Experiments and Direct Dynamics Simulations that Probe η2-Arene/Aryl-Hydride Equilibria of Tungsten Benzene Complexes.
Smith, Jacob A.; Schouten, Anna; Wilde, Justin H.; Westendorff, Karl S.; Dickie, Diane A.; Ess, Daniel H.; Harman, W. Dean; Journal of the American Chemical Society  (2020) –; doi:10.1021/jacs.0c08032

data_4135242
_publ_section_title
;
 Experiments and Direct Dynamics Simulations that Probe
 \h2-Arene/Aryl-Hydride Equilibria of Tungsten Benzene Complexes.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.0c08032
_journal_year                    2020
_chemical_formula_sum            'C21 H37 B Br N7 O P W'
_chemical_formula_weight         709.11
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_cell_angle_alpha                90
_cell_angle_beta                 115.166(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.8194(13)
_cell_length_b                   15.7357(15)
_cell_length_c                   14.0798(13)
_cell_measurement_reflns_used    9853
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      29.5057
_cell_measurement_theta_min      2.5887
_cell_volume                     2771.1(5)
_computing_cell_refinement       'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_data_collection       'Bruker Instrument Service v2017.5.0.0'
_computing_data_reduction        'SAINT V8.38A (Bruker AXS Inc., 2017)'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Kappa APEXII Duo'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0553
_diffrn_reflns_av_unetI/netI     0.0326
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            59713
_diffrn_reflns_theta_full        29.62
_diffrn_reflns_theta_max         29.62
_diffrn_reflns_theta_min         1.73
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    5.695
_exptl_absorpt_correction_T_max  0.63
_exptl_absorpt_correction_T_min  0.38
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.700
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1396
_exptl_crystal_size_max          0.281
_exptl_crystal_size_mid          0.258
_exptl_crystal_size_min          0.090
_refine_diff_density_max         1.716
_refine_diff_density_min         -1.699
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     321
_refine_ls_number_reflns         7806
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0430
_refine_ls_R_factor_gt           0.0253
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0177P)^2^+5.6437P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0518
_refine_ls_wR_factor_ref         0.0595
_reflns_number_gt                6314
_reflns_number_total             7806
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja0c08032_si_003.cif
_cod_data_source_block           Compound1
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-Scan' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4135242
_shelx_res_checksum              41763
_shelx_hkl_checksum              87112