Solvent-mediated single-crystal-to-single-crystal transformation from dimeric to tetrameric copper(I) complex based on a substituted pyridine derived from the Diels-Alder adduct
razali, mohd rizal; Zhan, Shun-Ze; Tai Wei, Chan; New J. Chem. 41 (2017) 7598–7604; doi:10.1039/C7NJ01552F

data_7056361
_publ_section_title
;
 Solvent-mediated single-crystal-to-single-crystal transformation from
 dimeric to tetrameric copper(I) complex based on a substituted pyridine
 derived from the Diels-Alder adduct
;
_journal_issue                   15
_journal_name_full               'New J. Chem.'
_journal_page_first              7598
_journal_page_last               7604
_journal_paper_doi               10.1039/C7NJ01552F
_journal_volume                  41
_journal_year                    2017
_chemical_formula_sum            'C50 H38 Cu2 I2 N6 O4'
_chemical_formula_weight         1167.74
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2017-05-02 deposited with the CCDC.
2017-06-22 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 97.830(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   16.5376(18)
_cell_length_b                   7.7350(7)
_cell_length_c                   34.802(3)
_cell_measurement_reflns_used    101249
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      30.05
_cell_measurement_theta_min      1.85
_cell_volume                     4410.3(7)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_collection       'APEX2 (Bruker, 2009)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    X-SEED
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXTL (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker X8 Apex CCD'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0597
_diffrn_reflns_av_unetI/netI     0.0308
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       25
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       53
_diffrn_reflns_limit_l_min       -52
_diffrn_reflns_number            93202
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         32.915
_diffrn_reflns_theta_min         2.363
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    2.419
_exptl_absorpt_correction_T_max  0.6273
_exptl_absorpt_correction_T_min  0.4261
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Bruker, 2009)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.759
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2304
_exptl_crystal_size_max          0.523
_exptl_crystal_size_mid          0.198
_exptl_crystal_size_min          0.074
_refine_diff_density_max         2.041
_refine_diff_density_min         -1.759
_refine_diff_density_rms         0.145
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014)'
_refine_ls_goodness_of_fit_ref   1.195
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         8184
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.195
_refine_ls_R_factor_all          0.0595
_refine_ls_R_factor_gt           0.0534
_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^)+(0.0208P)^2^+56.2350P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1092
_refine_ls_wR_factor_ref         0.1116
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7488
_reflns_number_total             8184
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7nj01552f1.cif
_cod_data_source_block           1
_cod_database_code               7056361
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.364
_shelx_estimated_absorpt_t_max   0.841
_shelx_res_checksum              30490