Syntheses and Structural Characterization of a LAl(N3)N[μ-Si(N3)(tBu)]2NAl(N3)L and a Monomeric Aluminum Hydride Amide LAlH(NHAr) (L = HC[(CMe)(NAr)]2, Ar = 2,6-iPr2C6H3)
Zhu, Hongping; Yang, Zhi; Magull, Jörg; Roesky, Herbert W.; Schmidt, Hans-Georg; Noltemeyer, Mathias; Organometallics 24 (2005) 6420–; doi:10.1021/om050698v

data_4076165
_publ_section_title
;
 Syntheses and Structural Characterization of a
 LAl(N3)N[\m-Si(N3)(tBu)]2NAl(N3)L and a Monomeric Aluminum Hydride Amide
 LAlH(NHAr) (L = HC[(CMe)(NAr)]2, Ar = 2,6-iPr2C6H3)
;
_journal_issue                   26
_journal_name_full               Organometallics
_journal_page_first              6420
_journal_paper_doi               10.1021/om050698v
_journal_volume                  24
_journal_year                    2005
_chemical_formula_sum            'C53 H81 Al N6 O'
_chemical_formula_weight         845.22
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   17.4129(4)
_cell_length_b                   21.1733(5)
_cell_length_c                   26.7744(6)
_cell_measurement_temperature    133(2)
_cell_volume                     9871.4(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  IPDS2
_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  0.0571
_diffrn_reflns_av_sigmaI/netI    0.0256
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            91750
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.52
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.137
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             3696
_refine_diff_density_max         0.203
_refine_diff_density_min         -0.265
_refine_diff_density_rms         0.041
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    'refined as a riding model'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     562
_refine_ls_number_reflns         8688
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0586
_refine_ls_R_factor_gt           0.0418
_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^)+(0.0727P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1057
_refine_ls_wR_factor_ref         0.1124
_reflns_number_gt                6636
_reflns_number_total             8688
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om050698vsi20050926_055536.cif
_cod_data_source_block           compound_1
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               4076165