Flexible coordination of the carboxylate ligand in tin(II) amides and a 1,3-diaza-2,4-distannacyclobutanediyl.
Dickie, Diane A.; Lee, Peter T. K.; Labeodan, Ojisamola A.; Schatte, Gabriele; Weinberg, Noham; Lewis, Andrew R.; Bernard, Guy M.; Wasylishen, Roderick E.; Clyburne, Jason A. C.; Dalton transactions (Cambridge, England : 2003)  (2007) 2862–2869; doi:10.1039/b704588c

data_7005700
_publ_section_title
;
 Flexible coordination of the carboxylate ligand in tin(II) amides and
 a 1,3-diaza-2,4-distannacyclobutanediyl.
;
_journal_issue                   27
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2862
_journal_page_last               2869
_journal_paper_doi               10.1039/b704588c
_journal_year                    2007
_chemical_formula_moiety         'C56 H68 N2 O4 Si2 Sn2, C4 H10 O'
_chemical_formula_sum            'C60 H78 N2 O5 Si2 Sn2'
_chemical_formula_weight         1200.80
_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                77.2409(16)
_cell_angle_beta                 75.5426(16)
_cell_angle_gamma                87.3334(17)
_cell_formula_units_Z            1
_cell_length_a                   10.8922(3)
_cell_length_b                   11.7957(3)
_cell_length_c                   12.3240(3)
_cell_measurement_reflns_used    20318
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      0.998
_cell_volume                     1495.34(7)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1998)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al., 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device       'Nonius KappaCCD'
_diffrn_measurement_method       '\f scans and \w scans with \k offsets'
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0843
_diffrn_reflns_av_sigmaI/netI    0.0631
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            25297
_diffrn_reflns_theta_full        27.62
_diffrn_reflns_theta_max         27.62
_diffrn_reflns_theta_min         2.26
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.922
_exptl_absorpt_correction_T_max  0.831
_exptl_absorpt_correction_T_min  0.740
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   'Shelxtl 6.10 (Bruker-AXS, 2000)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.333
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       chip
_exptl_crystal_F_000             620
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.771
_refine_diff_density_min         -1.105
_refine_diff_density_rms         0.140
_refine_ls_extinction_coef       0.0061(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     353
_refine_ls_number_reflns         6863
_refine_ls_number_restraints     35
_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0567
_refine_ls_R_factor_gt           0.0427
_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^)+(0.0351P)^2^+1.9364P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0920
_refine_ls_wR_factor_ref         0.0999
_reflns_number_gt                5809
_reflns_number_total             6863
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            b704588c.txt
_cod_data_source_block           8_Et2O
_cod_database_code               7005700