Syntheses and Structural Diversity of Group 2 and Group 12 Tris(pyrazolyl)methaneand Zwitterionic Tris(pyrazolyl)methanideCompounds
Cushion, Michael G.; Meyer, Jens; Heath, Alex; Schwarz, Andrew D.; Fernández, Ignacio; Breher, Frank; Mountford, Philip; Organometallics 29 (2010) 1174–; doi:10.1021/om901013b

data_4067551
_publ_section_title
;
 Syntheses and Structural Diversity of Group 2 and Group 12
 Tris(pyrazolyl)methaneand Zwitterionic Tris(pyrazolyl)methanideCompounds
;
_journal_issue                   5
_journal_name_full               Organometallics
_journal_page_first              1174
_journal_paper_doi               10.1021/om901013b
_journal_volume                  29
_journal_year                    2010
_chemical_formula_moiety         'C32 H42 N12 Zn'
_chemical_formula_sum            'C32 H42 N12 Zn'
_chemical_formula_weight         660.15
_chemical_name_systematic
;
Zn{C(Me2pz)3}2
;
_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                67.21(3)
_cell_angle_beta                 86.58(3)
_cell_angle_gamma                81.81(3)
_cell_formula_units_Z            1
_cell_length_a                   8.6651(17)
_cell_length_b                   9.833(2)
_cell_length_c                   10.499(2)
_cell_measurement_reflns_used    5346
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      24.99
_cell_measurement_theta_min      2.10
_cell_volume                     816.3(3)
_computing_cell_refinement       'CrysAlis Red'
_computing_data_collection       'CrysAlis CCD'
_computing_data_reduction        'CrysAlis Red'
_computing_molecular_graphics    'Ortep 32'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.941
_diffrn_measured_fraction_theta_max 0.941
_diffrn_measurement_device_type  'Stoe Stadi with CCD'
_diffrn_measurement_method       'omega 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  0.0254
_diffrn_reflns_av_sigmaI/netI    0.0262
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            5346
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.10
_exptl_absorpt_coefficient_mu    0.795
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.343
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'irregular shaped crystal'
_exptl_crystal_F_000             348
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.383
_refine_diff_density_min         -0.360
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     211
_refine_ls_number_reflns         2726
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0291
_refine_ls_R_factor_gt           0.0278
_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^)+(0.0418P)^2^+0.5296P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0787
_refine_ls_wR_factor_ref         0.0794
_reflns_number_gt                2574
_reflns_number_total             2726
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om901013b_si_001.cif
_cod_data_source_block           compound_23
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4067551