Improved solid-state stability of salts by cocrystallization between conjugate acid‒base pairs
Perumalla, Sathyanarayana Reddy; Sun, Changquan Calvin; CrystEngComm 15 (2013) 5756–; doi:10.1039/c3ce40593a

data_7209999
_publ_section_title
;
 Improved solid-state stability of salts by cocrystallization between
 conjugate acid--base pairs
;
_journal_issue                   29
_journal_name_full               CrystEngComm
_journal_page_first              5756
_journal_paper_doi               10.1039/c3ce40593a
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C14 H15 N O4'
_chemical_formula_weight         261.27
_chemical_name_common            'Ammonium hydrogen bis(benzoate)'
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 94.455(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   29.234(10)
_cell_length_b                   3.8543(13)
_cell_length_c                   11.408(4)
_cell_measurement_temperature    173(2)
_cell_volume                     1281.5(8)
_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-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Apex II platform CCD'
_diffrn_measurement_method       'Omega and Phi scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.2046
_diffrn_reflns_av_sigmaI/netI    0.1047
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -34
_diffrn_reflns_limit_k_max       4
_diffrn_reflns_limit_k_min       -4
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5543
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         1.40
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_T_max  0.9842
_exptl_absorpt_correction_T_min  0.9755
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (G. Sheldrick, 2003)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.354
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plates
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.188
_refine_diff_density_min         -0.194
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     116
_refine_ls_number_reflns         1143
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.0928
_refine_ls_R_factor_gt           0.0616
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0255P)^2^+0.9545P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1381
_refine_ls_wR_factor_ref         0.1545
_reflns_number_gt                841
_reflns_number_total             1143
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce40593a.txt
_cod_data_source_block           4
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-Scan'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7209999