Synthesis and structural characterisation of primary amine adducts of gallane, RH2N.GaH3, and of their decomposition products, [RHNGaH2]n(R = Me, n= 3; R =tBu, n= 2).
Marchant, Sarah; Tang, Christina Y.; Downs, Anthony J.; Greene, Tim M.; Himmel, Hans-Jörg; Parsons, Simon; Dalton transactions (Cambridge, England : 2003)  (2005) 3281–3290; doi:10.1039/b508057f

data_7000102
_publ_section_title
;
 Synthesis and structural characterisation of primary amine adducts of
 gallane, RH2N.GaH3, and of their decomposition products, [RHNGaH2]n(R
 = Me, n= 3; R =tBu, n= 2).
;
_journal_issue                   20
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3281
_journal_page_last               3290
_journal_paper_doi               10.1039/b508057f
_journal_year                    2005
_chemical_formula_moiety         'C8 H24 Ga2 N2'
_chemical_formula_sum            'C8 H24 Ga2 N2'
_chemical_formula_weight         287.73
_space_group_IT_number           56
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ab 2ac'
_symmetry_space_group_name_H-M   'P c c n'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     Patterson
_audit_creation_date             05-05-06
_audit_creation_method           CRYSTALS_ver_12.80
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.0630(15)
_cell_length_b                   16.964(2)
_cell_length_c                   7.9590(11)
_cell_measurement_reflns_used    3025
_cell_measurement_temperature    150
_cell_measurement_theta_max      29
_cell_measurement_theta_min      2
_cell_volume                     1358.7(3)
_computing_cell_refinement       'SAINT (Siemens ,1995)'
_computing_data_collection       'SMART (Siemens, 1993)'
_computing_data_reduction        'SAINT (Siemens ,1995)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'DIRDIF-96 (Beurskens et al., 1996)'
_diffrn_ambient_temperature      150
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.942
_diffrn_measurement_device_type  'Bruker SMART'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.023
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -7
_diffrn_reflns_number            8661
_diffrn_reflns_theta_full        27.444
_diffrn_reflns_theta_max         28.888
_diffrn_reflns_theta_min         2.353
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.929
_exptl_absorpt_correction_T_max  0.53
_exptl_absorpt_correction_T_min  0.42
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Siemens, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.407
_exptl_crystal_description       block
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.92
_refine_diff_density_min         -1.41
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.0699
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     55
_refine_ls_number_reflns         1689
_refine_ls_number_restraints     3
_refine_ls_R_factor_all          0.0767
_refine_ls_R_factor_gt           0.0604
_refine_ls_shift/su_max          0.000038
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
w=1/[\s^2^(F^2^) + 0.05 + 3.53P]
where P=(max(Fo^2^,0) + 2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.1362
_refine_ls_wR_factor_gt          0.1294
_refine_ls_wR_factor_ref         0.1362
_reflns_limit_h_max              13
_reflns_limit_h_min              0
_reflns_limit_k_max              23
_reflns_limit_k_min              0
_reflns_limit_l_max              10
_reflns_limit_l_min              0
_reflns_number_gt                1346
_reflns_number_total             1693
_reflns_threshold_expression     I>2.00u(I)
_oxford_diffrn_Wilson_B_factor   0.00
_oxford_diffrn_Wilson_scale      0.00
_oxford_refine_ls_scale          0.2712(5)
_oxford_structure_analysis_title 'TBUGA2 in Pccn'
_cod_data_source_file            b508057f.txt
_cod_data_source_block           tbuga2
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P c c n '
_cod_database_code               7000102