Co-crystals and Salts of Vanillic Acid and Vanillin with Amines
Amombo Noa, Francoise M.; Mehlana, Gift; CrystEngComm 20 (2018) 896–905; doi:10.1039/c7ce02022h

data_7229908
_publ_section_title
;
 Co-crystals and Salts of Vanillic Acid and Vanillin with Amines
;
_journal_coden_ASTM              CRECF4
_journal_issue                   7
_journal_name_full               CrystEngComm
_journal_page_first              896
_journal_page_last               905
_journal_paper_doi               10.1039/c7ce02022h
_journal_volume                  20
_journal_year                    2018
_chemical_formula_sum            'C20 H20 N4 O6'
_chemical_formula_weight         412.40
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2017/1
_audit_update_record
;
2017-09-11 deposited with the CCDC.
2018-01-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 113.193(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.046(2)
_cell_length_b                   7.1278(8)
_cell_length_c                   15.6486(18)
_cell_measurement_reflns_used    23004
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.350
_cell_measurement_theta_min      2.327
_cell_volume                     1952.7(4)
_computing_cell_refinement       'SAINT-Plus (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINT-Plus and XPREP (Bruker 2004)'
_computing_molecular_graphics    'X-seed (Barbour, 1999)'
_computing_publication_material  'SHELXS-2017 (Sheldrick, 2017)'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXS-2017 (Sheldrick, 2017)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Kappa Duo Apex II diffractometer'
_diffrn_measurement_method       '1.2\% \f scans and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0509
_diffrn_reflns_av_unetI/netI     0.0418
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            23004
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.350
_diffrn_reflns_theta_min         2.327
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.106
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            'light brown'
_exptl_crystal_density_diffrn    1.403
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rectangular
_exptl_crystal_F_000             864
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_exptl_transmission_factor_max   0.985
_exptl_transmission_factor_min   0.977
_refine_diff_density_max         0.243
_refine_diff_density_min         -0.224
_refine_diff_density_rms         0.046
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     296
_refine_ls_number_reflns         4885
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.0705
_refine_ls_R_factor_gt           0.0446
_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^)+(0.0521P)^2^+0.2421P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1035
_refine_ls_wR_factor_ref         0.1168
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3424
_reflns_number_total             4885
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ce02022h2.cif
_cod_data_source_block           vainm2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

 Updated bibliographic information.

 Antanas Vaitkus,
 2019-09-19
;
_cod_database_code               7229908
_shelx_shelxl_version_number     2017/1
_exptl_absorpt_special_details
'Absorption corrections were made using the program SADABS (Sheldrick, 1996)'
_shelx_res_checksum              25073