New cyclometallated precursors of unsubstituted N-phenylpyrazole [{Pd(phpz)(μ-X)}2] (X = AcO or OH) and study of their reactivity towards selected ligands.
Serrano, José Luis; García, Luis; Pérez, José; Pérez, Eduardo; Galiana, José Miguel; García, Joaquín; Martínez, Marina; Sánchez, Gregorio; da Silva, Ivan; Dalton transactions (Cambridge, England : 2003) 40 (2011) 156–168; doi:10.1039/c0dt00814a

data_7021861
_publ_section_title
;
 New cyclometallated precursors of unsubstituted N-phenylpyrazole
 [{Pd(phpz)(\m-X)}2] (X = AcO or OH) and study of their reactivity towards
 selected ligands.
;
_journal_issue                   1
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              156
_journal_page_last               168
_journal_paper_doi               10.1039/c0dt00814a
_journal_volume                  40
_journal_year                    2011
_chemical_formula_moiety         'C22 H20 N4 O4 Pd2'
_chemical_formula_sum            'C22 H20 N4 O4 Pd2'
_chemical_formula_weight         617.22
_chemical_name_systematic
;
?
;
_space_group_IT_number           152
_symmetry_cell_setting           trigonal
_symmetry_space_group_name_Hall  'P 31 2"'
_symmetry_space_group_name_H-M   'P 31 2 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                120.00
_cell_formula_units_Z            6
_cell_length_a                   11.7292(3)
_cell_length_b                   11.7292(3)
_cell_length_c                   27.8342(13)
_cell_measurement_temperature    100(2)
_cell_volume                     3316.2(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.000
_diffrn_measured_fraction_theta_max 0.977
_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  0.0415
_diffrn_reflns_av_sigmaI/netI    0.0281
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -36
_diffrn_reflns_number            38625
_diffrn_reflns_theta_full        0.50
_diffrn_reflns_theta_max         28.23
_diffrn_reflns_theta_min         2.00
_exptl_absorpt_coefficient_mu    1.663
_exptl_absorpt_correction_T_max  0.8924
_exptl_absorpt_correction_T_min  0.7428
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.854
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1824
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.714
_refine_diff_density_min         -0.396
_refine_diff_density_rms         0.100
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.01(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     289
_refine_ls_number_reflns         5225
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.064
_refine_ls_R_factor_all          0.0267
_refine_ls_R_factor_gt           0.0260
_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^)+(0.0302P)^2^+2.0924P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0578
_refine_ls_wR_factor_ref         0.0582
_reflns_number_gt                5153
_reflns_number_total             5225
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00814a.txt
_cod_data_source_block           compound1
_cod_depositor_comments
'Adding full bibliography for 7021861--7021866.cif.'
_cod_original_sg_symbol_H-M      P3121
_cod_database_code               7021861