Copper(i)-polymers and their photoluminescence thermochromism properties.
Wang, Rong-Yan; Zhang, Xiao; Yu, Jie-Hui; Xu, Ji-Qing; Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology 18 (2019) 477–486; doi:10.1039/c8pp00474a

data_1550270
_publ_section_title
;
 Copper(i)-polymers and their photoluminescence thermochromism properties.
;
_journal_issue                   2
_journal_name_full
'Photochemical &amp; photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology'
_journal_page_first              477
_journal_page_last               486
_journal_paper_doi               10.1039/c8pp00474a
_journal_volume                  18
_journal_year                    2019
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C11 H16 Br2 Cu2 N4'
_chemical_formula_sum            'C11 H16 Br2 Cu2 N4'
_chemical_formula_weight         491.18
_space_group_crystal_system      orthorhombic
_space_group_IT_number           34
_space_group_name_Hall           'P 2 -2n'
_space_group_name_H-M_alt        'P n n 2'
_symmetry_space_group_name_Hall  'P 2 -2n'
_symmetry_space_group_name_H-M   'P n n 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2018-09-14
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2018-10-23 deposited with the CCDC.
2018-11-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.6696(5)
_cell_length_b                   9.5533(3)
_cell_length_c                   9.5747(2)
_cell_measurement_reflns_used    6483
_cell_measurement_temperature    299(2)
_cell_measurement_theta_max      28.277
_cell_measurement_theta_min      3.013
_cell_volume                     1616.24(8)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_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    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      299.19
_diffrn_detector_area_resol_mean 10.0
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0471
_diffrn_reflns_av_unetI/netI     0.0381
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            15474
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.343
_diffrn_reflns_theta_min         3.012
_exptl_absorpt_coefficient_mu    7.567
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    2.019
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             952
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.325
_refine_diff_density_min         -0.510
_refine_diff_density_rms         0.075
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.059(18)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     173
_refine_ls_number_reflns         2882
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0384
_refine_ls_R_factor_gt           0.0294
_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^)+(0.0251P)^2^+0.5586P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0575
_refine_ls_wR_factor_ref         0.0607
_reflns_Friedel_coverage         0.881
_reflns_Friedel_fraction_full    0.999
_reflns_Friedel_fraction_max     0.999
_reflns_number_gt                2531
_reflns_number_total             2882
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8pp00474a2.cif
_cod_data_source_block           1_CCDC2
_cod_depositor_comments
'Adding full bibliography for 1550267--1550270.cif.'
_cod_database_code               1550270
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.435
_shelx_estimated_absorpt_t_min   0.389
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.941(18)
 0.059(18)
2. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
3.a Secondary CH2 refined with riding coordinates:
 C7(H7A,H7B), C8(H8A,H8B), C9(H9A,H9B)
3.b Me refined with riding coordinates:
 C10(H10A,H10B,H10C), C11(H11A,H11B,H11C)
3.c Aromatic/amide H refined with riding coordinates:
 C1(H1), C2(H2), C4(H4), C5(H5)
;
_shelx_res_checksum              51012
_shelx_hkl_checksum              72565
_olex2_submission_special_instructions 'No special instructions were received'