Organoselenium(II) halides containing the pincer 2,6-(Me2NCH2)2C6H3 ligand‒an experimental and theoretical investigation.
Pop, Alexandra; Silvestru, Anca; Juárez-Pérez, Emilio José; Arca, Massimiliano; Lippolis, Vito; Silvestru, Cristian; Dalton transactions (Cambridge, England : 2003) 43 (2014) 2221–2233; doi:10.1039/c3dt52886c

data_7028853
_publ_section_title
;
 Organoselenium(II) halides containing the pincer 2,6-(Me2NCH2)2C6H3
 ligand--an experimental and theoretical investigation.
;
_journal_issue                   5
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2221
_journal_page_last               2233
_journal_paper_doi               10.1039/c3dt52886c
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C12 H21 Cl N2 O Se'
_chemical_formula_sum            'C12 H21 Cl N2 O Se'
_chemical_formula_weight         323.72
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 109.722(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   14.7558(18)
_cell_length_b                   11.3558(14)
_cell_length_c                   18.666(2)
_cell_measurement_reflns_used    3782
_cell_measurement_temperature    297(2)
_cell_measurement_theta_max      22.67
_cell_measurement_theta_min      2.32
_cell_volume                     2944.3(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      297(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  0.0401
_diffrn_reflns_av_sigmaI/netI    0.0337
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            13720
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.32
_exptl_absorpt_coefficient_mu    2.720
_exptl_absorpt_correction_T_max  0.5613
_exptl_absorpt_correction_T_min  0.4168
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker, 2001.'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.461
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1328
_exptl_crystal_size_max          0.39
_exptl_crystal_size_mid          0.27
_exptl_crystal_size_min          0.24
_refine_diff_density_max         0.455
_refine_diff_density_min         -0.230
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     167
_refine_ls_number_reflns         2588
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.028
_refine_ls_R_factor_all          0.0347
_refine_ls_R_factor_gt           0.0292
_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^)+(0.0319P)^2^+2.2368P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0690
_refine_ls_wR_factor_ref         0.0710
_reflns_number_gt                2283
_reflns_number_total             2588
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt52886c.txt
_cod_data_source_block           5ale
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/current/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      'C2/c  '
_cod_database_code               7028853