Structures, Bonding, and Reaction Chemistry of the Neutral Organogallium(I) Compounds (GaAr)n (n= 1 or 2) (Ar = Terphenyl or Related Ligand): An Experimental Investigation of Ga-Ga Multiple Bonding
Ned J. Hardman; Robert J. Wright; Andrew D. Phillips; Philip P. Power; Journal of the American Chemical Society 125 (2003) 2667–2679; doi:10.1021/ja028579j

data_4113517
_publ_section_title
;
 Structures, Bonding, and Reaction Chemistry of the Neutral
 Organogallium(I) Compounds (GaAr)n (n= 1 or 2) (Ar = Terphenyl or Related
 Ligand): An Experimental Investigation of Ga-Ga Multiple Bonding
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              2667
_journal_page_last               2679
_journal_paper_doi               10.1021/ja028579j
_journal_volume                  125
_journal_year                    2003
_chemical_formula_sum            'C84 H110 Ga2 I2'
_chemical_formula_weight         1512.96
_chemical_melting_point          503
_chemical_name_common            (Ar*GaI)2.2C6H6
_chemical_name_systematic
; 
 ? 
;
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                89.50(3)
_cell_angle_beta                 71.97(2)
_cell_angle_gamma                89.94(3)
_cell_formula_units_Z            2
_cell_length_a                   13.969(9)
_cell_length_b                   15.832(11)
_cell_length_c                   17.957(9)
_cell_measurement_reflns_used    867
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      60.195
_cell_measurement_theta_min      4.766
_cell_volume                     3776(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'SHELXTL 5, XP (Sheldrick, 1994)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      90(2)
_diffrn_detector_area_resol_mean 8.3
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker SMART 1000'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0568
_diffrn_reflns_av_sigmaI/netI    0.0988
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            34218
_diffrn_reflns_theta_full        25.25
_diffrn_reflns_theta_max         25.25
_diffrn_reflns_theta_min         1.19
_diffrn_standards_interval_time
;
frames measured at beginning and end of data collection 
;
_diffrn_standards_number         '50 frames remeasured'
_exptl_absorpt_coefficient_mu    1.573
_exptl_absorpt_correction_T_max  0.7336
_exptl_absorpt_correction_T_min  0.5938
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.331
_exptl_crystal_description       block
_exptl_crystal_F_000             1564
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.21
_refine_diff_density_max         2.999
_refine_diff_density_min         -1.790
_refine_diff_density_rms         0.143
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     795
_refine_ls_number_reflns         13493
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0722
_refine_ls_R_factor_gt           0.0604
_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^)+(0.0490P)^2^+14.7617P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1466
_refine_ls_wR_factor_ref         0.1577
_reflns_number_gt                11564
_reflns_number_total             13493
_reflns_threshold_expression     I>2/s(I)
_cod_data_source_file            ja028579jsi20021203_051449.cif
_cod_data_source_block           adp62
_cod_database_code               4113517