Bis(μ-<i>N,N</i>-dimethylhydrazido-κ^2^<i>N</i>':<i>N</i>')bis[dimethylgallium(III)]
Hecht, Elmar; Acta Crystallographica Section E 60 (2004) m1327–m1328; doi:10.1107/S160053680402080X

data_2204129
_publ_section_title
Bis(\m-<i>N,N</i>-dimethylhydrazido-\k^2^<i>N</i>':<i>N</i>')bis[dimethylgallium(III)]
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              m1327
_journal_page_last               m1328
_journal_paper_doi               10.1107/S160053680402080X
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          '[Ga2 (C H3)4 (C2 H7 N2)2]'
_chemical_formula_moiety         'C8 H26 Ga2 N4'
_chemical_formula_sum            'C8 H26 Ga2 N4'
_chemical_formula_weight         317.77
_chemical_name_systematic
;
Bis(\m-N,N-dimethylhydrazido-\k^2^N':N')bis[dimethylgallium(III)]
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                114.0520(10)
_cell_angle_beta                 95.7980(10)
_cell_angle_gamma                107.4060(10)
_cell_formula_units_Z            1
_cell_length_a                   6.74390(10)
_cell_length_b                   8.20160(10)
_cell_length_c                   8.2846(2)
_cell_measurement_reflns_used    1543
_cell_measurement_temperature    213(2)
_cell_measurement_theta_max      27
_cell_measurement_theta_min      2
_cell_volume                     385.992(13)
_computing_cell_refinement       SMART
_computing_data_collection       'SMART (Bruker, 2000)'
_computing_data_reduction        'SAINT (Bruker, 2000)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'SHELXL97 and PLATON (Spek, 2001)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS90 (Sheldrick, 1990)'
_diffrn_ambient_temperature      213(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.907
_diffrn_measurement_device_type  'Bruker SMART CCD'
_diffrn_measurement_method       \w
_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  0.0235
_diffrn_reflns_av_sigmaI/netI    0.0335
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            3427
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.08
_diffrn_reflns_theta_min         2.79
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.468
_exptl_absorpt_correction_T_max  0.500
_exptl_absorpt_correction_T_min  0.388
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.367
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             164
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.841
_refine_diff_density_min         -0.445
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.072
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     93
_refine_ls_number_reflns         1543
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0373
_refine_ls_R_factor_gt           0.0320
_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^)+(0.0491P)^2^] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0772
_refine_ls_wR_factor_ref         0.0795
_reflns_number_gt                1383
_reflns_number_total             1543
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bt6502.cif
_cod_data_source_block           I
_cod_original_cell_volume        385.991(12)
_cod_original_sg_symbol_Hall     -P1
_cod_database_code               2204129
_cod_database_fobs_code          2204129