Syntheses and solid state structures of cyclic diynes with two chalcogen centres ? a competition between weak interactions
Schulte, J. Hilko; Werz, Daniel B.; Rominger, Frank; Gleiter, Rolf; Organic & Biomolecular Chemistry 1 (2003) 2788–; doi:10.1039/b303653g

data_7151464
_publ_section_title
;
 Syntheses and solid state structures of cyclic diynes with two
 chalcogen centres ? a competition between weak interactions
;
_journal_issue                   15
_journal_name_full               'Organic &amp;  Biomolecular Chemistry'
_journal_page_first              2788
_journal_paper_doi               10.1039/b303653g
_journal_volume                  1
_journal_year                    2003
_chemical_formula_sum            'C12 H16 Te2'
_chemical_formula_weight         415.45
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 103.7260(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.8259(3)
_cell_length_b                   4.73160(10)
_cell_length_c                   14.5466(4)
_cell_measurement_temperature    200(2)
_cell_volume                     656.99(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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      200(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_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  0.0531
_diffrn_reflns_av_sigmaI/netI    0.0657
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            6353
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.13
_exptl_absorpt_coefficient_mu    4.404
_exptl_absorpt_correction_T_max  0.9171
_exptl_absorpt_correction_T_min  0.1775
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Blessing, Acta Cryst. (1995) A51 33-38.'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.100
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             384
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.935
_refine_diff_density_min         -1.128
_refine_diff_density_rms         0.153
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.01(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     127
_refine_ls_number_reflns         2966
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.002
_refine_ls_R_factor_all          0.0444
_refine_ls_R_factor_gt           0.0335
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0310P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0790
_refine_ls_wR_factor_ref         0.0853
_reflns_number_gt                2464
_reflns_number_total             2966
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b303653g.txt
_cod_data_source_block           dwe91_(in_paper_5te23)
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)
_cod_database_code               7151464