Mono-, di-, tetra- and heptanuclear copper(II) complexes with 4-(3,5-di-R-1H-pyrazol-1-yl)-6-methyl-2-(pyridin-2-yl)pyrimidines (R = H, Me): Syntheses, crystal structures and electrospray ionization mass spectrometry
Mark B. Bushuev; Yuri V. Gatilov; Elena B. Nikolaenkova; Vladimir G. Vasiliev; Viktor P. Krivopalov; Inorganica Chimica Acta 395 (2013) 95–103; doi:10.1016/j.ica.2012.10.018

data_1512894
_publ_section_title
;
 Mono-, di-, tetra- and heptanuclear copper(II) complexes with
 4-(3,5-di-R-1H-pyrazol-1-yl)-6-methyl-2-(pyridin-2-yl)pyrimidines (R = H,
 Me): Syntheses, crystal structures and electrospray ionization mass
 spectrometry
;
_journal_name_full
;
Inorganica Chimica Acta
;
_journal_page_first              95
_journal_page_last               103
_journal_paper_doi               10.1016/j.ica.2012.10.018
_journal_volume                  395
_journal_year                    2013
_chemical_formula_moiety         'C13 H11 Cl2 Cu N5, H O0.50'
_chemical_formula_sum            'C13 H12 Cl2 Cu N5 O0.5'
_chemical_formula_weight         380.72
_chemical_name_systematic
; 
 dichlorido(4-(1H-pyrazol-1-yl)-2-(pyridin-2-yl)-6-
methylpyrimidine)copper hemihydrate 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 105.063(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   13.0700(13)
_cell_length_b                   10.2542(10)
_cell_length_c                   22.668(2)
_cell_measurement_reflns_used    1658
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      24.81
_cell_measurement_theta_min      2.56
_cell_volume                     2933.6(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.951
_diffrn_measured_fraction_theta_max 0.947
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0407
_diffrn_reflns_av_sigmaI/netI    0.0812
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            6276
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.08
_diffrn_reflns_theta_min         1.86
_exptl_absorpt_coefficient_mu    1.856
_exptl_absorpt_correction_T_max  0.9422
_exptl_absorpt_correction_T_min  0.7908
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS-2008/1
_exptl_crystal_colour            blue
_exptl_crystal_density_diffrn    1.724
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1536
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.526
_refine_diff_density_min         -0.516
_refine_diff_density_rms         0.150
_refine_ls_extinction_coef       0.0032(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.122
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     205
_refine_ls_number_reflns         2465
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.122
_refine_ls_R_factor_all          0.0901
_refine_ls_R_factor_gt           0.0531
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0643P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1138
_refine_ls_wR_factor_ref         0.1368
_reflns_number_gt                1672
_reflns_number_total             2465
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ICA-2013-395-95-103-1.cif
_cod_data_source_block           1_k175
_cod_original_cell_volume        2933.7(5)
_cod_original_sg_symbol_H-M      'C2/c  '
_cod_original_formula_sum        'C13 H12 Cl2 Cu N5 O0.50'
_cod_database_code               1512894