Syntheses and Structures of Bis(azido)- and Bis(tert-butoxy)cyclodistibazanes
Dana C. Haagenson; Lothar Stahl; Richard J. Staples; Inorganic Chemistry 40 (2001) 4491–4493; doi:10.1021/ic010247c

data_4320094
_publ_section_title
;
 Syntheses and Structures of Bis(azido)- and
 Bis(tert-butoxy)cyclodistibazanes
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4491
_journal_page_last               4493
_journal_paper_doi               10.1021/ic010247c
_journal_volume                  40
_journal_year                    2001
_chemical_formula_sum            'C16 H36 N2 O2 Sb2'
_chemical_formula_weight         531.97
_chemical_name_systematic
;
  Bis(azido)-cyclodistibazanes
;
_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   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 109.995(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   11.2460(3)
_cell_length_b                   8.9360(2)
_cell_length_c                   11.9637(1)
_cell_measurement_reflns_used    123
_cell_measurement_temperature    213(2)
_cell_measurement_theta_max      19.87
_cell_measurement_theta_min      2.45
_cell_volume                     1129.81(4)
_computing_cell_refinement       'SMART (Bruker, V4.050, 1995)'
_computing_data_collection       'ASTRO (Bruker, V4.050, 1995)'
_computing_data_reduction        'SAINT (Bruker, V5.A06, 1997)'
_computing_molecular_graphics    'SHELXTL (Bruker, 1998, ver 5.10)'
_computing_publication_material  'CIFTAB (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      213(2)
_diffrn_measured_fraction_theta_full 0.976
_diffrn_measured_fraction_theta_max 0.976
_diffrn_measurement_method       '\w, 0.3 deg'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'normal-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0247
_diffrn_reflns_av_sigmaI/netI    0.0220
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            7179
_diffrn_reflns_theta_full        28.23
_diffrn_reflns_theta_max         28.23
_diffrn_reflns_theta_min         2.99
_diffrn_standards_decay_%        <1
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.399
_exptl_absorpt_correction_T_max  0.942284
_exptl_absorpt_correction_T_min  0.341427
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.564
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.12
_refine_diff_density_max         1.179
_refine_diff_density_min         -0.689
_refine_diff_density_rms         0.116
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     100
_refine_ls_number_reflns         2720
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0339
_refine_ls_R_factor_gt           0.0309
_refine_ls_shift/su_max          0.034
_refine_ls_shift/su_mean         0.004
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0527P)^2^+1.2414P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0874
_refine_ls_wR_factor_ref         0.0901
_reflns_number_gt                2471
_reflns_number_total             2720
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic010247c_1.cif
_cod_data_source_block           ls36_Compound_2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Empirical'
changed to 'empirical' according to the built-in table from CIF Core
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 
;
_cod_database_code               4320094