Two temperature-induced 1D Cu<sup>II</sup> chain enantiomeric pairs showing different magnetic properties and nonlinear optical responses.
Li, Xi-Li; Li, Yanan; Wang, Ailing; Gao, Congli; Cui, Minghui; Liu, Cai-Ming; Zhou, Liming; Dalton transactions (Cambridge, England : 2003) 52 (2023) 2440–2447; doi:10.1039/d2dt03787d

data_7712168
_publ_section_title
;
 Two temperature-induced 1D Cu<sup>II</sup> chain enantiomeric pairs
 showing different magnetic properties and nonlinear optical responses.
;
_journal_issue                   8
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2440
_journal_page_last               2447
_journal_paper_doi               10.1039/d2dt03787d
_journal_volume                  52
_journal_year                    2023
_chemical_absolute_configuration rmad
_chemical_formula_moiety         'C16 H17 Cu N5 O6'
_chemical_formula_sum            'C16 H17 Cu N5 O6'
_chemical_formula_weight         438.88
_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'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2023-01-13 deposited with the CCDC.	2023-01-18 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 105.2740(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.4167(9)
_cell_length_b                   9.0382(8)
_cell_length_c                   19.3517(16)
_cell_measurement_reflns_used    9942
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.42
_cell_measurement_theta_min      2.51
_cell_volume                     1757.6(3)
_computing_cell_refinement       APEX2
_computing_data_collection       'APEX2 (Bruker, 2013)'
_computing_data_reduction        APEX2
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS (Bruker, 2000)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'PHOTON 100 CMOS detector'
_diffrn_measurement_method       'omega scan'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0101
_diffrn_reflns_av_unetI/netI     0.0666
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            16980
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.418
_diffrn_reflns_theta_min         2.027
_exptl_absorpt_coefficient_mu    1.290
_exptl_absorpt_correction_T_max  0.82
_exptl_absorpt_correction_T_min  0.78
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker-2018'
_exptl_crystal_density_diffrn    1.659
_exptl_crystal_description       block
_exptl_crystal_F_000             900
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.160
_refine_diff_density_max         1.745
_refine_diff_density_min         -1.446
_refine_diff_density_rms         0.096
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.033(14)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     510
_refine_ls_number_reflns         7876
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.0504
_refine_ls_R_factor_gt           0.0416
_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^)+(0.0392P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0798
_refine_ls_wR_factor_ref         0.0816
_reflns_Friedel_coverage         0.885
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.994
_reflns_number_gt                6757
_reflns_number_total             7876
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2dt03787d2.cif
_cod_data_source_block           R-1-Cu
_cod_depositor_comments
'Adding full bibliography for 7712168--7712171.cif.'
_cod_original_sg_symbol_H-M      'P 21'
_cod_database_code               7712168
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.782
_shelx_estimated_absorpt_t_max   0.820
_shelx_res_checksum              70224