Cu(II)-mediated tautomerization for the pyrazole-nitrile coupling reaction.
Hsieh, Chang-Chih; Chen, Chia-Wei; Chiang, Ming-Hsi; Horng, Yih-Chern; Dalton transactions (Cambridge, England : 2003) 54 (2025) 1334–1342; doi:10.1039/d4dt02904f

data_7717694
_publ_section_title
;
 Cu(II)-mediated tautomerization for the pyrazole-nitrile coupling
 reaction.
;
_journal_issue                   4
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1334
_journal_page_last               1342
_journal_paper_doi               10.1039/d4dt02904f
_journal_volume                  54
_journal_year                    2025
_chemical_formula_sum            'C10 H12 Cl2 Cu I2 N6 O8'
_chemical_formula_weight         732.51
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
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_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2019/1
_audit_update_record
;
2024-12-13 deposited with the CCDC.	2024-12-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
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_cell_angle_gamma                90
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_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      21.97
_cell_measurement_theta_min      2.53
_cell_volume                     1026.69(6)
_computing_cell_refinement       'SAINT (Bruker, 2012)'
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_computing_structure_refinement  'SHELXL-2019/1 (Sheldrick, 2019)'
_computing_structure_solution    'SHELXL-2019/1 (Sheldrick, 2019)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       \w
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_diffrn_reflns_av_R_equivalents  0.0712
_diffrn_reflns_av_unetI/netI     0.0514
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -15
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_diffrn_reflns_point_group_measured_fraction_full 0.997
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_diffrn_reflns_theta_min         2.531
_exptl_absorpt_coefficient_mu    4.382
_exptl_absorpt_correction_T_max  0.616
_exptl_absorpt_correction_T_min  0.496
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2003)'
_exptl_crystal_colour            'light green'
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_exptl_crystal_description       block
_exptl_crystal_F_000             752
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_exptl_crystal_size_min          0.09
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_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     134
_refine_ls_number_reflns         1804
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0497
_refine_ls_R_factor_gt           0.0376
_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^)+(0.0469P)^2^+0.4163P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0907
_refine_ls_wR_factor_ref         0.0956
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1423
_reflns_number_total             1804
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4dt02904f2.cif
_cod_data_source_block           1c
_cod_depositor_comments
'Adding full bibliography for 7717689--7717702.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7717694
_shelx_shelxl_version_number     2019/1
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