Heterobimetallic lithium alkyltriimido aluminate cages containing the [R?Al(NR)3]4? tetraanion (R? = Bun, Et; R = 2-OMeC6H4)Electronic supplementary information (ESI) available: syntheses of 1?4. See http://www.rsc.org/suppdata/cc/b3/b307589c/
Copsey, May C.; Jeffery, John C.; Russell, Christopher A.; Slattery, John M.; Straughan, Jennifer A.; Chemical Communications  (2003) 2356–; doi:10.1039/b307589c

data_7111300
_publ_section_title
;
 Heterobimetallic lithium alkyltriimido aluminate cages containing the
 [R?Al(NR)3]4? tetraanion (R? = Bun, Et; R = 2-OMeC6H4)Electronic
 supplementary information (ESI) available: syntheses of 1?4. See
 http://www.rsc.org/suppdata/cc/b3/b307589c/
;
_journal_issue                   18
_journal_name_full               'Chemical Communications'
_journal_page_first              2356
_journal_paper_doi               10.1039/b307589c
_journal_year                    2003
_chemical_formula_sum            'C52 H54 B2 Li4 N4 O7'
_chemical_formula_weight         896.39
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 107.21(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.980(3)
_cell_length_b                   14.215(3)
_cell_length_c                   21.294(4)
_cell_measurement_temperature    373(2)
_cell_volume                     4909.6(18)
_computing_cell_refinement       'SAINT (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SHELXTL (Bruker, 2001)'
_computing_molecular_graphics    'SHELXTL (Bruker, 2001)'
_computing_publication_material  'SHELXTL (Bruker, 2001)'
_computing_structure_refinement  'SHELXTL (Bruker, 2001)'
_computing_structure_solution    'SHELXTL (Bruker, 2001)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 'frames each covering 0.3\% in\w'
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'SMART (Bruker, 2001)'
_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  0.0288
_diffrn_reflns_av_sigmaI/netI    0.0232
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            27513
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.90
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.987945
_exptl_absorpt_correction_T_min  0.867524
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.213
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Blocks
_exptl_crystal_F_000             1888
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.506
_refine_diff_density_min         -0.256
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     328
_refine_ls_number_reflns         5640
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.0631
_refine_ls_R_factor_gt           0.0511
_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^)+(0.0981P)^2^+1.2470P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1459
_refine_ls_wR_factor_ref         0.1536
_reflns_number_gt                4459
_reflns_number_total             5640
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b307589csup1.cif
_cod_data_source_block           xanderm
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        4909.6(17)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7111300