Application of the Donor-Acceptor Concept to Intercept Low Oxidation State Group 14 Element Hydrides using a Wittig Reagent as a Lewis Base.
Swarnakar, Anindya K.; McDonald, Sean M.; Deutsch, Kelsey C.; Choi, Paul; Ferguson, Michael J.; McDonald, Robert; Rivard, Eric; Inorganic chemistry 53 (2014) 8662–8671; doi:10.1021/ic501265k

data_4340589
_publ_section_title
;
 Application of the Donor-Acceptor Concept to Intercept Low Oxidation
 State Group 14 Element Hydrides using a Wittig Reagent as a Lewis Base.
;
_journal_issue                   16
_journal_name_full               'Inorganic chemistry'
_journal_page_first              8662
_journal_page_last               8671
_journal_paper_doi               10.1021/ic501265k
_journal_volume                  53
_journal_year                    2014
_chemical_formula_moiety         'C21 H26 B Ge P, C4 H8 O'
_chemical_formula_sum            'C25 H34 B Ge O P'
_chemical_formula_weight         464.89
_chemical_name_common            5
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2013
_cell_angle_alpha                90
_cell_angle_beta                 128.5873(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   34.2302(9)
_cell_length_b                   7.9115(2)
_cell_length_c                   23.0344(6)
_cell_measurement_reflns_used    9823
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.14
_cell_measurement_theta_min      2.26
_cell_volume                     4876.0(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0188
_diffrn_reflns_av_unetI/netI     0.0159
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       44
_diffrn_reflns_limit_h_min       -44
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            22028
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.246
_diffrn_reflns_theta_min         1.522
_exptl_absorpt_coefficient_mu    1.335
_exptl_absorpt_correction_T_max  0.8788
_exptl_absorpt_correction_T_min  0.7962
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.267
_exptl_crystal_description       block
_exptl_crystal_F_000             1952
_exptl_crystal_size_max          0.191
_exptl_crystal_size_mid          0.179
_exptl_crystal_size_min          0.126
_refine_diff_density_max         0.858
_refine_diff_density_min         -0.394
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     284
_refine_ls_number_reflns         5986
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.035
_refine_ls_R_factor_all          0.0313
_refine_ls_R_factor_gt           0.0264
_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^)+(0.0406P)^2^+3.5580P] 
 where P=(Fo^2^+2Fc^2^)/3 
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0706
_refine_ls_wR_factor_ref         0.0735
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5317
_reflns_number_total             5986
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic501265k_si_002.cif
_cod_data_source_block           riv1386
_cod_depositor_comments
'Adding full bibliography for 4340585--4340595.cif.'
_cod_database_code               4340589
_shelx_estimated_absorpt_t_min   0.785
_shelx_estimated_absorpt_t_max   0.850
_shelxl_version_number           2013-2
_shelx_res_checksum              60418
_shelx_hkl_checksum              49735