Specific insertion reactions of a germylene, stannylene and plumbylene into the unique P‒P bond of the hexaphospha-pentaprismane cage, P6C4tBu4: Crystal and molecular structures of P6C4tBu4ER2 (E = Ge, Sn, R = N(SiMe3)2; E = Pb, R = (C6H3(NMe2)2 -2,6)
Al-Ktaifani, Mahmoud M.; Hitchcock, Peter B.; Lappert, Michael F.; Nixon, John F.; Uiterweerd, Philip; Dalton Transactions  (2008) 2825–2831; doi:10.1039/b800458g

data_7003836
_publ_section_title
;
 Specific insertion reactions of a germylene, stannylene and plumbylene
 into the unique P--P bond of the hexaphospha-pentaprismane cage,
 P6C4tBu4: Crystal and molecular structures of P6C4tBu4ER2 (E = Ge, Sn,
 R = N(SiMe3)2; E = Pb, R = (C6H3(NMe2)2 -2,6)
;
_journal_issue                   21
_journal_name_full               'Dalton Transactions'
_journal_page_first              2825
_journal_page_last               2831
_journal_paper_doi               10.1039/b800458g
_journal_year                    2008
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C32 H72 N2 P6 Si4 Sn'
_chemical_formula_sum            'C32 H72 N2 P6 Si4 Sn'
_chemical_formula_weight         901.79
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/cifdics/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.1
_audit_creation_date             2000-09-13T16:25:32-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                114.191(7)
_cell_angle_beta                 93.524(5)
_cell_angle_gamma                94.335(9)
_cell_formula_units_Z            2
_cell_length_a                   11.9453(17)
_cell_length_b                   13.7446(14)
_cell_length_c                   15.126(2)
_cell_measurement_reflns_used    18767
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      22.986
_cell_measurement_theta_min      3.705
_cell_measurement_wavelength     0.71073
_cell_volume                     2247.2(5)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device       KappaCCD
_diffrn_measurement_method       CCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0956
_diffrn_reflns_av_unetI/netI     0.1342
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            13494
_diffrn_reflns_theta_full        23.02
_diffrn_reflns_theta_max         23.02
_diffrn_reflns_theta_min         3.76
_exptl_absorpt_coefficient_mu    0.913
_exptl_absorpt_correction_T_max  0.982
_exptl_absorpt_correction_T_min  0.711
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
[c.f. r.h. blessing, acta cryst. (1995), a51, 33-38]
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.333
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       'very fine needle'
_exptl_crystal_F_000             948
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.657
_refine_diff_density_min         -1.019
_refine_diff_density_rms         0.114
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     419
_refine_ls_number_reflns         6186
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.1024
_refine_ls_R_factor_gt           0.0607
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0369P)^2^+0.9339P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1202
_refine_ls_wR_factor_ref         0.1356
_reflns_number_gt                4261
_reflns_number_total             6186
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b800458g.txt
_cod_data_source_block           sep1700
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7003836