Stepwise synthesis and characterization of germa[4], [5], [8], and [10]pericyclynes.
Tanimoto, Hiroki; Nagao, Tomohiko; Fujiwara, Taro; Nishiyama, Yasuhiro; Morimoto, Tsumoru; Suzuka, Toshimasa; Tsutsumi, Ken; Kakiuchi, Kiyomi; Dalton transactions (Cambridge, England : 2003) 44 (2015) 11811–11818; doi:10.1039/c5dt01411e

data_7035214
_publ_section_title
;
 Stepwise synthesis and characterization of germa[4], [5], [8], and
 [10]pericyclynes.
;
_journal_issue                   26
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11811
_journal_page_last               11818
_journal_paper_doi               10.1039/c5dt01411e
_journal_volume                  44
_journal_year                    2015
_chemical_formula_moiety         'C70 H50 Ge5'
_chemical_formula_sum            'C70 H50 Ge5'
_chemical_formula_weight         1254.12
_chemical_name_systematic        PhGe5
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014
_audit_update_record
;
2015-05-12 deposited with the CCDC.
2015-05-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 103.9890(10)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   17.5446(3)
_cell_length_b                   25.9092(5)
_cell_length_c                   27.6526(5)
_cell_measurement_reflns_used    69917
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      25.39
_cell_measurement_theta_min      3.04
_cell_volume                     12197.1(4)
_computing_cell_refinement       'RAPID AUTO'
_computing_data_collection       'RAPID AUTO (Rigaku, ????)'
_computing_data_reduction        'RAPID AUTO'
_computing_molecular_graphics    'CrystalStructure 4.1'
_computing_publication_material  'CrystalStructure 4.1 (Rigaku, 2014)'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'SIR2011 (Burla, et al., 2012)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku R-AXIS RAPID'
_diffrn_measurement_method       \w
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.1199
_diffrn_reflns_av_unetI/netI     0.0712
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            172747
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.351
_diffrn_reflns_theta_min         3.037
_exptl_absorpt_coefficient_mu    2.564
_exptl_absorpt_correction_T_max  0.952
_exptl_absorpt_correction_T_min  0.494
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR (Rigaku, 1995)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.443
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             5312
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.030
_exptl_crystal_size_min          0.020
_refine_diff_density_max         0.859
_refine_diff_density_min         -0.819
_refine_diff_density_rms         0.098
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1436
_refine_ls_number_reflns         22297
_refine_ls_number_restraints     36
_refine_ls_restrained_S_all      1.083
_refine_ls_R_factor_all          0.1209
_refine_ls_R_factor_gt           0.0760
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0696P)^2^+42.9906P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1746
_refine_ls_wR_factor_ref         0.1948
_reflns_Friedel_coverage         0.000
_reflns_number_gt                14811
_reflns_number_total             22297
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5dt01411e2.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
'Adding full bibliography for 7035212--7035215.cif.'
_cod_original_cell_volume        12197.2(4)
_cod_database_code               7035214
_shelx_estimated_absorpt_t_min   0.628
_shelx_estimated_absorpt_t_max   0.951
_shelxl_version_number           2014-3
_shelx_res_checksum              6316
_platon_squeeze_void_probe_radius 1.20