_555 yes C(9) C(17) 1.335(6) 1_555 1_555 yes C(10) C(11) 1.388(3) 1_555 1_555 yes C(10) C(15) 1.384(8) 1_555 1_555 yes C(11) C(12) 1.374(5) 1_555 1_555 yes C(12) C(13) 1.391(8) 1_555 1_555 yes C(13) C(14) 1.367(4) 1_555 1_555 yes C(13) C(16) 1.504(5) 1_555 1_555 yes C(14) C(15) 1.388(5) 1_555 1_555 yes C(17) C(18) 1.473(4) 1_555 1_555 yes C(18) C(19) 1.528(4) 1_555 1_555 yes C(19) C(20) 1.532(6) 1_555 1_555 yes C(19) C(21) 1.509(4) 1_555 1_555 yes C(19) C(22) 1.533(6) 1_555 1_555 yes #------------------------------------------------------------------------------ loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_2 _geom_angle_site_symmetry_3 _geom_angle_publ_flag C(8) O(2) C(9) 118.8(3) 1_555 1_555 1_555 yes C(2) C(1) H(1) 113(2) 1_555 1_555 1_555 no C(2) C(1) H(2) 111(1) 1_555 1_555 1_555 no C(2) C(1) H(3) 111(1) 1_555 1_555 1_555 no H(1) C(1) H(2) 111(2) 1_555 1_555 1_555 no H(1) C(1) H(3) 100(2) 1_555 1_555 1_555 no H(2) C(1) H(3) 106(2) 1_555 1_555 1_555 no C(1) C(2) C(3) 121.6(3) 1_555 1_555 1_555 yes C(1) C(2) C(7) 120.3(4) 1_555 1_555 1_555 yes C(3) C(2) C(7) 118.1(3) 1_555 1_555 1_555 yes C(2) C(3) C(4) 121.2(3) 1_555 1_555 1_555 yes C(2) C(3) H(4) 118(1) 1_555 1_555 1_555 no C(4) C(3) H(4) 120(1) 1_555 1_555 1_555 no C(3) C(4) C(5) 120.3(3) 1_555 1_555 1_555 yes C(3) C(4) H(5) 122(1) 1_555 1_555 1_555 no C(5) C(4) H(5) 117(1) 1_555 1_555 1_555 no C(4) C(5) C(6) 119.1(2) 1_555 1_555 1_555 yes C(4) C(5) C(8) 118.6(3) 1_555 1_555 1_555 yes C(6) C(5) C(8) 122.1(2) 1_555 1_555 1_555 yes C(5) C(6) C(7) 119.6(3) 1_555 1_555 1_555 yes C(5) C(6) H(6) 119(1) 1_555 1_555 1_555 no C(7) C(6) H(6) 120(1) 1_555 1_555 1_555 no C(2) C(7) C(6) 121.5(3) 1_555 1_555 1_555 yes C(2) C(7) H(7) 115(1) 1_555 1_555 1_555 no C(6) C(7) H(7) 122(1) 1_555 1_555 1_555 no O(1) C(8) O(2) 122.5(2) 1_555 1_555 1_555 yes O(1) C(8) C(5) 126.9(2) 1_555 1_555 1_555 yes O(2) C(8) C(5) 110.6(3) 1_555 1_555 1_555 yes O(2) C(9) C(10) 113.0(3) 1_555 1_555 1_555 yes O(2) C(9) C(17) 120.8(2) 1_555 1_555 1_555 yes C(10) C(9) C(17) 125.8(3) 1_555 1_555 1_555 yes C(9) C(10) C(11) 121.5(3) 1_555 1_555 1_555 yes C(9) C(10) C(15) 120.5(3) 1_555 1_555 1_555 yes C(11) C(10) C(15) 117.9(2) 1_555 1_555 1_555 yes C(10) C(11) C(12) 121.1(3) 1_555 1_555 1_555 yes C(10) C(11) H(8) 122(1) 1_555 1_555 1_555 no C(12) C(11) H(8) 116(1) 1_555 1_555 1_555 no C(11) C(12) C(13) 121.1(3) 1_555 1_555 1_555 yes C(11) C(12) H(9) 120(1) 1_555 1_555 1_555 no C(13) C(12) H(9) 117(1) 1_555 1_555 1_555 no C(12) C(13) C(14) 117.7(2) 1_555 1_555 1_555 yes C(12) C(13) C(16) 120.0(3) 1_555 1_555 1_555 yes C(14) C(13) C(16) 122.3(3) 1_555 1_555 1_555 yes C(13) C(14) C(15) 121.9(3) 1_555 1_555 1_555 yes C(13) C(14) H(10) 119(1) 1_555 1_555 1_555 no C(15) C(14) H(10) 118(1) 1_555 1_555 1_555 no C(10) C(15) C(14) 120.4(3) 1_555 1_555 1_555 yes C(10) C(15) H(11) 121(1) 1_555 1_555 1_555 no C(14) C(15) H(11) 117(1) 1_555 1_555 1_555 no C(13) C(16) H(12) 110(1) 1_555 1_555 1_555 no C(13) C(16) H(13) 113(1) 1_555 1_555 1_555 no C(13) C(16) H(14) 105(1) 1_555 1_555 1_555 no H(12) C(16) H(13) 111(2) 1_555 