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_4300910
_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            'C16 H38 As Ga I N2 Si2'
_chemical_formula_weight         586.20
_chemical_name_systematic
; 

 ? 

;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 92.77(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.009(3)
_cell_length_b                   18.462(4)
_cell_length_c                   9.3350(19)
_cell_measurement_temperature    150(2)
_cell_volume                     2583.7(9)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.967
_diffrn_measured_fraction_theta_max 0.967
_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  0.1266
_diffrn_reflns_av_sigmaI/netI    0.1133
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            16234
_diffrn_reflns_theta_full        27.14
_diffrn_reflns_theta_max         27.14
_diffrn_reflns_theta_min         2.93
_exptl_absorpt_coefficient_mu    3.625
_exptl_absorpt_correction_T_max  0.580
_exptl_absorpt_correction_T_min  0.380
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sortav (Blessing, 1995)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.507
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1172
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.15
_refine_diff_density_max         2.814
_refine_diff_density_min         -2.045
_refine_diff_density_rms         0.249
_refine_ls_extinction_coef       0.0006(6)
_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   1.020
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         5522
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.1136
_refine_ls_R_factor_gt           0.0766
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1186P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1860
_refine_ls_wR_factor_ref         0.2097
_reflns_number_gt                3718
_reflns_number_total             5522
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0486825si20050106_100327.cif
_cod_data_source_block           compound7
_cod_database_code               4300910