Role of temperature in [3+2]-cycloaddition of isoselenocyanates with oxiranes using BF3·Et2O
Sengoden, Mani; Punniyamurthy, Tharmalingam; RSC Advances 2 (2012) 2736–; doi:10.1039/c2ra00042c

data_7238560
_publ_section_title
;
 Role of temperature in [3+2]-cycloaddition of isoselenocyanates with
 oxiranes using BF3&#x00B7;Et2O
;
_journal_issue                   7
_journal_name_full               'RSC Advances'
_journal_page_first              2736
_journal_paper_doi               10.1039/c2ra00042c
_journal_volume                  2
_journal_year                    2012
_chemical_formula_moiety         'C13 H15 N O Se'
_chemical_formula_sum            'C13 H15 N O Se'
_chemical_formula_weight         280.22
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_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                 92.209(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.7304(4)
_cell_length_b                   7.6804(4)
_cell_length_c                   23.0785(13)
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      19.98
_cell_measurement_theta_min      1.77
_cell_volume                     1192.09(12)
_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      296(2)
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.972
_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  0.1921
_diffrn_reflns_av_sigmaI/netI    0.0727
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            7300
_diffrn_reflns_theta_full        19.98
_diffrn_reflns_theta_max         19.98
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    3.128
_exptl_absorpt_correction_T_max  0.391
_exptl_absorpt_correction_T_min  0.298
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1997)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.561
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       square
_exptl_crystal_F_000             568
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.391
_refine_diff_density_min         -0.610
_refine_diff_density_rms         0.124
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     145
_refine_ls_number_reflns         1084
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0596
_refine_ls_R_factor_gt           0.0515
_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^)+(0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1110
_refine_ls_wR_factor_ref         0.1223
_reflns_number_gt                1022
_reflns_number_total             1084
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ra00042c.txt
_cod_data_source_block           MSN-92
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7238560