Through-Space Shielding Effects of Metal-Complexed Phenyl Rings.
Miles, William H.; Robinson, Michael J.; Lessard, Samantha G.; Thamattoor, Dasan M.; The Journal of organic chemistry 81 (2016) 10791–10801; doi:10.1021/acs.joc.6b01858

data_4037260
_publ_section_title
;
 Through-Space Shielding Effects of Metal-Complexed Phenyl Rings.
;
_journal_issue                   22
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              10791
_journal_page_last               10801
_journal_paper_doi               10.1021/acs.joc.6b01858
_journal_volume                  81
_journal_year                    2016
_chemical_formula_moiety         'C21 H16 Cr1 O3'
_chemical_formula_sum            'C21 H16 Cr O3'
_chemical_formula_weight         368.335
_chemical_name_common            BillMilesCrComplex
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_cell_angle_alpha                74.1240(10)
_cell_angle_beta                 73.6750(10)
_cell_angle_gamma                75.9170(10)
_cell_formula_units_Z            4
_cell_length_a                   12.1879(10)
_cell_length_b                   12.2813(10)
_cell_length_c                   12.4334(10)
_cell_measurement_reflns_used    8802
_cell_measurement_temperature    173.(2)
_cell_measurement_theta_max      26.4292
_cell_measurement_theta_min      2.1868
_cell_volume                     1689.8(2)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      173.(2)
_diffrn_detector_area_resol_mean 8.3660
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0156
_diffrn_reflns_av_unetI/netI     0.0222
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            14509
_diffrn_reflns_theta_full        26.43
_diffrn_reflns_theta_max         26.43
_diffrn_reflns_theta_min         1.75
_exptl_absorpt_coefficient_mu    0.693
_exptl_absorpt_correction_T_max  0.90
_exptl_absorpt_correction_T_min  0.80
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014/4 (Bruker AXS Inc.)'
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.448
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             760
_exptl_crystal_size_max          0.500
_exptl_crystal_size_mid          0.240
_exptl_crystal_size_min          0.150
_refine_diff_density_max         1.017
_refine_diff_density_min         -0.272
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     455
_refine_ls_number_reflns         6903
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0396
_refine_ls_R_factor_gt           0.0365
_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^)+(0.1000P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1186
_refine_ls_wR_factor_ref         0.1257
_reflns_number_gt                6277
_reflns_number_total             6903
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jo6b01858_si_002.cif
_cod_data_source_block           1b-Cr
_cod_original_formula_sum        'C21 H16 Cr1 O3'
_cod_database_code               4037260