Group 2 and 12 Metal Gallyl Complexes Containing Unsupported Ga−M Covalent Bonds (M = Mg, Ca, Sr, Ba, Zn, Cd)†
Bonello, Owen; Jones, Cameron; Stasch, Andreas; Woodul, William D.; Organometallics 29 (2010) 4914–; doi:10.1021/om1001606

data_4065844
_publ_section_title
;
 Group 2 and 12 Metal Gallyl Complexes Containing Unsupported Ga&#x2212;M
 Covalent Bonds (M = Mg, Ca, Sr, Ba, Zn, Cd)&#x2020;
;
_journal_issue                   21
_journal_name_full               Organometallics
_journal_page_first              4914
_journal_paper_doi               10.1021/om1001606
_journal_volume                  29
_journal_year                    2010
_chemical_formula_sum            'C66 H108 Ba Ga2 N6 O2'
_chemical_formula_weight         1294.36
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                90.00
_cell_formula_units_Z            8
_cell_length_a                   19.341(4)
_cell_length_b                   18.414(4)
_cell_length_c                   39.322(8)
_cell_measurement_temperature    123(2)
_cell_volume                     14004(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_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  0.0250
_diffrn_reflns_av_sigmaI/netI    0.0374
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       46
_diffrn_reflns_limit_l_min       -46
_diffrn_reflns_number            23187
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.95
_exptl_absorpt_coefficient_mu    1.363
_exptl_absorpt_correction_T_max  0.821
_exptl_absorpt_correction_T_min  0.680
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav (Blessing, 1995)'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.228
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             5440
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.963
_refine_diff_density_min         -0.730
_refine_diff_density_rms         0.069
_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     718
_refine_ls_number_reflns         12279
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0537
_refine_ls_R_factor_gt           0.0329
_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^)+(0.0411P)^2^+4.3850P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0747
_refine_ls_wR_factor_ref         0.0823
_reflns_number_gt                9274
_reflns_number_total             12279
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om1001606_si_002.cif
_cod_data_source_block           '[Ba{Ga(DAB)}(tmeda)(OEt2)2]'
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               4065844