Versatile Telluracycle Synthesis via Sequential Electrophilic Telluration of C(sp2)–Zn and C(sp2)–H Bonds
Wu, Bin; none, Melvina; Wu, Xiangyang; Yeow, Edwin; Yoshikai, Naohiko; Chem. Sci.  (2017) –; doi:10.1039/C7SC01162H

data_1545725
_publ_section_title
;
 Versatile Telluracycle Synthesis via Sequential Electrophilic Telluration
 of C(sp2)--Zn and C(sp2)--H Bonds
;
_journal_name_full               'Chem. Sci.'
_journal_paper_doi               10.1039/C7SC01162H
_journal_year                    2017
_chemical_formula_sum            'C25 H22 O2 Te'
_chemical_formula_weight         482.02
_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'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_update_record
;
2016-12-18 deposited with the CCDC.
2017-04-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.578(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   17.6341(18)
_cell_length_b                   5.3422(6)
_cell_length_c                   21.002(2)
_cell_measurement_reflns_used    2966
_cell_measurement_temperature    103.(2)
_cell_measurement_theta_max      24.4130
_cell_measurement_theta_min      2.3100
_cell_volume                     1978.4(4)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'APEX3 (Bruker AXS Inc., 2015)'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'XP (Bruker AXS Inc., 2015)'
_computing_publication_material  'APEX3 (Bruker AXS Inc., 2015)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'XT, VERSION 2014/4'
_diffrn_ambient_temperature      103.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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  0.1142
_diffrn_reflns_av_unetI/netI     0.0764
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            36444
_diffrn_reflns_theta_full        29.58
_diffrn_reflns_theta_max         29.58
_diffrn_reflns_theta_min         3.00
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'Bruker KappaCCD'
_exptl_absorpt_coefficient_mu    1.522
_exptl_absorpt_correction_T_max  0.94
_exptl_absorpt_correction_T_min  0.74
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.618
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             960
_exptl_crystal_size_max          0.420
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.040
_refine_diff_density_max         0.736
_refine_diff_density_min         -1.371
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     291
_refine_ls_number_reflns         5549
_refine_ls_number_restraints     144
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0795
_refine_ls_R_factor_gt           0.0431
_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^)+(0.0292P)^2^+0.6408P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0820
_refine_ls_wR_factor_ref         0.0943
_reflns_number_gt                3744
_reflns_number_total             5549
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7sc01162h2.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-Scan' changed to
'multi-scan' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_database_code               1545725
_shelx_res_checksum              75809