Order-disorder phase transition induced by proton transfer in a co-crystal of 2,4-dichlorobenzoic Acid and Trimethylamine N- oxide
D'Vries, Richard Fernando; Moreno-Fuquen, Rodolfo; Camps, Ihosvany; Ayala, Alejandro P.; Kennedy, Alan; Reinheimer, Eric W.; Ellena, Javier A.; CrystEngComm  (2017) –; doi:10.1039/C7CE00835J

data_7228391
_publ_section_title
;
 Order-disorder phase transition induced by proton transfer in a
 co-crystal of 2,4-dichlorobenzoic Acid and Trimethylamine N- oxide
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/C7CE00835J
_journal_year                    2017
_chemical_formula_moiety         'C7 H3 Cl2 O2, C3 H10 N O'
_chemical_formula_sum            'C10 H13 Cl2 N O3'
_chemical_formula_weight         266.11
_chemical_melting_point          413
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2017-03-08
_audit_creation_method
;
Olex2 1.2
(compiled 2017.01.04 svn.r3372 for OlexSys, GUI svn.r5324)
;
_audit_update_record
;
2017-04-19 deposited with the CCDC.
2017-06-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   12.27690(10)
_cell_length_b                   8.00180(10)
_cell_length_c                   26.0006(2)
_cell_measurement_reflns_used    23315
_cell_measurement_temperature    294.87(10)
_cell_measurement_theta_max      73.4300
_cell_measurement_theta_min      4.9270
_cell_volume                     2554.23(4)
_computing_cell_refinement       'CrysAlisPro 1.171.38.41o (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.38.41o (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.38.41o (Rigaku OD, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_environment      air
_diffrn_ambient_temperature      294.87(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 5.2387
_diffrn_detector_type            AtlasS2
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, AtlasS2'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0336
_diffrn_reflns_av_unetI/netI     0.0113
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            44547
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         74.129
_diffrn_reflns_theta_min         3.400
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    4.534
_exptl_absorpt_correction_T_max  0.439
_exptl_absorpt_correction_T_min  0.143
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.41o (Rigaku Oxford Diffraction, 2015)
Numerical absorption correction based on gaussian integration over
            a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.384
_exptl_crystal_description       block
_exptl_crystal_F_000             1104
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: Acetonitrile'
_exptl_crystal_size_max          0.307
_exptl_crystal_size_mid          0.256
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.281
_refine_diff_density_min         -0.259
_refine_diff_density_rms         0.037
_refine_ls_extinction_coef       0.00094(15)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2016/6 (Sheldrick 2016)'
_refine_ls_goodness_of_fit_ref   1.066
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     180
_refine_ls_number_reflns         2586
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.0405
_refine_ls_R_factor_gt           0.0393
_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^)+(0.0546P)^2^+0.9422P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1126
_refine_ls_wR_factor_ref         0.1137
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2474
_reflns_number_total             2586
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ce00835j2.cif
_cod_data_source_block           TMNO24DCB295K
_cod_database_code               7228391
_shelx_shelxl_version_number     2016/6
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Others
 Fixed Sof: Cl1A(0.5) O3A(0.5) O2A(0.5) O3B(0.5) O2B(0.5) Cl1B(0.5)
3.a Aromatic/amide H refined with riding coordinates:
 C7(H7), C6(H6), C4(H4)
3.b Idealised Me refined as rotating group:
 C10(H10A,H10B,H10C), C9(H9A,H9B,H9C), C8(H8A,H8B,H8C)
;
_shelx_res_checksum              78747
_olex2_submission_special_instructions 'No special instructions were received'