Crystal structure landscape of ethenzamide: a physicochemical property study
Sarmah, Kashyap Kumar; Boro, Kaveri; Arhangelskis, Mihails; Thakuria, Ranjit; CrystEngComm 19 (2017) 826–; doi:10.1039/C6CE02057G

data_7227362
_publ_section_title
;
 Crystal structure landscape of ethenzamide: a physicochemical property
 study
;
_journal_issue                   5
_journal_name_full               CrystEngComm
_journal_page_first              826
_journal_paper_doi               10.1039/C6CE02057G
_journal_volume                  19
_journal_year                    2017
_chemical_formula_moiety         'C7 H5 O4, C9 H11 N O2'
_chemical_formula_sum            'C16 H16 N O6'
_chemical_formula_weight         318.30
_chemical_name_systematic        'Ethenzamide-24Dihydroxybenzoic acid'
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2016-12-18 deposited with the CCDC.
2017-01-03 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.732(8)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.6638(17)
_cell_length_b                   6.6901(11)
_cell_length_c                   24.670(4)
_cell_measurement_reflns_used    3751
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.66
_cell_measurement_theta_min      3.01
_cell_volume                     1572.0(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXL-2016/6 (Sheldrick, 2016)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0270
_diffrn_reflns_av_unetI/netI     0.0277
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.989
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            12804
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.989
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.486
_diffrn_reflns_theta_min         1.675
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.104
_exptl_absorpt_correction_T_max  0.9917
_exptl_absorpt_correction_T_min  0.9745
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker AXS SADABS program'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.345
_exptl_crystal_description       block
_exptl_crystal_F_000             668
_exptl_crystal_size_max          0.250
_exptl_crystal_size_mid          0.160
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.190
_refine_diff_density_min         -0.202
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     243
_refine_ls_number_reflns         3224
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0729
_refine_ls_R_factor_gt           0.0449
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0995P)^2^+0.0398P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1360
_refine_ls_wR_factor_ref         0.1627
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2157
_reflns_number_total             3224
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6ce02057g2.cif
_cod_data_source_block           Ethenzamide-24Dihydroxybenzoicacid
_cod_depositor_comments
'Adding full bibliography for 7227362--7227365.cif.'
_cod_original_cell_volume        1572.0(4)
_cod_database_code               7227362
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.974
_shelx_estimated_absorpt_t_max   0.992
_exptl_absorpt_special_details   'Sheldrick,G.M.,2015,University of gottingen'
_shelx_res_checksum              77625