Synthesis and Structural Characterization of Phosphine‒Borane-Stabilized Dicarbanions with either Rigid or Flexible Spacers
Izod, Keith; Dixon, Casey M.; McMeekin, Emma; Rodgers, Lee; Harrington, Ross W.; Baisch, Ulrich; Organometallics 33 (2013) 378–; doi:10.1021/om4011142

data_4089648
_publ_section_title
;
 Synthesis and Structural Characterization of Phosphine--Borane-Stabilized
 Dicarbanions with either Rigid or Flexible Spacers
;
_journal_issue                   1
_journal_name_full               Organometallics
_journal_page_first              378
_journal_paper_doi               10.1021/om4011142
_journal_volume                  33
_journal_year                    2013
_chemical_formula_moiety         'C44 H88 B2 Li2 N4 P2, 2(C7 H8)'
_chemical_formula_sum            'C58 H104 B2 Li2 N4 P2'
_chemical_formula_weight         954.89
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2013-11-12
_audit_creation_method
;
Olex2 1.2
(compiled 2013.09.17 svn.r2790 for OlexSys, GUI svn.r4601)
;
_cell_angle_alpha                90
_cell_angle_beta                 112.794(5)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   12.1193(5)
_cell_length_b                   17.3072(5)
_cell_length_c                   15.3776(7)
_cell_measurement_reflns_used    5113
_cell_measurement_temperature    150.15
_cell_measurement_theta_max      28.6004
_cell_measurement_theta_min      2.8679
_cell_volume                     2973.6(2)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.34.49 (release 20-01-2011 CrysAlis171 .NET)
(compiled Jan 20 2011,15:58:25)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.34.49 (release 20-01-2011 CrysAlis171 .NET)
(compiled Jan 20 2011,15:58:25)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.34.49 (release 20-01-2011 CrysAlis171 .NET)
(compiled Jan 20 2011,15:58:25)
;
_computing_molecular_graphics
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_publication_material
;
O. V. Dolomanov, L. J. Bourhis, R. J. Gildea, J. A. K. Howard and H. Puschmann,
OLEX2: a complete structure solution, refinement and analysis program.
J. Appl. Cryst. (2009). 42, 339-341.
;
_computing_structure_refinement
;
SHELX, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_computing_structure_solution
;
SHELX, G.M. Sheldrick, Acta Cryst.
(2008). A64, 112-122
;
_diffrn_ambient_temperature      150.15
_diffrn_detector_area_resol_mean 10.3968
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.837
_diffrn_measurement_details
;
  1 omega  -29.00   12.00   1.0000   40.0000
omega____ theta____ kappa____ phi______ frames
    -       -8.1850  -77.0000 -150.0000 41

  2 omega  -60.00   27.00   1.0000   40.0000
omega____ theta____ kappa____ phi______ frames
    -        9.9038  -38.0000  -30.0000 87

  3 omega  -35.00   22.00   1.0000   40.0000
omega____ theta____ kappa____ phi______ frames
    -        9.9038  -38.0000   60.0000 57

  4 omega   31.00   92.00   1.0000   40.0000
omega____ theta____ kappa____ phi______ frames
    -        9.9038   14.0000  -93.0000 61
;
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_UB_11      0.0072022000
_diffrn_orient_matrix_UB_12      0.0305230000
_diffrn_orient_matrix_UB_13      -0.0281293000
_diffrn_orient_matrix_UB_21      0.0565992000
_diffrn_orient_matrix_UB_22      0.0088301000
_diffrn_orient_matrix_UB_23      0.0356417000
_diffrn_orient_matrix_UB_31      0.0278150000
_diffrn_orient_matrix_UB_32      -0.0258778000
_diffrn_orient_matrix_UB_33      -0.0210317000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0480
_diffrn_reflns_av_unetI/netI     0.0756
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.837
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            19214
_diffrn_reflns_point_group_measured_fraction_full 0.840
_diffrn_reflns_point_group_measured_fraction_max 0.669
_diffrn_reflns_theta_full        25.000
_diffrn_reflns_theta_max         28.663
_diffrn_reflns_theta_min         2.874
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.111
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.98864
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.34.49 (release 20-01-2011 CrysAlis171 .NET)
(compiled Jan 20 2011,15:58:25)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear yellow'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.066
_exptl_crystal_description       prism
_exptl_crystal_F_000             1052
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.326
_refine_diff_density_min         -0.263
_refine_diff_density_rms         0.049
_refine_ls_abs_structure_details
;
 Flack x determined using 2706 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   0.06(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     647
_refine_ls_number_reflns         10243
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0680
_refine_ls_R_factor_gt           0.0486
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
;
 w=1/[\s^2^(Fo^2^)+(0.0351P)^2^+0.2322P]
 where P=(Fo^2^+2Fc^2^)/3
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0918
_refine_ls_wR_factor_ref         0.1013
_reflns_Friedel_coverage         0.547
_reflns_Friedel_fraction_full    0.670
_reflns_Friedel_fraction_max     0.489
_reflns_number_gt                8397
_reflns_number_total             10243
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om4011142_si_001.cif
_cod_data_source_block           3b_kji120001
_cod_database_code               4089648
_shelxl_version_number           2013-2
_chemical_oxdiff_formula         'C32 H56 B2 Li2 P2'
_shelx_estimated_absorpt_t_max   0.989
_shelx_estimated_absorpt_t_min   0.968
_reflns_odcompleteness_completeness 99.78
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     24.97
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Ternary CH refined with riding coordinates:
 C9(H9), C15(H15), C21(H21), C27(H27)
2.b Secondary CH2 refined with riding coordinates:
 C10(H10A,H10B), C11(H11A,H11B), C12(H12A,H12B), C13(H13A,H13B), C14(H14A,
 H14B), C16(H16A,H16B), C17(H17A,H17B), C18(H18A,H18B), C19(H19A,H19B),
 C20(H20A,H20B), C22(H22A,H22B), C23(H23A,H23B), C24(H24A,H24B), C25(H25A,H25B),
  C26(H26A,H26B), C28(H28A,H28B), C29(H29A,H29B), C30(H30A,H30B), C31(H31A,
 H31B), C32(H32A,H32B), C35(H35A,H35B), C36(H36A,H36B), C41(H41A,H41B),
 C42(H42A,H42B)
2.c Aromatic/amide H refined with riding coordinates:
 C1(H1), C3(H3), C4(H4), C5(H5), C6(H6), C8(H8), C47(H47), C48(H48), C49(H49),
 C50(H50), C51(H51), C54(H54), C55(H55), C56(H56), C57(H57), C58(H58)
2.d Idealised Me refined as rotating group:
 C33(H33A,H33B,H33C), C34(H34A,H34B,H34C), C37(H37A,H37B,H37C), C38(H38A,H38B,
 H38C), C39(H39A,H39B,H39C), C40(H40A,H40B,H40C), C43(H43A,H43B,H43C), C44(H44A,
 H44B,H44C), C45(H45A,H45B,H45C), C52(H52A,H52B,H52C)
;