Tandem regioselective synthesis of tetrazoles and related heterocycles using iodine.
Yella, Ramesh; Khatun, Nilufa; Rout, Saroj Kumar; Patel, Bhisma K.; Organic & biomolecular chemistry 9 (2011) 3235–3245; doi:10.1039/c0ob01007c

data_7151805
_publ_section_title
;
 Tandem regioselective synthesis of tetrazoles and related heterocycles
 using iodine.
;
_journal_issue                   9
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              3235
_journal_page_last               3245
_journal_paper_doi               10.1039/c0ob01007c
_journal_volume                  9
_journal_year                    2011
_chemical_formula_moiety         'C7 H6 Cl N5'
_chemical_formula_sum            'C7 H6 Cl N5'
_chemical_formula_weight         195.62
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 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                 108.708(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.7905(4)
_cell_length_b                   7.4830(3)
_cell_length_c                   11.7242(4)
_cell_measurement_reflns_used    4771
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      28.290
_cell_measurement_theta_min      2.23
_cell_volume                     896.66(6)
_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  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_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  0.0554
_diffrn_reflns_av_sigmaI/netI    0.0280
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9085
_diffrn_reflns_theta_full        28.35
_diffrn_reflns_theta_max         28.35
_diffrn_reflns_theta_min         1.99
_exptl_absorpt_coefficient_mu    0.384
_exptl_absorpt_correction_T_max  0.908
_exptl_absorpt_correction_T_min  0.851
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   multi-scan
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.449
_exptl_crystal_density_meas      1.449
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             400
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.419
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_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     118
_refine_ls_number_reflns         2123
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0726
_refine_ls_R_factor_gt           0.0547
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1500P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1932
_refine_ls_wR_factor_ref         0.2112
_reflns_number_gt                1490
_reflns_number_total             2232
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0ob01007c.txt
_cod_data_source_block           3b
_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 1555 2011-01-17 13:19:09Z saulius 
;
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7151805