One-dimensional chains based on linear tetranuclear copper(I) units: reversible structural transformation and luminescence change
Yang, Chih-Tung; Yang, Xiang-Kai; Hu, Ji-Hong; Lee, Wei-Te; Chen, Tsun-Ren; Wang, Chih-Chieh; Chen, Jhy-Der; CrystEngComm  (2020) –; doi:10.1039/D0CE00294A

data_7240387
_publ_section_title
;
 One-dimensional chains based on linear tetranuclear copper(I) units:
 reversible structural transformation and luminescence change
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D0CE00294A
_journal_year                    2020
_chemical_formula_sum            'C22 H18 Cu4 I2 N8'
_chemical_formula_weight         902.40
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2020-02-03 deposited with the CCDC.	2020-04-23 downloaded from the CCDC.
;
_cell_angle_alpha                87.6090(10)
_cell_angle_beta                 79.1280(10)
_cell_angle_gamma                72.9380(10)
_cell_formula_units_Z            1
_cell_length_a                   7.02250(10)
_cell_length_b                   8.3565(2)
_cell_length_c                   11.6598(2)
_cell_measurement_reflns_used    6780
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.26
_cell_measurement_theta_min      2.55
_cell_volume                     642.31(2)
_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      296(2)
_diffrn_measured_fraction_theta_full 1.000
_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  0.0287
_diffrn_reflns_av_unetI/netI     0.0309
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            11499
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.275
_diffrn_reflns_theta_min         1.779
_exptl_absorpt_coefficient_mu    5.698
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.5386
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2008/1 (Bruker AXS, 2008)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.333
_exptl_crystal_description       Plate
_exptl_crystal_F_000             428
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.869
_refine_diff_density_min         -0.589
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     163
_refine_ls_number_reflns         3196
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0405
_refine_ls_R_factor_gt           0.0279
_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^)+(0.0182P)^2^+0.5628P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0525
_refine_ls_wR_factor_ref         0.0564
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2577
_reflns_number_total             3196
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ce00294a2.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'multi_scan' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_original_cell_volume        642.32(2)
_cod_database_code               7240387
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.395
_shelx_estimated_absorpt_t_max   0.600
_shelx_res_checksum              15873