A simple route to phosphamethine cyanines from S,N-heterocyclic carbenes.
Binder, Justin F.; Corrente, Andrea M.; Macdonald, Charles L. B.; Dalton transactions (Cambridge, England : 2003) 45 (2016) 2138–2147; doi:10.1039/c5dt03019f

data_7036980
_publ_section_title
;
 A simple route to phosphamethine cyanines from S,N-heterocyclic carbenes.
;
_journal_issue                   5
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              2138
_journal_page_last               2147
_journal_paper_doi               10.1039/c5dt03019f
_journal_volume                  45
_journal_year                    2016
_chemical_formula_moiety         'C11 H14 N S, I'
_chemical_formula_sum            'C11 H14 I N S'
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_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_atom_sites_solution_hydrogens   geom
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_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2015-07-20 deposited with the CCDC.
2015-10-28 downloaded from the CCDC.
;
_cell_angle_alpha                90
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_cell_angle_gamma                90
_cell_formula_units_Z            4
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_cell_length_b                   13.112(2)
_cell_length_c                   5.2955(9)
_cell_measurement_reflns_used    5645
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.26
_cell_measurement_theta_min      2.33
_cell_volume                     1213.1(3)
_computing_cell_refinement       'Bruker SMART'
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_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'Bruker SHELXTL'
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_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0868
_diffrn_reflns_av_unetI/netI     0.0632
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.988
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_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            12749
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.977
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.486
_diffrn_reflns_theta_min         2.802
_exptl_absorpt_coefficient_mu    2.775
_exptl_absorpt_correction_T_max  0.574
_exptl_absorpt_correction_T_min  0.343
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS; Bruker, 2001'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.748
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             624
_exptl_crystal_size_max          0.40
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_refine_diff_density_max         1.999
_refine_diff_density_min         -0.921
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_refine_ls_abs_structure_details
;
 Flack x determined using 793 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.04(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.143
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     127
_refine_ls_number_reflns         2730
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.143
_refine_ls_R_factor_all          0.0733
_refine_ls_R_factor_gt           0.0498
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0340P)^2^+2.5893P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0946
_refine_ls_wR_factor_ref         0.1032
_reflns_Friedel_coverage         0.784
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.963
_reflns_number_gt                2163
_reflns_number_total             2730
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5dt03019f2.cif
_cod_data_source_block           shelx
_cod_depositor_comments
'Adding full bibliography for 7036976--7036983.cif.'
_cod_database_code               7036980
_shelx_shelxl_version_number     2014/7
_shelx_res_checksum              98429