Solid state structure and solution behaviour of organoselenium(II) compounds containing 2-{E(CH2CH2)2NCH2}C6H4 groups (E = O, NMe).
Kulcsar, Monika; Beleaga, Anca; Silvestru, Cristian; Nicolescu, Alina; Deleanu, Calin; Todasca, Cristina; Silvestru, Anca; Dalton transactions (Cambridge, England : 2003)  (2007) 2187–2196; doi:10.1039/b702629c

data_7005495
_publ_section_title
;
 Solid state structure and solution behaviour of organoselenium(II)
 compounds containing 2-{E(CH2CH2)2NCH2}C6H4 groups (E = O, NMe).
;
_journal_issue                   21
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2187
_journal_page_last               2196
_journal_paper_doi               10.1039/b702629c
_journal_year                    2007
_chemical_formula_moiety         'C11 H15 Br2 N O Se'
_chemical_formula_sum            'C11 H15 Br2 N O Se'
_chemical_formula_weight         416.02
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   16.141(2)
_cell_length_b                   12.6448(16)
_cell_length_c                   6.9126(9)
_cell_measurement_reflns_used    3007
_cell_measurement_temperature    297(2)
_cell_measurement_theta_max      25.24
_cell_measurement_theta_min      2.99
_cell_volume                     1410.9(3)
_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      293(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  0.0678
_diffrn_reflns_av_sigmaI/netI    0.0685
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            11006
_diffrn_reflns_theta_full        26.41
_diffrn_reflns_theta_max         26.41
_diffrn_reflns_theta_min         2.05
_exptl_absorpt_coefficient_mu    8.306
_exptl_absorpt_correction_T_max  0.6075
_exptl_absorpt_correction_T_min  0.2165
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker, 2001.'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.959
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             800
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.771
_refine_diff_density_min         -0.725
_refine_diff_density_rms         0.137
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.07(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.173
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     149
_refine_ls_number_reflns         2867
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.173
_refine_ls_R_factor_all          0.0821
_refine_ls_R_factor_gt           0.0685
_refine_ls_shift/su_max          0.028
_refine_ls_shift/su_mean         0.002
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0467P)^2^+0.6457P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1244
_refine_ls_wR_factor_ref         0.1298
_reflns_number_gt                2414
_reflns_number_total             2867
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b702629c.txt
_cod_data_source_block           235rich
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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      'Pna2(1) '
_cod_database_code               7005495