Synthesis and Calorimetric, Spectroscopic, and Structural Characterization of Isocyanide Complexes of Trialkylaluminum and Tri-tert-butylgallium
Nicholas B. Kingsley; Kristin Kirschbaum; Joseph A. Teprovich; Robert A. Flowers; Mark R. Mason; Inorganic Chemistry 51 (2012) 2494–2502; doi:10.1021/ic202427z

data_4328409
_publ_contact_author
;
     Professor Mark R. Mason
     Department of Chemistry
     MS 602
     University of Toledo
     Toledo
     OH 43606
     USA
;
_publ_contact_author_email       mmason5@utoledo.edu
_publ_contact_author_fax         '(419) 530-4033'
_publ_contact_author_phone       '(419) 530-1532'
_publ_section_title
;
 Synthesis and Calorimetric, Spectroscopic, and Structural
 Characterization of Isocyanide Complexes of Trialkylaluminum and
 Tri-tert-butylgallium
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2494
_journal_page_last               2502
_journal_paper_doi               10.1021/ic202427z
_journal_volume                  51
_journal_year                    2012
_chemical_formula_moiety         'C17 H36 Al N'
_chemical_formula_sum            'C17 H36 Al N'
_chemical_formula_weight         281.45
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 106.540(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   16.2302(11)
_cell_length_b                   12.2005(8)
_cell_length_c                   21.0379(15)
_cell_measurement_reflns_used    5410
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      34.0
_cell_measurement_theta_min      2.6
_cell_volume                     3993.5(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      140(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker platform with Smart6000 CCD'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0304
_diffrn_reflns_av_sigmaI/netI    0.0321
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            26764
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.31
_exptl_absorpt_coefficient_mu    0.093
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.896
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS;Sheldrick1996;Blessing,ActaC.1995,A51,33
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    0.936
_exptl_crystal_description       cube
_exptl_crystal_F_000             1264
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.324
_refine_diff_density_min         -0.191
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.028
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     631
_refine_ls_number_reflns         7825
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0717
_refine_ls_R_factor_gt           0.0404
_refine_ls_shift/su_max          0.028
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0641P)^2^+0.0882P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1044
_refine_ls_wR_factor_ref         0.1220
_reflns_number_gt                5050
_reflns_number_total             7825
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic202427z_si_001_1.cif
_cod_data_source_block           4
_cod_database_code               4328409