Reactivity of lithium n-butyl amidinates towards group 14 metal(ii) chlorides providing series of hetero- and homoleptic tetrylenes.
Chlupatý, Tomáš; Padělková, Zdeňka; Lyčka, Antonín; Brus, Jiří; Růžička, Aleš; Dalton transactions (Cambridge, England : 2003) 41 (2012) 5010–5019; doi:10.1039/c2dt12472f

data_7018746
_publ_section_title
;
 Reactivity of lithium n-butyl amidinates towards group 14 metal(ii)
 chlorides providing series of hetero- and homoleptic tetrylenes.
;
_journal_issue                   16
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5010
_journal_page_last               5019
_journal_paper_doi               10.1039/c2dt12472f
_journal_volume                  41
_journal_year                    2012
_chemical_formula_moiety         'C29 H43 Cl Ge N2, 0.17(C4 H10 O)'
_chemical_formula_sum            'C29.67 H44.67 Cl Ge N2 O0.17'
_chemical_formula_weight         540.05
_chemical_name_systematic
;
?
;
_space_group_IT_number           148
_symmetry_cell_setting           hexagonal
_symmetry_space_group_name_Hall  '-R 3'
_symmetry_space_group_name_H-M   'R -3 :H'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_formula_units_Z            18
_cell_length_a                   40.6731(2)
_cell_length_b                   40.6731(2)
_cell_length_c                   9.5350(4)
_cell_measurement_reflns_used    31714
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1
_cell_volume                     13660.5(6)
_computing_cell_refinement       'COLLECT and DENZO'
_computing_data_collection
'COLLECT (Hooft, 1998) and DENZO (Otwinowski & Minor, 1997)'
_computing_data_reduction        'COLLECT and DENZO'
_computing_molecular_graphics    'PLATON (Spek, 2003)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      150(1)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.968
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker Nonius KappaCCD area detector'
_diffrn_measurement_method       '\f and \w scans to fill the Ewald sphere'
_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  0.0826
_diffrn_reflns_av_sigmaI/netI    0.0683
_diffrn_reflns_limit_h_max       47
_diffrn_reflns_limit_h_min       -52
_diffrn_reflns_limit_k_max       52
_diffrn_reflns_limit_k_min       -41
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            31427
_diffrn_reflns_theta_full        27.40
_diffrn_reflns_theta_max         27.40
_diffrn_reflns_theta_min         1.73
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.114
_exptl_absorpt_correction_T_max  0.890
_exptl_absorpt_correction_T_min  0.732
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
;
Gaussian integration (Coppens, 1970)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.155
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             5040
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.15
_platon_squeeze_details
;
;
_refine_diff_density_max         0.476
_refine_diff_density_min         -1.218
_refine_diff_density_rms         0.079
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.076
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     312
_refine_ls_number_reflns         6764
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.1127
_refine_ls_R_factor_gt           0.0675
_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^)+(0.0372P)^2^+69.4330P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1210
_refine_ls_wR_factor_ref         0.1372
_reflns_number_gt                4520
_reflns_number_total             6764
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt12472f.txt
_cod_data_source_block           shelxle
_cod_original_cell_volume        13660.5(7)
_cod_original_sg_symbol_H-M      'R -3'
_cod_database_code               7018746