Cyanocarbanion-Based Spin-Crossover Materials: Photocrystallographic and Photomagnetic Studies of a New Iron(II) Neutral Chain
Gaelle Dupouy; Smail Triki; Mathieu Marchivie; Nathalie Cosquer; Carlos J. Gómez-García; Sébastien Pillet; El-Eulmi Bendeif; Claude Lecomte; Saket Asthana; Jean-François Létard; Inorganic Chemistry 49 (2010) 9358–9368; doi:10.1021/ic101038z

data_4316760
_publ_contact_author_address
;
UMR CNRS 6521, Universit\'e de Bretagne Occidentale,
BP 809, 29285 Brest Cedex (France)
;
_publ_contact_author_email       ' triki@univ-brest.fr'
_publ_contact_author_fax         +33298017001
_publ_contact_author_name        ' Prof. Smail Triki'
_publ_contact_author_phone       +33298016146
_publ_section_title
;
 Cyanocarbanion-Based Spin-Crossover Materials: Photocrystallographic and
 Photomagnetic Studies of a New Iron(II) Neutral Chain
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              9358
_journal_page_last               9368
_journal_paper_doi               10.1021/ic101038z
_journal_volume                  49
_journal_year                    2010
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C34 H20 Fe1 N18'
_chemical_formula_sum            'C34 H20 Fe N18'
_chemical_formula_weight         736.53
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.3
_audit_creation_date             2008-09-25T16:47:30-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 92.031(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   11.3762(3)
_cell_length_b                   12.4222(3)
_cell_length_c                   11.8683(3)
_cell_measurement_reflns_used    8664
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.4247
_cell_measurement_theta_min      2.9319
_cell_measurement_wavelength     0.71073
_cell_volume                     1676.14(7)
_computing_cell_refinement
;
        CrysAlis RED, Oxford Diffraction Ltd.,
        Version 1.171.32.5 (release 08-05-2007 CrysAlis171 .NET)
        (compiled May  8 2007,13:10:02)
;
_computing_data_collection
;
        CrysAlis CCD, Oxford Diffraction Ltd.,
        Version 1.171.32.5 (release 08-05-2007 CrysAlis171 .NET)
        (compiled May  8 2007,13:10:02)
;
_computing_data_reduction
;
        CrysAlis RED, Oxford Diffraction Ltd.,
        Version 1.171.32.5 (release 08-05-2007 CrysAlis171 .NET)
        (compiled May  8 2007,13:10:02)
;
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR92 (Giacovazzo et al, 1993)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 8.3622
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Oxford diffraction Xcalibur 2'
_diffrn_measurement_method       'phi scan and omega scan '
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0275
_diffrn_reflns_av_unetI/netI     0.0227
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            18122
_diffrn_reflns_theta_full        23.25
_diffrn_reflns_theta_max         23.25
_diffrn_reflns_theta_min         2.94
_exptl_absorpt_coefficient_mu    0.507
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.96419
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
        CrysAlis RED, Oxford Diffraction Ltd.,
        Version 1.171.32.5 (release 08-05-2007 CrysAlis171 .NET)
        (compiled May  8 2007,13:10:02)
        Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.459
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.202
_refine_diff_density_min         -0.137
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.112
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     333
_refine_ls_number_reflns         2390
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.112
_refine_ls_R_factor_all          0.0506
_refine_ls_R_factor_gt           0.0353
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0286P)^2^+0.8533P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0747
_refine_ls_wR_factor_ref         0.0791
_reflns_number_gt                1858
_reflns_number_total             2390
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic101038z_si_001_2.cif
_cod_data_source_block           293K
_cod_database_code               4316760