New oligogermane with a five coordinate germanium atom: the preparation of 1-germylgermatrane.
Zaitsev, Kirill V.; Churakov, Andrei V.; Poleshchuk, Oleg Kh; Oprunenko, Yuri F.; Zaitseva, Galina S.; Karlov, Sergey S.; Dalton transactions (Cambridge, England : 2003) 43 (2014) 6605–6609; doi:10.1039/c3dt53523a

data_7029563
_publ_section_title
;
 New oligogermane with a five coordinate germanium atom: the preparation
 of 1-germylgermatrane.
;
_journal_issue                   18
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              6605
_journal_page_last               6609
_journal_paper_doi               10.1039/c3dt53523a
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C15 H39 Ge2 N O3 Si3'
_chemical_formula_sum            'C15 H39 Ge2 N O3 Si3'
_chemical_formula_weight         510.92
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           11
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yb'
_symmetry_space_group_name_H-M   'P 1 21/m 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                 102.683(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   11.3567(16)
_cell_length_b                   27.748(4)
_cell_length_c                   16.127(2)
_cell_measurement_reflns_used    3842
_cell_measurement_temperature    130(2)
_cell_measurement_theta_max      25.986
_cell_measurement_theta_min      2.352
_cell_volume                     4958.0(12)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      130(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker SMART APEX II'
_diffrn_measurement_method       \w
_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  0.0726
_diffrn_reflns_av_sigmaI/netI    0.0803
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            30945
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         1.49
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.582
_exptl_absorpt_correction_T_max  0.8817
_exptl_absorpt_correction_T_min  0.5113
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.369
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2128
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.321
_refine_diff_density_min         -0.668
_refine_diff_density_rms         0.130
_refine_ls_extinction_coef       0.00032(8)
_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   1.055
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     524
_refine_ls_number_reflns         9333
_refine_ls_number_restraints     204
_refine_ls_restrained_S_all      1.066
_refine_ls_R_factor_all          0.1066
_refine_ls_R_factor_gt           0.0592
_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^)+(0.0579P)^2^+5.6708P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1248
_refine_ls_wR_factor_ref         0.1391
_reflns_number_gt                5871
_reflns_number_total             9333
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c3dt53523a.txt
_cod_data_source_block           z
_cod_original_cell_volume        4957.8(12)
_cod_original_sg_symbol_H-M      'P 21/m'
_cod_database_code               7029563