Oxidative Addition of σ Bonds to an Al(I) Center.
Chu, Terry; Korobkov, Ilia; Nikonov, Georgii I.; Journal of the American Chemical Society 136 (2014) 9195–9202; doi:10.1021/ja5038337

data_4122028
_publ_section_title
;
 Oxidative Addition of \s Bonds to an Al(I) Center.
;
_journal_issue                   25
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9195
_journal_page_last               9202
_journal_paper_doi               10.1021/ja5038337
_journal_volume                  136
_journal_year                    2014
_chemical_formula_sum            'C35 H49 Al N2 O0.25 Si'
_chemical_formula_weight         556.83
_chemical_name_systematic
; 
 ? 
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 93.418(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.6330(5)
_cell_length_b                   16.9749(8)
_cell_length_c                   20.9503(10)
_cell_measurement_reflns_used    6051
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      26.80
_cell_measurement_theta_min      2.28
_cell_volume                     3419.7(3)
_computing_cell_refinement       'APEX II, Bruker (2009)'
_computing_data_collection       'APEX II, Bruker (2009)'
_computing_data_reduction        'XPREP, Bruker (2009)'
_computing_molecular_graphics    'SHELXTL, Bruker (2004)'
_computing_publication_material  'SHELXTL, Bruker (2004)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-03 (Sheldrick, 2003)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0406
_diffrn_reflns_av_unetI/netI     0.0496
_diffrn_reflns_Laue_measured_fraction_full 0.992
_diffrn_reflns_Laue_measured_fraction_max 0.980
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            26467
_diffrn_reflns_point_group_measured_fraction_full 0.992
_diffrn_reflns_point_group_measured_fraction_max 0.980
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.312
_diffrn_reflns_theta_min         2.278
_exptl_absorpt_coefficient_mu    0.119
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6834
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker (2003)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.082
_exptl_crystal_density_meas      ?
_exptl_crystal_description       block
_exptl_crystal_F_000             1208
_exptl_crystal_size_max          0.190
_exptl_crystal_size_mid          0.140
_exptl_crystal_size_min          0.120
_refine_diff_density_max         0.306
_refine_diff_density_min         -0.173
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     377
_refine_ls_number_reflns         8338
_refine_ls_number_restraints     26
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0898
_refine_ls_R_factor_gt           0.0488
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0683P)^2^+0.0213P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1168
_refine_ls_wR_factor_ref         0.1326
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5393
_reflns_number_total             8338
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja5038337_si_002.cif
_cod_data_source_block           gn014
_cod_depositor_comments
;Adding full bibliography for 4122022--4122029.cif.

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'n/a' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_database_code               4122028
_shelx_estimated_absorpt_t_min   0.978
_shelx_estimated_absorpt_t_max   0.986
_shelxl_version_number           2013-4
_shelx_res_checksum              36023
_shelx_hkl_checksum              '50025 END'