Benzannulated N-heterocyclic germylenes and stannylenes with sterically demanding N,N'-substituents.
Krupski, Sergei; Pöttgen, Rainer; Schellenberg, Inga; Hahn, F. Ekkehardt; Dalton transactions (Cambridge, England : 2003) 43 (2014) 173–181; doi:10.1039/c3dt51961a

data_7029266
_publ_section_title
;
 Benzannulated N-heterocyclic germylenes and stannylenes with sterically
 demanding N,N'-substituents.
;
_journal_issue                   1
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              173
_journal_page_last               181
_journal_paper_doi               10.1039/c3dt51961a
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C38 H59 Li N2 O2 Sn'
_chemical_formula_sum            'C38 H59 Li N2 O2 Sn'
_chemical_formula_weight         701.50
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                97.0290(10)
_cell_angle_beta                 95.4150(10)
_cell_angle_gamma                94.3510(10)
_cell_formula_units_Z            2
_cell_length_a                   10.7805(4)
_cell_length_b                   11.2513(4)
_cell_length_c                   14.5939(6)
_cell_measurement_reflns_used    900
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      22.5
_cell_measurement_theta_min      1
_cell_volume                     1742.16(11)
_computing_cell_refinement       'APEX2(Bruker AXS, 2007)'
_computing_data_collection       'APEX2(Bruker AXS, 2007)'
_computing_data_reduction        'SAINT,SADABS (Bruker AXS, 2007 )'
_computing_molecular_graphics
;
ORTEP3,L.J. Farrugia, J. Appl. Cryst. (1997) 30, 565
;
_computing_structure_refinement
;
SHELXL-97, G. M. Sheldrick, Acta Cryst. (2008) A64, 112-122
;
_computing_structure_solution
;
SHELXS-97 , G. M. Sheldrick, Acta Cryst. (2008) A64, 112-122
;
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 80
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'Omega and Phi scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0160
_diffrn_reflns_av_sigmaI/netI    0.0252
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            20483
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         30.00
_diffrn_reflns_theta_min         1.41
_exptl_absorpt_coefficient_mu    0.768
_exptl_absorpt_correction_T_max  0.9773
_exptl_absorpt_correction_T_min  0.8805
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
 Corrections were done with the SADABS program, utilizing the none merged
 raw data obtained from the integration process. Integration and final cell
 refinement were done with SAINT.
 
 SADABS reports ratio of Tmin/Tmax = 0.826233   
 
;
_exptl_crystal_colour            'intens orange'
_exptl_crystal_density_diffrn    1.337
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'transparent plate'
_exptl_crystal_F_000             740
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.03
_refine_diff_density_max         4.596
_refine_diff_density_min         -0.285
_refine_diff_density_rms         0.115
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     431
_refine_ls_number_reflns         10073
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.0441
_refine_ls_R_factor_gt           0.0391
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0651P)^2^+1.5245P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1068
_refine_ls_wR_factor_ref         0.1104
_reflns_number_gt                9091
_reflns_number_total             10073
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt51961a.txt
_cod_data_source_block           shelxl
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7029266