Beryllium-centred C-H activation of benzene.
Pearce, Kyle G.; Hill, Michael S.; Mahon, Mary F.; Chemical communications (Cambridge, England) 59 (2023) 1453–1456; doi:10.1039/d2cc06702a

data_7131167
_publ_section_title
;
 Beryllium-centred C-H activation of benzene.
;
_journal_issue                   11
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              1453
_journal_page_last               1456
_journal_paper_doi               10.1039/d2cc06702a
_journal_volume                  59
_journal_year                    2023
_chemical_formula_moiety         'C30 H50 Be N2 Si2'
_chemical_formula_sum            'C30 H50 Be N2 Si2'
_chemical_formula_weight         503.91
_space_group_crystal_system      tetragonal
_space_group_IT_number           82
_space_group_name_Hall           'I -4'
_space_group_name_H-M_alt        'I -4'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2022-05-09
_audit_creation_method
;
Olex2 1.5
(compiled 2022.04.07 svn.rca3783a0 for OlexSys, GUI svn.r6498)
;
_audit_update_record
;
2022-09-08 deposited with the CCDC.	2023-01-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   25.56020(10)
_cell_length_b                   25.56020(10)
_cell_length_c                   9.43090(10)
_cell_measurement_reflns_used    31821
_cell_measurement_temperature    150.00(10)
_cell_measurement_theta_max      72.4920
_cell_measurement_theta_min      4.8900
_cell_volume                     6161.43(7)
_computing_cell_refinement       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2014/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      150.00(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 8.1150
_diffrn_detector_type            EosS2
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, EosS2'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0210
_diffrn_reflns_av_unetI/netI     0.0141
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -31
_diffrn_reflns_limit_k_max       31
_diffrn_reflns_limit_k_min       -31
_diffrn_reflns_limit_l_max       7
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            38933
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         72.650
_diffrn_reflns_theta_min         3.458
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    1.173
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.93549
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.46 (Rigaku Oxford Diffraction, 2018)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.086
_exptl_crystal_description       plate
_exptl_crystal_F_000             2208
_exptl_crystal_size_max          0.268
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.164
_refine_diff_density_max         0.170
_refine_diff_density_min         -0.172
_refine_diff_density_rms         0.029
_refine_ls_abs_structure_details
;
 Flack x determined using 2815 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.002(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     328
_refine_ls_number_reflns         6102
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0224
_refine_ls_R_factor_gt           0.0222
_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^+1.1948P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0598
_refine_ls_wR_factor_ref         0.0600
_reflns_Friedel_coverage         0.874
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.992
_reflns_number_gt                6064
_reflns_number_total             6102
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2cc06702a2.cif
_cod_data_source_block           s22msh42
_cod_depositor_comments
'Adding full bibliography for 7131166--7131169.cif.'
_cod_original_cell_volume        6161.43(8)
_cod_database_code               7131167
_shelxl_version_number           2014-3
_shelx_estimated_absorpt_t_max   0.831
_shelx_estimated_absorpt_t_min   0.744
_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:
 C11(H11), C14(H14), C25(H25), C28(H28)
2.b Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C2(H2A,H2B)
2.c Aromatic/amide H refined with riding coordinates:
 C7(H7), C8(H8), C9(H9), C21(H21), C22(H22), C23(H23)
2.d Idealised Me refined as rotating group:
 C3(H3A,H3B,H3C), C4(H4A,H4B,H4C), C12(H12A,H12B,H12C), C13(H13A,H13B,H13C),
 C15(H15A,H15B,H15C), C16(H16A,H16B,H16C), C17(H17A,H17B,H17C), C18(H18A,H18B,
 H18C), C26(H26A,H26B,H26C), C27(H27A,H27B,H27C), C29(H29A,H29B,H29C), C30(H30A,
 H30B,H30C)
;
_shelx_res_checksum              49040
_shelx_hkl_checksum              12731