Organo-aluminium and -gallium complexes with ω-NH-functional alkoxide ligands
Willner, Alexander; Hepp, Alexander; Mitzel, Norbert W.; Dalton Transactions  (2008) 6832–6842; doi:10.1039/b811792f

data_7004764
_publ_section_title
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 Organo-aluminium and -gallium complexes with \w-NH-functional alkoxide
 ligands
;
_journal_issue                   47
_journal_name_full               'Dalton Transactions'
_journal_page_first              6832
_journal_page_last               6842
_journal_paper_doi               10.1039/b811792f
_journal_year                    2008
_chemical_formula_sum            'C30 H68 Ga2 N2 O2'
_chemical_formula_weight         628.30
_chemical_name_common
;
Bis-(mu2-O-(2-(tert.-butylamino)-1-propanolato-O)) -tetrakis-
(tert.-butyl)digallium
;
_chemical_name_systematic
;
Bis-{mu2-O-[2-(tert.-butylamino)-1-propanolato-O]}
-tetrakis-(tert.-butyl)digallium
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 107.305(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   24.362(3)
_cell_length_b                   11.1489(15)
_cell_length_c                   27.184(4)
_cell_measurement_reflns_used    900
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      22.5
_cell_measurement_theta_min      1
_cell_volume                     7049.2(17)
_computing_cell_refinement       'SAINT (Bruker AXS, 2000)'
_computing_data_collection       'SMART (Bruker AXS, 2000)'
_computing_data_reduction        'SAINT and SADABS (Bruker AXS, 2000)'
_computing_molecular_graphics
;
ORTEP3, L.J. Farrugia, J. Appl. Cryst. (1997) 30, 565
;
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 80
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0683
_diffrn_reflns_av_sigmaI/netI    0.0690
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -34
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       37
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            40001
_diffrn_reflns_theta_full        30.11
_diffrn_reflns_theta_max         30.11
_diffrn_reflns_theta_min         1.57
_exptl_absorpt_coefficient_mu    1.554
_exptl_absorpt_correction_T_max  0.9405
_exptl_absorpt_correction_T_min  0.8355
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Corrections were done with the SADABS program, utilizing the none merged
raw data obtained from the integration process. Integration and final cell
refinement were done with SAINT.

SADABS reports ratio of Tmin/Tmax = 0.868454
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.184
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'transparent plates'
_exptl_crystal_F_000             2720
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.595
_refine_diff_density_min         -0.379
_refine_diff_density_rms         0.081
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     360
_refine_ls_number_reflns         10299
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.0743
_refine_ls_R_factor_gt           0.0456
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0357P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0873
_refine_ls_wR_factor_ref         0.0960
_reflns_number_gt                7530
_reflns_number_total             10299
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b811792f.txt
_cod_data_source_block           4d
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 
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_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7004764