Weakly Coordinating yet Ion Paired: Anion Effects on an Internal Rearrangement
Aldrich, Kelly E.; Billow, Brennan S.; Holmes, Daniel; Bemowski, Ross D.; Odom, Aaron L.; Organometallics 36 (2017) 1227–; doi:10.1021/acs.organomet.6b00839

data_4087317
_publ_section_title
;
 Weakly Coordinating yet Ion Paired: Anion Effects on an Internal
 Rearrangement
;
_journal_issue                   7
_journal_name_full               Organometallics
_journal_page_first              1227
_journal_paper_doi               10.1021/acs.organomet.6b00839
_journal_volume                  36
_journal_year                    2017
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C20 H39 Cr N3 P, F6 P'
_chemical_formula_sum            'C20 H39 Cr F6 N3 P2'
_chemical_formula_weight         549.48
_chemical_name_systematic
;
 ?
;
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2016-10-13
_audit_creation_method
;
Olex2 1.2
(compiled 2016.09.09 svn.r3337 for OlexSys, GUI svn.r5227)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.689(2)
_cell_length_b                   27.360(7)
_cell_length_c                   10.182(3)
_cell_measurement_reflns_used    6258
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      23.854
_cell_measurement_theta_min      2.576
_cell_volume                     2699.2(12)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 8
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0616
_diffrn_reflns_av_unetI/netI     0.0591
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            21221
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.404
_diffrn_reflns_theta_min         2.134
_diffrn_source                   'sealed tube'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.596
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6688
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/5 (Bruker,2014/5) was used for absorption correction. wR2(int) was 0.0886 before and 0.0592 after correction. The Ratio of minimum to maximum transmission is 0.8975. The \l/2 correction factor is 0.00150.'
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.352
_exptl_crystal_description       plate
_exptl_crystal_F_000             1152
_exptl_crystal_size_max          0.255
_exptl_crystal_size_mid          0.202
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.380
_refine_diff_density_min         -0.259
_refine_diff_density_rms         0.062
_refine_ls_abs_structure_details
;
 Refined as an inversion twin.
;
_refine_ls_abs_structure_Flack   0.44(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     300
_refine_ls_number_reflns         4956
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0730
_refine_ls_R_factor_gt           0.0476
_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^)+(0.0634P)^2^+0.0583P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1061
_refine_ls_wR_factor_ref         0.1210
_reflns_Friedel_coverage         0.885
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.999
_reflns_number_gt                3721
_reflns_number_total             4956
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            om6b00839_si_002.cif
_cod_data_source_block           pna21_final
_cod_original_cell_volume        2699.4(11)
_cod_database_code               4087317
_shelxl_version_number           2013-4
_shelx_estimated_absorpt_t_max   0.937
_shelx_estimated_absorpt_t_min   0.863
_olex2_refinement_description
;
1. Twinned data refinement
 Scales: 0.56(4) 0.44(4)
2. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
3.a Ternary CH refined with riding coordinates:
 C1(H1), C4(H4), C7(H7), C10(H10)
3.b Aromatic/amide H refined with riding coordinates:
 C14(H14), C15(H15), C16(H16), C17(H17), C18(H18)
3.c Idealised Me refined as rotating group:
 C2(H2A,H2B,H2C), C3(H3A,H3B,H3C), C5(H5A,H5B,H5C), C6(H6A,H6B,H6C), C8(H8A,
 H8B,H8C), C9(H9A,H9B,H9C), C11(H11A,H11B,H11C), C12(H12A,H12B,H12C), C19(H19A,
 H19B,H19C), C20(H20A,H20B,H20C)
;
_olex2_diffrn_ambient_temperature_device 'Oxford Cryosystems'
_olex2_submission_special_instructions 'No special instructions were received'