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_4300909
_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 Ga I N2 P Si2'
_chemical_formula_weight         542.25
_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                 92.58(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.011(3)
_cell_length_b                   18.299(4)
_cell_length_c                   9.2890(19)
_cell_measurement_temperature    150(2)
_cell_volume                     2549.0(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 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0724
_diffrn_reflns_av_sigmaI/netI    0.0746
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            18139
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.94
_exptl_absorpt_coefficient_mu    2.449
_exptl_absorpt_correction_T_max  0.791
_exptl_absorpt_correction_T_min  0.676
_exptl_absorpt_correction_type   muti-scan
_exptl_absorpt_process_details   'Sortav (Blessing, 1995)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.413
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1100
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.838
_refine_diff_density_min         -0.534
_refine_diff_density_rms         0.126
_refine_ls_extinction_coef       0.00156(18)
_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   1.022
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         5798
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0769
_refine_ls_R_factor_gt           0.0424
_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^)+(0.0181P)^2^+1.8614P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0760
_refine_ls_wR_factor_ref         0.0868
_reflns_number_gt                3999
_reflns_number_total             5798
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0486825si20050106_100305.cif
_cod_data_source_block           compound6
_cod_database_code               4300909