Studies of the Ligand Effect on the Synthesis of Dialuminoxanes by Various β-Diketiminato Ligands
Ying Yang; Haipu Li; Chen Wang; Herbert W. Roesky; Inorganic Chemistry 51 (2012) 2204–2211; doi:10.1021/ic2021879

data_4328334
_publ_contact_author
;
Herbert W. ROESKY
;
_publ_contact_author_address
;
Institut fuer Anorganische Chemie
Universitaet Goettingen
Tammannstrasse 4, 37077 Goettingen (Germany)
;
_publ_contact_author_email       hroesky@gwdg.de
_publ_section_title
;
 Studies of the Ligand Effect on the Synthesis of Dialuminoxanes by
 Various \b-Diketiminato Ligands
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              2204
_journal_page_last               2211
_journal_paper_doi               10.1021/ic2021879
_journal_volume                  51
_journal_year                    2012
_chemical_formula_sum            'C21 H27 Al N2'
_chemical_formula_weight         334.43
_chemical_name_common            LAlH2
_chemical_name_systematic
; 
 ? 
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_space_group_IT_number           60
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_cell_measurement_temperature    173(2)
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_computing_cell_refinement
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.44 (release 25-10-2010 CrysAlis171 .NET)
(compiled Oct 25 2010,18:11:34)
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_computing_data_collection
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.44 (release 25-10-2010 CrysAlis171 .NET)
(compiled Oct 25 2010,18:11:34)
;
_computing_data_reduction
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.44 (release 25-10-2010 CrysAlis171 .NET)
(compiled Oct 25 2010,18:11:34)
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_computing_molecular_graphics    'Bruker SHELXTL'
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_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 16.1903
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Xcalibur, Sapphire3, Gemini ultra'
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_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -26
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_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            13231
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_diffrn_reflns_theta_max         26.37
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_exptl_absorpt_coefficient_mu    0.108
_exptl_absorpt_correction_T_max  0.9893
_exptl_absorpt_correction_T_min  0.9382
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CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.34.44 (release 25-10-2010 CrysAlis171 .NET)
(compiled Oct 25 2010,18:11:34)
empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.136
_exptl_crystal_description       Block
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.257
_refine_diff_density_min         -0.333
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     117
_refine_ls_number_reflns         1993
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0594
_refine_ls_R_factor_gt           0.0468
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0429P)^2^+1.2034P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1091
_refine_ls_wR_factor_ref         0.1148
_reflns_number_gt                1650
_reflns_number_total             1993
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic2021879_si_002_07.cif
_cod_data_source_block           compound11
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