Germylenes and stannylenes stabilized within N2PE rings (E = Ge or Sn): combined experimental and theoretical study.
Vrána, Jan; Ketkov, Sergey; Jambor, Roman; Růžička, Aleš; Lyčka, Antonín; Dostál, Libor; Dalton transactions (Cambridge, England : 2003) 45 (2016) 10343–10354; doi:10.1039/c6dt01616b

data_7039320
_publ_section_title
;
 Germylenes and stannylenes stabilized within N2PE rings (E = Ge or Sn):
 combined experimental and theoretical study.
;
_journal_issue                   25
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10343
_journal_page_last               10354
_journal_paper_doi               10.1039/c6dt01616b
_journal_volume                  45
_journal_year                    2016
_chemical_formula_moiety         'C28 H68 K2 N8 P2'
_chemical_formula_sum            'C28 H68 K2 N8 P2'
_chemical_formula_weight         657.04
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-02-02 deposited with the CCDC.
2016-05-18 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 105.712(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.5542(4)
_cell_length_b                   15.0050(2)
_cell_length_c                   19.2902(4)
_cell_measurement_reflns_used    12978
_cell_measurement_temperature    150(1)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      1
_cell_volume                     4055.30(16)
_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 0.980
_diffrn_measured_fraction_theta_max 0.980
_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  0.0239
_diffrn_reflns_av_sigmaI/netI    0.0246
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            12934
_diffrn_reflns_theta_full        27.06
_diffrn_reflns_theta_max         27.06
_diffrn_reflns_theta_min         1.99
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.339
_exptl_absorpt_correction_T_max  0.946
_exptl_absorpt_correction_T_min  0.902
_exptl_absorpt_correction_type   integration
_exptl_absorpt_process_details
;
Gaussian integration (Coppens, 1970)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.076
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1440
_exptl_crystal_size_max          0.52
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.419
_refine_diff_density_min         -0.229
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.100
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         4387
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.100
_refine_ls_R_factor_all          0.0479
_refine_ls_R_factor_gt           0.0344
_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^)+(0.0290P)^2^+4.8675P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0802
_refine_ls_wR_factor_ref         0.0908
_reflns_number_gt                3616
_reflns_number_total             4387
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6dt01616b2.cif
_cod_data_source_block           18
_cod_depositor_comments
'Adding full bibliography for 7039310--7039320.cif.'
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7039320