Te4Se2O6 macrocycle stabilizing triangular planar and tetrahedral anions.
Srungavruksham, Nagarjuna Kumar; Baskar, Viswanathan; Dalton transactions (Cambridge, England : 2003) 44 (2015) 4554–4559; doi:10.1039/c4dt03911d

data_7033648
_publ_section_title
;
 Te4Se2O6 macrocycle stabilizing triangular planar and tetrahedral anions.
;
_journal_issue                   10
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              4554
_journal_page_last               4559
_journal_paper_doi               10.1039/c4dt03911d
_journal_volume                  44
_journal_year                    2015
_chemical_formula_moiety         'C80 H78 N2 O20 Se2 Te4'
_chemical_formula_sum            'C80 H78 N2 O20 Se2 Te4'
_chemical_formula_weight         2055.76
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2014-09-30 deposited with the CCDC.
2015-01-15 downloaded from the CCDC.
;
_cell_angle_alpha                107.5360(10)
_cell_angle_beta                 109.9690(10)
_cell_angle_gamma                92.5130(10)
_cell_formula_units_Z            1
_cell_length_a                   11.9793(8)
_cell_length_b                   13.0047(9)
_cell_length_c                   14.3277(10)
_cell_measurement_reflns_used    8381
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.01
_cell_measurement_theta_min      2.27
_cell_volume                     1973.4(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0171
_diffrn_reflns_av_sigmaI/netI    0.0187
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            18995
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         1.61
_exptl_absorpt_coefficient_mu    2.459
_exptl_absorpt_correction_T_max  0.7568
_exptl_absorpt_correction_T_min  0.4396
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   BRUKARSADBAS
_exptl_crystal_colour            COLORLESS
_exptl_crystal_density_diffrn    1.730
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             1008
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.614
_refine_diff_density_min         -0.480
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.091
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     491
_refine_ls_number_reflns         6948
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.091
_refine_ls_R_factor_all          0.0208
_refine_ls_R_factor_gt           0.0198
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0233P)^2^+1.5976P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0493
_refine_ls_wR_factor_ref         0.0498
_reflns_number_gt                6724
_reflns_number_total             6948
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt03911d2.cif
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/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.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN'
changed to 'multi-scan' according to
/usr/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 2935 2014-11-11 08:27:57Z andrius 

 Adding full bibliography for 7033648--7033650.cif.
;
_cod_original_sg_symbol_H-M      'P-1   '
_cod_database_code               7033648