Substitution of thiophene oligomers with macrocyclic end caps and the colorimetric detection of Hg(II).
Kadarkaraisamy, Mariappan; Thammavongkeo, Soudsakhone; Basa, Prem N.; Caple, Gerald; Sykes, Andrew G.; Organic letters 13 (2011) 2364–2367; doi:10.1021/ol200442k

data_1502097
_publ_section_title
;
 Substitution of thiophene oligomers with macrocyclic end caps and the
 colorimetric detection of Hg(II).
;
_journal_issue                   9
_journal_name_full               'Organic letters'
_journal_page_first              2364
_journal_page_last               2367
_journal_paper_doi               10.1021/ol200442k
_journal_volume                  13
_journal_year                    2011
_chemical_formula_moiety         'C30 H28 O6 S2'
_chemical_formula_sum            'C30 H28 O6 S2'
_chemical_formula_weight         548.64
_chemical_name_common            CE-bithiophene-monomer
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 92.7030(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.2245(4)
_cell_length_b                   17.4342(9)
_cell_length_c                   18.3495(9)
_cell_measurement_reflns_used    9936
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.59
_cell_measurement_theta_min      2.22
_cell_volume                     2628.2(2)
_computing_cell_refinement       'Bruker SAINT (Bruker, 2006)'
_computing_data_collection       'Bruker APEXII (Bruker, 2006)'
_computing_data_reduction        'Bruker SAINT (Bruker, 2006)'
_computing_molecular_graphics    'Ortep-3(Farrugia, 1997)'
_computing_publication_material  'WinGX(Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997a)'
_computing_structure_solution    SIR92
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0407
_diffrn_reflns_av_sigmaI/netI    0.0292
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            25448
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.61
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.247
_exptl_absorpt_correction_T_max  0.9734
_exptl_absorpt_correction_T_min  0.8845
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.387
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1152
_exptl_crystal_size_max          0.51
_exptl_crystal_size_mid          0.49
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.368
_refine_diff_density_min         -0.480
_refine_diff_density_rms         0.059
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         4630
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0567
_refine_ls_R_factor_gt           0.0427
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0662P)^2^+1.2439P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1140
_refine_ls_wR_factor_ref         0.1242
_reflns_number_gt                3692
_reflns_number_total             4630
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol200442k_si_001.cif
_cod_data_source_block           08056
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               1502097