Capturing the metastable state in the spontaneous and reversible single-crystal-to-single-crystal phase transition of riluzolium oxalate
Mondal, Pradip Kumar; Rao, Varun; Chopra, Deepak; CrystEngComm 20 (2018) 2079–; doi:10.1039/C8CE00283E

data_7230308
_publ_section_title
;
 Capturing the metastable state in the spontaneous and reversible
 single-crystal-to-single-crystal phase transition of riluzolium oxalate
;
_journal_issue                   15
_journal_name_full               CrystEngComm
_journal_page_first              2079
_journal_paper_doi               10.1039/C8CE00283E
_journal_volume                  20
_journal_year                    2018
_chemical_formula_sum            'C9 H6 F3 N2 O3 S'
_chemical_formula_weight         279.22
_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-2016/6
_audit_update_record
;
2017-09-01 deposited with the CCDC.
2018-03-19 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 100.553(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.6547(5)
_cell_length_b                   10.0570(5)
_cell_length_c                   11.7482(5)
_cell_measurement_reflns_used    1828
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      25.67
_cell_measurement_theta_min      3.78
_cell_volume                     1121.42(9)
_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    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.995
_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  0.0288
_diffrn_reflns_av_unetI/netI     0.0348
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            7885
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.698
_diffrn_reflns_theta_min         3.779
_exptl_absorpt_coefficient_mu    0.332
_exptl_absorpt_correction_T_max  0.7510
_exptl_absorpt_correction_T_min  0.5086
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2014/4'
_exptl_crystal_density_diffrn    1.654
_exptl_crystal_description       Plate
_exptl_crystal_F_000             564
_exptl_crystal_size_max          0.450
_exptl_crystal_size_mid          0.190
_exptl_crystal_size_min          0.050
_refine_diff_density_max         0.313
_refine_diff_density_min         -0.328
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     239
_refine_ls_number_reflns         2877
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0768
_refine_ls_R_factor_gt           0.0510
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0639P)^2^+0.3490P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1260
_refine_ls_wR_factor_ref         0.1424
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1983
_reflns_number_total             2877
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8ce00283e2.cif
_cod_data_source_block           RZ-OA-225K
_cod_depositor_comments
'Adding full bibliography for 7230307--7230312.cif.'
_cod_database_code               7230308
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.865
_shelx_estimated_absorpt_t_max   0.984
_shelx_res_checksum              2473