Reactions of a Gallium(II)-Diazabutadiene Dimer, [{{[(H)C(But)N]2}GaI}2], with [ME(SiMe3)2] (M = Li or Na; E = N, P, or As): Structural, EPR, and ENDOR Characterization of Paramagnetic Gallium(III) Pnictide Complexes
Karen L. Antcliff; Robert J. Baker; Cameron Jones; Damien M. Murphy; Richard P. Rose; Inorganic Chemistry 44 (2005) 2098–2105; doi:10.1021/ic0486825

data_4300913
_publ_section_title
;

Reactions of a Gallium(II)-Diazabutadiene Dimer, [{{[(H)C(But)N]2}GaI}2],

with [ME(SiMe3)2] (M = Li or Na; E = N, P, or As): Structural, EPR, and

ENDOR Characterization of Paramagnetic Gallium(III) Pnictide Complexes

;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2098
_journal_page_last               2105
_journal_paper_doi               10.1021/ic0486825
_journal_volume                  44
_journal_year                    2005
_chemical_formula_sum            'C33 H78 Ga2 N6 Si4'
_chemical_formula_weight         810.81
_chemical_name_systematic
; 

 ? 

;
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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            4
_cell_length_a                   25.772(5)
_cell_length_b                   15.892(3)
_cell_length_c                   11.214(2)
_cell_measurement_temperature    150(2)
_cell_volume                     4592.9(15)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_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  0.0652
_diffrn_reflns_av_sigmaI/netI    0.0747
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -26
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            19377
_diffrn_reflns_theta_full        25.32
_diffrn_reflns_theta_max         25.32
_diffrn_reflns_theta_min         3.01
_exptl_absorpt_coefficient_mu    1.305
_exptl_absorpt_correction_T_max  0.825
_exptl_absorpt_correction_T_min  0.673
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            olive
_exptl_crystal_density_diffrn    1.173
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1744
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.830
_refine_diff_density_min         -0.435
_refine_diff_density_rms         0.089
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.124(14)
_refine_ls_extinction_coef       0.0000(3)
_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   1.024
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     433
_refine_ls_number_reflns         7754
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0706
_refine_ls_R_factor_gt           0.0543
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0563P)^2^+7.2283P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1186
_refine_ls_wR_factor_ref         0.1274
_reflns_number_gt                6558
_reflns_number_total             7754
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0486825si20050106_100444.cif
_cod_data_source_block           compound10
_cod_original_cell_volume        4592.9(16)
_cod_database_code               4300913