A single-crystal-to-single-crystal Diels‒Alder reaction with mixed topochemical and topotactic behaviour
Khorasani, S.; Botes, D. S.; Fernandes, M. A.; Levendis, D. C.; CrystEngComm 17 (2015) 8933–; doi:10.1039/C5CE01301A

data_7222089
_publ_section_title
;
 A single-crystal-to-single-crystal Diels--Alder reaction with mixed
 topochemical and topotactic behaviour
;
_journal_issue                   46
_journal_name_full               CrystEngComm
_journal_page_first              8933
_journal_paper_doi               10.1039/C5CE01301A
_journal_volume                  17
_journal_year                    2015
_chemical_formula_moiety
'0.419(C28 H19 Br N2 O4 S2), 0.581(C14 H10 N2 O4 S2), 0.581(C14 H9 Br)'
_chemical_formula_sum            'C28 H19 Br N2 O4 S2'
_chemical_formula_weight         591.48
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2015-08-07 deposited with the CCDC.
2015-08-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 108.642(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.8605(14)
_cell_length_b                   13.7943(15)
_cell_length_c                   14.5372(16)
_cell_measurement_reflns_used    9926
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.05
_cell_measurement_theta_min      2.95
_cell_volume                     2443.6(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-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.1335
_diffrn_reflns_av_unetI/netI     0.0795
_diffrn_reflns_laue_measured_fraction_full 0.998
_diffrn_reflns_laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            56880
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        24.998
_diffrn_reflns_theta_max         24.998
_diffrn_reflns_theta_min         2.895
_exptl_absorpt_coefficient_mu    1.893
_exptl_absorpt_correction_T_max  0.8994
_exptl_absorpt_correction_T_min  0.6812
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
'Face indexed absorption corrections carried out with XPREP'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.608
_exptl_crystal_description       plate
_exptl_crystal_F_000             1200
_exptl_crystal_recrystallization_method
'Thermal solid-state reaction from CT crystal'
_exptl_crystal_size_max          0.470
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.070
_refine_diff_density_max         0.692
_refine_diff_density_min         -1.514
_refine_diff_density_rms         0.134
_refine_ls_abs_structure_details
;
 Flack x determined using 1835 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.499(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1104
_refine_ls_number_reflns         8583
_refine_ls_number_restraints     1468
_refine_ls_restrained_S_all      0.974
_refine_ls_R_factor_all          0.1724
_refine_ls_R_factor_gt           0.1032
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0986P)^2^+25.1906P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2494
_refine_ls_wR_factor_ref         0.2982
_reflns_Friedel_coverage         0.912
_reflns_friedel_fraction_full    0.998
_reflns_friedel_fraction_max     0.998
_reflns_number_gt                5240
_reflns_number_total             8583
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5ce01301a1.cif
_cod_data_source_block           25days_reaction_p21_refine
_cod_depositor_comments
'Adding full bibliography for 7222085--7222099.cif.'
_cod_database_code               7222089
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.470
_shelx_estimated_absorpt_t_max   0.879
_shelx_res_checksum              84962