#------------------------------------------------------------------------------ #$Date: 2024-01-06 09:56:38 +0200 (Sat, 06 Jan 2024) $ #$Revision: 288786 $ #$URL: file:///home/coder/svn-repositories/cod/cif/7/24/76/7247600.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_7247600 loop_ _publ_author_name 'Akram, Sehrish' 'Mehmood, Arshad' 'Noureen, Sajida' 'Ahmed, Maqsood' _publ_section_title ; In the pursuit of a ‘disappearing’ anhydrous phase of the antipyrine--dipicolinic acid (ANT--DPA) co-crystal: explained through relative stability and charge density analyses ; _journal_issue 46 _journal_name_full CrystEngComm _journal_page_first 6478 _journal_page_last 6488 _journal_paper_doi 10.1039/D3CE00591G _journal_volume 25 _journal_year 2023 _chemical_formula_moiety 'C18 H19 N3 O6' _chemical_formula_sum 'C18 H19 N3 O6' _chemical_formula_weight 373.344 _space_group_crystal_system monoclinic _space_group_IT_number 15 _space_group_name_Hall '-C 2yc' _space_group_name_H-M_alt 'C 1 2/c 1' _symmetry_space_group_name_Hall '-C 2yc' _symmetry_space_group_name_H-M 'C 1 2/c 1' _atom_sites_solution_hydrogens difmap _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_block_doi 10.5517/ccdc.csd.cc2f6m3d _audit_creation_method 'MoPro v21.01 ' _audit_update_record ; 2023-08-13 deposited with the CCDC. 2023-10-31 downloaded from the CCDC. ; _cell_angle_alpha 90. _cell_angle_beta 91.284(4) _cell_angle_gamma 90. _cell_formula_units_Z 8 _cell_length_a 18.40870(10) _cell_length_b 8.0394(7) _cell_length_c 23.690(2) _cell_measurement_reflns_used 1200 _cell_measurement_temperature 100(2) _cell_measurement_theta_max 29.26 _cell_measurement_theta_min 2.77 _cell_volume 3505.1(4) _computing_structure_refinement 'MoPro (J. Appl. Cryst. 2005, 38, 38-54)' _diffrn_ambient_environment N~2~ _diffrn_ambient_temperature 100(2) _diffrn_detector CPAD _diffrn_detector_area_resol_mean 7.41 _diffrn_detector_type 'Bruker PHOTON II' _diffrn_measured_fraction_theta_full 1.045 _diffrn_measured_fraction_theta_max 1.045 _diffrn_measurement_device 'Four-circle diffractometer' _diffrn_measurement_device_type 'Bruker D8 VENTURE dual wavelength Mo/Cu' _diffrn_measurement_method '\w and \f scans' _diffrn_measurement_specimen_support 'MiTeGen micromount' _diffrn_radiation_monochromator 'mirror optics' _diffrn_radiation_probe x-ray _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0681 _diffrn_reflns_av_sigmaI/netI 0.04540 _diffrn_reflns_limit_h_max 27 _diffrn_reflns_limit_h_min -27 _diffrn_reflns_limit_k_max 11 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 34 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_number 6175 _diffrn_reflns_theta_full 31.64 _diffrn_reflns_theta_max 31.64 _diffrn_reflns_theta_min 2.21 _diffrn_source 'microfocus sealed X-ray tube' _diffrn_source_type 'Incoatec I\ms' _diffrn_standards_number 50750 _exptl_absorpt_coefficient_mu 0.108 _exptl_absorpt_correction_T_max 0.7462 _exptl_absorpt_correction_T_min 0.6074 _exptl_absorpt_correction_type none _exptl_absorpt_process_details ; SADABS-2016/2 (Bruker,2016/2) was used for absorption correction. wR2(int) was 0.1308 before and 0.0882 after correction. The Ratio of minimum to maximum transmission is 0.8140. The \l/2 correction factor is Not present. ; _exptl_crystal_colour Colorless _exptl_crystal_density_diffrn 1.415 _exptl_crystal_density_method 'not measured' _exptl_crystal_description Block _exptl_crystal_F_000 1568 _exptl_crystal_size_max 0.28 _exptl_crystal_size_mid 0.178 _exptl_crystal_size_min 0.12 _refine_diff_density_max 0.42 _refine_diff_density_min -0.32 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 0.646 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 244 _refine_ls_number_reflns 6157 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 0.000 _refine_ls_R_factor_all 0.0798 _refine_ls_R_factor_gt 0.0569 _refine_ls_shift/su_max 0.001 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w =1/[9.5945*\s^2^(Fo^2^)]' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0896 _refine_ls_wR_factor_ref 0.0918 _reflns_number_gt 4980 _reflns_number_total 6154 _reflns_threshold_expression 'I > 2 \s(I)' _iucr_refine_instructions_details ; ! RF factor = 7.976 % RI factor = 7.382% ! wR2F factor = 5.205 % wR2I factor = 9.152% ! g.o.f.(F**2) = 0.692 Nvar= 244 Nref= 6157 Nfree= 0 0.05