Structurally diverse copper(ii) complexes with pyridazine-integrated with pyrazine‒Schiff base ligand featuring an easily lost proton in the hydrazone backbone
Cao, Jing; Liu, Jia-Cheng; Deng, Wen-Ting; Jin, Neng-Zhi; CrystEngComm 15 (2013) 6359–; doi:10.1039/c3ce40605a

data_7210278
_publ_section_title
;
 Structurally diverse copper(ii) complexes with pyridazine-integrated with
 pyrazine--Schiff base ligand featuring an easily lost proton in the
 hydrazone backbone
;
_journal_issue                   32
_journal_name_full               CrystEngComm
_journal_page_first              6359
_journal_paper_doi               10.1039/c3ce40605a
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C20 H21 Cl2 Cu2 N13 O6'
_chemical_formula_weight         737.48
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                92.170(7)
_cell_angle_beta                 115.524(6)
_cell_angle_gamma                107.005(6)
_cell_formula_units_Z            2
_cell_length_a                   11.2535(6)
_cell_length_b                   11.9210(10)
_cell_length_c                   12.0912(9)
_cell_measurement_temperature    293(2)
_cell_volume                     1374.3(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-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0188
_diffrn_reflns_av_sigmaI/netI    0.0340
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            9121
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         3.01
_exptl_absorpt_coefficient_mu    1.806
_exptl_absorpt_correction_T_max  0.6815
_exptl_absorpt_correction_T_min  0.6308
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.782
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             744
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.26
_exptl_crystal_size_min          0.23
_refine_diff_density_max         0.771
_refine_diff_density_min         -0.764
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     395
_refine_ls_number_reflns         5114
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0462
_refine_ls_R_factor_gt           0.0374
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0389P)^2^+1.7377P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0896
_refine_ls_wR_factor_ref         0.0964
_reflns_number_gt                4330
_reflns_number_total             5114
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce40605a.txt
_cod_data_source_block           caojin120813_2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        1374.30(17)
_cod_original_sg_symbol_H-M      p-1
_cod_database_code               7210278