Synthesis, structure and reactivity of [o-(2,6-diisopropylphenyliminomethinyl)phenyl]selenenyl selenocyanate (RSeSeCN) and related derivatives.
Rakesh, Prakul; Singh, Harkesh B.; Jasinski, Jerry P.; Golen, James A.; Dalton transactions (Cambridge, England : 2003) 43 (2014) 9431–9437; doi:10.1039/c4dt00157e

data_7031200
_publ_section_title
;
 Synthesis, structure and reactivity of
 [o-(2,6-diisopropylphenyliminomethinyl)phenyl]selenenyl selenocyanate
 (RSeSeCN) and related derivatives.
;
_journal_issue                   25
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              9431
_journal_page_last               9437
_journal_paper_doi               10.1039/c4dt00157e
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C20 H22 N2 Se2'
_chemical_formula_sum            'C20 H22 N2 Se2'
_chemical_formula_weight         448.32
_chemical_name_systematic
; 
 ? 
;
_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                 97.148(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.0205(6)
_cell_length_b                   11.4514(8)
_cell_length_c                   16.4769(12)
_cell_measurement_reflns_used    5057
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      32.23
_cell_measurement_theta_min      3.02
_cell_volume                     1876.0(2)
_computing_cell_refinement
'<i>CrysAlisPRO</i> (Oxford Diffraction, 2010)'
_computing_data_collection
'<i>CrysAlisPRO</i> (Oxford Diffraction, 2010)'
_computing_data_reduction
'<i>CrysAlisRED</i> (Oxford Diffraction, 2010)'
_computing_molecular_graphics    '<i>SHELXTL</i> (Bruker, 2000)'
_computing_publication_material  '<i>SHELXTL</i> (Bruker, 2000)'
_computing_structure_refinement  '<i>SHELXL97</i> (Sheldrick, 2008)'
_computing_structure_solution    '<i>SHELXS97</i> (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 16.1500
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini'
_diffrn_measurement_method       ' \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0511
_diffrn_reflns_av_sigmaI/netI    0.0459
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            18873
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         28.70
_diffrn_reflns_theta_min         3.02
_exptl_absorpt_coefficient_mu    3.945
_exptl_absorpt_correction_T_max  0.7431
_exptl_absorpt_correction_T_min  0.4046
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrysAlisRED; Oxford Diffraction, 2010.'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.587
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             896
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.988
_refine_diff_density_min         -0.529
_refine_diff_density_rms         0.093
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.041
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         4851
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.041
_refine_ls_R_factor_all          0.0493
_refine_ls_R_factor_gt           0.0344
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0362P)^2^+0.4115P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0754
_refine_ls_wR_factor_ref         0.0820
_reflns_number_gt                3938
_reflns_number_total             4851
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt00157e2.cif
_cod_data_source_block           hbs-17
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/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 

 Adding full bibliography for 7031197--7031200.cif.
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7031200