#------------------------------------------------------------------------------ #$Date: 2011-09-28 15:24:46 +0100 (Wed, 28 Sep 2011) $ #$Revision: 26848 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/37/2003770.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_2003770 _journal_name_full 'Acta Crystallographica Section C' _journal_year 1995 _journal_volume 51 _journal_page_first 1707 _journal_page_last 1709 _publ_section_title ; Salicylaldehyde Semicarbazone--Acetic Acid Hydrogen-Bonded Complex ; _chemical_formula_moiety 'C8 H9 N3 O2 , C2 H4 O2' _chemical_formula_sum 'C10 H13 N3 O4' _chemical_formula_weight 239.23 _symmetry_cell_setting monoclinic _space_group_IT_number 14 _symmetry_space_group_name_Hall '-P 2yn' _symmetry_space_group_name_H-M 'P 1 21/n 1' _[local]_cod_cif_authors_sg_H-M 'P 21/n' 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' _cell_length_a 7.182(1) _cell_length_b 8.947(1) _cell_length_c 18.277(2) _cell_angle_alpha 90 _cell_angle_beta 91.89(1) _cell_angle_gamma 90 _cell_volume 1173.8(2) _cell_formula_units_Z 4 _exptl_crystal_density_diffrn 1.354 _exptl_crystal_density_meas ? _diffrn_radiation_type 'MoK\a' _diffrn_radiation_wavelength 0.71073 _cell_measurement_reflns_used 40 _cell_measurement_theta_min 10 _cell_measurement_theta_max 11 _exptl_absorpt_coefficient_mu 0.11 _cell_measurement_temperature 293 _exptl_crystal_description 'plates' _exptl_crystal_size_max 0.36 _exptl_crystal_size_mid 0.23 _exptl_crystal_size_min 0.19 _exptl_crystal_size_rad ? _exptl_crystal_colour 'colorless' _chemical_compound_source 'synthesis' _diffrn_measurement_device 'Seimens P3m/V' _diffrn_measurement_method '\w' _exptl_absorpt_correction_type 'analytical' _exptl_absorpt_correction_T_min 0.962 _exptl_absorpt_correction_T_max 0.986 _diffrn_reflns_number 3115 _reflns_number_total 2711 _reflns_number_observed 1309 _reflns_observed_criterion F>4\s(F) _diffrn_reflns_av_R_equivalents 0.012 _diffrn_reflns_theta_max 27.5 _diffrn_reflns_limit_h_min 0 _diffrn_reflns_limit_h_max 9 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_k_max 11 _diffrn_reflns_limit_l_min -23 _diffrn_reflns_limit_l_max 23 _diffrn_standards_number 4 _diffrn_standards_interval_count 100 _diffrn_standards_interval_time ? _diffrn_standards_decay_% 1 _refine_ls_structure_factor_coef F _refine_ls_R_factor_obs 0.042 _refine_ls_wR_factor_obs 0.041 _refine_ls_goodness_of_fit_obs 1.19 _refine_ls_number_reflns 1309 _refine_ls_number_parameters 198 _refine_ls_hydrogen_treatment 'refall except methyl H atom' _refine_ls_weighting_scheme '1/[\s^2^(F)+0.0004F^2^]' _refine_ls_shift/esd_max 0.001 _refine_diff_density_max 0.12 _refine_diff_density_min -0.19 _refine_ls_extinction_method ? _refine_ls_extinction_coef ? _atom_type_scat_source 'IntTabIV' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv O2 .3581(3) .4840(2) .33965(9) .0683(8) O8a -.0242(3) -.0740(2) .40836(8) .0530(6) N8b .1206(4) .0580(3) .32124(12) .0605(10) O9a .0698(3) -.2661(2) .24866(10) .0732(8) O9b -.1086(3) -.3203(2) .34046(10) .0687(8) N7 .1864(3) .2779(2) .42151(10) .0406(7) N8 .1075(3) .1430(2) .43959(11) .0487(8) C1 .2754(3) .5222(3) .46468(12) .0388(8) C2 .3502(4) .5715(3) .39979(12) .0458(9) C3 .4231(5) .7148(3) .3950(2) .0612(11) C4 .4206(4) .8087(3) .4540(2) .0640(12) C5 .3481(4) .7625(3) .5187(2) .0600(11) C6 .2776(4) .6209(3) .5239(2) .0501(10) C7 .1979(3) .3738(3) .47329(13) .0410(8) C8 .0658(3) .0377(3) .38916(12) .0433(9) C9 -.0372(4) -.3490(3) .27748(14) .0540(10) C10 -.0993(5) -.4960(3) .2465(2) .087(2) H2 .308(4) .394(4) .348(2) .105(13) H8a .096(5) -.016(4) .291(2) .108(13) H8b .199(4) .137(3) .3117(14) .068(9) H9b -.056(5) -.225(4) .362(2) .112(12) H8 .075(3) .130(3) .4845(14) .054(7) H3 .486(4) .739(3) .350(2) .086(10) H4 .473(4) .905(3) .4492(13) .066(8) H5 .354(3) .829(3) .5599(14) .064(8) H6 .235(3) .585(2) .5674(12) .047(7) H7 .153(3) .349(2) .5205(12) .046(6) H101 -.0903 -.49235 .19421 .08 H102 -.01873 -.57295 .26591 .08 H103 -.22551 -.51729 .2587 .08 H104 -.13561 -.56193 .28489 .08 H105 -.20237 -.48178 .21241 .08 H106 .00344 -.53889 .22152 .08 _cod_database_code 2003770