Synthesis of N-Heterocyclic Stannylene (Sn(II)) and Germylene (Ge(II)) and a Sn(II) Amidinate and Their Application as Precursors for Atomic Layer Deposition
Kim, Sang Bok; Sinsermsuksakul, Prasert; Hock, Adam S.; Pike, Robert D.; Gordon, Roy G.; Chemistry of Materials 26 (2014) 3065–; doi:10.1021/cm403901y

data_4001956
_publ_section_title
;
 Synthesis of N-Heterocyclic Stannylene (Sn(II)) and Germylene (Ge(II))
 and a Sn(II) Amidinate and Their Application as Precursors for Atomic
 Layer Deposition
;
_journal_issue                   10
_journal_name_full               'Chemistry of Materials'
_journal_page_first              3065
_journal_paper_doi               10.1021/cm403901y
_journal_volume                  26
_journal_year                    2014
_chemical_formula_moiety         'C16 H34 N4 Sn'
_chemical_formula_sum            'C16 H34 N4 Sn'
_chemical_formula_weight         401.16
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   12.6029(10)
_cell_length_b                   15.0179(12)
_cell_length_c                   20.6246(15)
_cell_measurement_reflns_used    2052
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.47
_cell_measurement_theta_min      2.89
_cell_volume                     3903.6(5)
_computing_cell_refinement       'SAINTPLUS (Bruker AXS, 2004)'
_computing_data_collection       'APEX2 (Bruker AXS, 2004)'
_computing_data_reduction        SAINTPLUS
_computing_molecular_graphics    'ORTEP3 (Farrugia, 1997)'
_computing_publication_material  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXLE (Hubschle, 2011)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.834
_diffrn_measured_fraction_theta_max 0.834
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_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  0.0284
_diffrn_reflns_av_sigmaI/netI    0.0381
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -3
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            6427
_diffrn_reflns_theta_full        25.65
_diffrn_reflns_theta_max         25.65
_diffrn_reflns_theta_min         2.33
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.310
_exptl_absorpt_correction_T_max  0.8099
_exptl_absorpt_correction_T_min  0.7073
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2004)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.365
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1664
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.368
_refine_diff_density_min         -0.395
_refine_diff_density_rms         0.075
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.001
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     200
_refine_ls_number_reflns         3082
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.0390
_refine_ls_R_factor_gt           0.0266
_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^)+(0.0257P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0549
_refine_ls_wR_factor_ref         0.0598
_reflns_number_gt                2451
_reflns_number_total             3082
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cm403901y_si_003.cif
_cod_data_source_block           sbk1201
_cod_depositor_comments
'Adding full bibliography for 4001956--4001957.cif.'
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               4001956