Diorganotin(IV) 2-pyridyl selenolates: synthesis, structures and their utility as molecular precursors for the preparation of tin selenide nanocrystals and thin films.
Sharma, Rakesh K.; Kedarnath, G.; Wadawale, Amey; Betty, C. A.; Vishwanadh, B.; Jain, Vimal K.; Dalton transactions (Cambridge, England : 2003) 41 (2012) 12129–12138; doi:10.1039/c2dt31197f

data_7030177
_publ_section_title
;
 Diorganotin(IV) 2-pyridyl selenolates: synthesis, structures and their
 utility as molecular precursors for the preparation of tin selenide
 nanocrystals and thin films.
;
_journal_issue                   39
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12129
_journal_page_last               12138
_journal_paper_doi               10.1039/c2dt31197f
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C8 H12 Cl N Se Sn'
_chemical_formula_weight         355.29
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_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                 112.521(19)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.146(3)
_cell_length_b                   9.916(3)
_cell_length_c                   13.060(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      12.1
_cell_measurement_theta_min      7.9
_cell_volume                     1213.7(6)
_computing_cell_refinement       WinAFC
_computing_data_collection       WinAFC
_computing_data_reduction        CrystalStructure
_computing_molecular_graphics    'Ortep 3 for windows'
_computing_publication_material  'WinGX 1.70.01'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR92
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku AFC7S'
_diffrn_measurement_method       \w-2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0444
_diffrn_reflns_av_sigmaI/netI    0.1806
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            3354
_diffrn_reflns_theta_full        27.54
_diffrn_reflns_theta_max         27.54
_diffrn_reflns_theta_min         2.66
_diffrn_standards_decay_%        -8.05
_diffrn_standards_interval_count 150
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    5.279
_exptl_absorpt_correction_T_max  0.6203
_exptl_absorpt_correction_T_min  0.2266
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   '(North, Phillips & Mathews, 1968)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.944
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.613
_refine_diff_density_min         -1.109
_refine_diff_density_rms         0.148
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.910
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     112
_refine_ls_number_reflns         2797
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.910
_refine_ls_R_factor_all          0.2079
_refine_ls_R_factor_gt           0.0515
_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^)+(0.0169P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0858
_refine_ls_wR_factor_ref         0.1197
_reflns_number_gt                1028
_reflns_number_total             2797
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt31197f.txt
_cod_data_source_block           Sn(SepyMe)Me2Cl
_cod_original_cell_volume        1213.6(5)
_cod_database_code               7030177