Synthesis and Structural Characterization of Aluminum Iminophosphonamide Complexes
Bijan Nekoueishahraki; Herbert W. Roesky; Gerald Schwab; Daniel Stern; Dietmar Stalke; Inorganic Chemistry 48 (2009) 9174–9179; doi:10.1021/ic9011179

data_4303267
_publ_section_title
;
Synthesis and Structural Characterization of Aluminum Iminophosphonamide
Complexes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9174
_journal_page_last               9179
_journal_paper_doi               10.1021/ic9011179
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'C22 H40 Al N4 P Si2'
_chemical_formula_weight         474.71
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 91.8650(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.2941(8)
_cell_length_b                   17.1485(12)
_cell_length_c                   14.4640(10)
_cell_measurement_reflns_used    9876
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.414
_cell_measurement_theta_min      2.160
_cell_volume                     2799.9(3)
_computing_cell_refinement       'SAINT V7.61A'
_computing_data_collection       'APEX2 v2.2-0'
_computing_data_reduction        'SAINT V7.61A'
_computing_molecular_graphics    'XP in SHLEXTL v6.10'
_computing_publication_material  'XP in SHLEXTL v6.10'
_computing_structure_refinement  'SHELXL in SHLEXTL v6.10'
_computing_structure_solution    'SHELXS in SHLEXTL v6.10'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'BRUKER SMART APEX2 with D8-Goniometer'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  'multilayer mirror optics'
_diffrn_radiation_source         'INCOATEC mirco sorce'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0392
_diffrn_reflns_av_sigmaI/netI    0.0179
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            72209
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         1.84
_exptl_absorpt_coefficient_mu    0.231
_exptl_absorpt_correction_T_max  0.4305
_exptl_absorpt_correction_T_min  0.3824
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS-2008/1
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.126
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1024
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.342
_refine_diff_density_min         -0.280
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.077
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     292
_refine_ls_number_reflns         6427
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.077
_refine_ls_R_factor_all          0.0448
_refine_ls_R_factor_gt           0.0361
_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^)+(0.0460P)^2^+0.9547P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0943
_refine_ls_wR_factor_ref         0.0989
_reflns_number_gt                5433
_reflns_number_total             6427
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic9011179_si_004.cif
_cod_data_source_block           p21n
_cod_database_code               4303267