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_4300911
_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            'C22 H56 Ga N2 P2 Si4'
_chemical_formula_weight         592.71
_chemical_name_systematic
; 

 ? 

;
_space_group_IT_number           13
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yc'
_symmetry_space_group_name_H-M   'P 1 2/c 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                 90.69(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            6
_cell_length_a                   31.505(6)
_cell_length_b                   9.822(2)
_cell_length_c                   16.731(3)
_cell_measurement_temperature    150(2)
_cell_volume                     5176.9(17)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0802
_diffrn_reflns_av_sigmaI/netI    0.0855
_diffrn_reflns_limit_h_max       38
_diffrn_reflns_limit_h_min       -38
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            31339
_diffrn_reflns_theta_full        26.02
_diffrn_reflns_theta_max         26.02
_diffrn_reflns_theta_min         3.08
_exptl_absorpt_coefficient_mu    1.042
_exptl_absorpt_correction_T_max  0.849
_exptl_absorpt_correction_T_min  0.727
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav (Blessing, 1995)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.141
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1914
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.135
_refine_diff_density_min         -0.580
_refine_diff_density_rms         0.086
_refine_ls_extinction_coef       0.0004(2)
_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   1.050
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     479
_refine_ls_number_reflns         10138
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.1020
_refine_ls_R_factor_gt           0.0551
_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^)+(0.0495P)^2^+4.6655P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1203
_refine_ls_wR_factor_ref         0.1391
_reflns_number_gt                6504
_reflns_number_total             10138
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0486825si20050106_100348.cif
_cod_data_source_block           compound8
_cod_original_cell_volume        5176.9(18)
_cod_database_code               4300911