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_4067552
_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         'C22 H39 Cd N7 Si2'
_chemical_formula_sum            'C22 H39 Cd N7 Si2'
_chemical_formula_weight         570.18
_chemical_name_systematic
;
Cd{C(Me2pz)3}{N(SiMe3)2}
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 119.02(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   16.001(3)
_cell_length_b                   25.203(5)
_cell_length_c                   16.326(3)
_cell_measurement_reflns_used    45727
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.17
_cell_measurement_theta_min      1.46
_cell_volume                     5757(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      150(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_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  0.0329
_diffrn_reflns_av_sigmaI/netI    0.0249
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       29
_diffrn_reflns_limit_k_min       -32
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            45727
_diffrn_reflns_theta_full        27.17
_diffrn_reflns_theta_max         27.17
_diffrn_reflns_theta_min         1.46
_exptl_absorpt_coefficient_mu    0.864
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.316
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'irregular shaped crystal'
_exptl_crystal_F_000             2368
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.449
_refine_diff_density_min         -0.689
_refine_diff_density_rms         0.057
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.023
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     601
_refine_ls_number_reflns         12659
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.023
_refine_ls_R_factor_all          0.0337
_refine_ls_R_factor_gt           0.0255
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0412P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0631
_refine_ls_wR_factor_ref         0.0654
_reflns_number_gt                10603
_reflns_number_total             12659
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om901013b_si_001.cif
_cod_data_source_block           compound_24
_cod_original_cell_volume        5757(2)
_cod_database_code               4067552