1_555 1_555 no H(12) C(16) H(14) 106(2) 1_555 1_555 1_555 no H(13) C(16) H(14) 108(2) 1_555 1_555 1_555 no C(9) C(17) C(18) 126.6(3) 1_555 1_555 1_555 yes C(9) C(17) H(15) 120(1) 1_555 1_555 1_555 no C(18) C(17) H(15) 112(1) 1_555 1_555 1_555 no O(3) C(18) C(17) 121.2(2) 1_555 1_555 1_555 yes O(3) C(18) C(19) 121.4(2) 1_555 1_555 1_555 yes C(17) C(18) C(19) 117.3(2) 1_555 1_555 1_555 yes C(18) C(19) C(20) 108.6(3) 1_555 1_555 1_555 yes C(18) C(19) C(21) 113.4(2) 1_555 1_555 1_555 yes C(18) C(19) C(22) 106.7(4) 1_555 1_555 1_555 yes C(20) C(19) C(21) 108.9(4) 1_555 1_555 1_555 yes C(20) C(19) C(22) 109.6(3) 1_555 1_555 1_555 yes C(21) C(19) C(22) 109.5(3) 1_555 1_555 1_555 yes C(19) C(20) H(16) 106(1) 1_555 1_555 1_555 no C(19) C(20) H(17) 111(1) 1_555 1_555 1_555 no C(19) C(20) H(18) 109(1) 1_555 1_555 1_555 no H(16) C(20) H(17) 105(2) 1_555 1_555 1_555 no H(16) C(20) H(18) 111(2) 1_555 1_555 1_555 no H(17) C(20) H(18) 112(2) 1_555 1_555 1_555 no C(19) C(21) H(19) 108(1) 1_555 1_555 1_555 no C(19) C(21) H(20) 109(1) 1_555 1_555 1_555 no C(19) C(21) H(21) 110(1) 1_555 1_555 1_555 no H(19) C(21) H(20) 116(2) 1_555 1_555 1_555 no H(19) C(21) H(21) 103(2) 1_555 1_555 1_555 no H(20) C(21) H(21) 108(2) 1_555 1_555 1_555 no C(19) C(22) H(22) 112(1) 1_555 1_555 1_555 no C(19) C(22) H(23) 111(1) 1_555 1_555 1_555 no C(19) C(22) H(24) 109(1) 1_555 1_555 1_555 no H(22) C(22) H(23) 106(2) 1_555 1_555 1_555 no H(22) C(22) H(24) 106(2) 1_555 1_555 1_555 no H(23) C(22) H(24) 111(2) 1_555 1_555 1_555 no #------------------------------------------------------------------------------ loop_ _geom_contact_atom_site_label_1 _geom_contact_atom_site_label_2 _geom_contact_distance _geom_contact_site_symmetry_1 _geom_contact_site_symmetry_2 _geom_contact_publ_flag O(1) C(1) 3.336(5) 1_555 3_556 ? O(1) C(15) 3.50(1) 1_555 1_655 ? O(1) C(2) 3.566(6) 1_555 3_556 ? O(3) C(6) 3.54(1) 1_555 1_655 ? C(15) C(17) 3.53(2) 1_555 1_455 ? C(16) C(20) 3.576(9) 1_555 4_355 ? #------------------------------------------------------------------------------ _publ_requested_journal ' ENTER JOURNAL NAME HERE' _publ_contact_author ; ENTER NAME ENTER ADDRESS ; _publ_contact_letter ; ENTER TEXT OF LETTER ; _publ_requested_coeditor_name ? _publ_contact_author_phone ' ENTER PHONE NUMBER ' _publ_contact_author_fax ' ENTER FAX NUMBER ' _publ_contact_author_email ' ENTER EMAIL ADDRESS ' loop_ _publ_author_name _publ_author_address ' FIRST AUTHORS NAME ' ; FIRST AUTHORS ADDRESS ; _publ_section_title ; ENTER SECTION TITLE ; _publ_section_abstract ; ENTER ABSTRACT ; _publ_section_experimental ; ENTER EXPERIMENTAL SECTION ; _publ_section_comment ; ENTER TEXT ; _publ_section_references ; ENTER OTHER REFERENCES Molecular Structure Corporation. (1995). teXsan. Single Crystal Structure Analysis Software. Version 1.7. MSC, 3200 Research Forest Drive, The Woodlands, TX 77381, USA. Zachariasen, W. H. (1967). Acta Cryst. 23, 558-564. ; _publ_section_acknowledgements ; ENTER ACKNOWLEDGEMENTS ; _publ_section_table_legends ; ENTER TABLE LEGENDS ; _publ_section_figure_captions ; ENTER FIGURE CAPTIONS ;