An Abrupt Spin Crossover FeII Complex Based on Homochiral Chain
Nicolas Bréfuel; Sergiu Shova; Jean-Pierre Tuchagues; Naohide Matsumoto; Chemistry Letters 34 (2005) 1092–; doi:10.1246/cl.2005.1092

data_8000005
_publ_section_title
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 An Abrupt Spin Crossover FeII Complex Based on Homochiral Chain
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_journal_issue                   8
_journal_name_full               'Chemistry Letters'
_journal_page_first              1092
_journal_paper_doi               10.1246/cl.2005.1092
_journal_volume                  34
_journal_year                    2005
_chemical_formula_moiety         '[FeL]clO4'
_chemical_formula_sum            'C18 H29 Cl Fe N8 O4'
_chemical_formula_weight         512.79
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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            8
_cell_length_a                   12.734(3)
_cell_length_b                   15.289(3)
_cell_length_c                   21.844(4)
_cell_measurement_reflns_used    7997
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      51.9
_cell_measurement_theta_min      4.6
_cell_volume                     4253.0(15)
_computing_cell_refinement       'STOE-IPDS software (Stoe, 2.87, 1997)'
_computing_data_collection       'STOE-IPDS software (Stoe, 2.87, 1997)'
_computing_data_reduction        'XRED (Stoe, 1.08, 1996)'
_computing_molecular_graphics    'ORTEP-3 (Farrugia, 1997)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'STOE IPDS'
_diffrn_measurement_method       'Imaging Plate Detector System'
_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  0.1055
_diffrn_reflns_av_sigmaI/netI    0.0476
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            31701
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.28
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.880
_exptl_absorpt_correction_T_max  0.976
_exptl_absorpt_correction_T_min  0.854
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'c.f. r.h. blessing, acta cryst. (1995), a51, 33-38'
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.602
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2144
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.601
_refine_diff_density_min         -0.670
_refine_diff_density_rms         0.122
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.010
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     303
_refine_ls_number_reflns         4155
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.010
_refine_ls_R_factor_all          0.0593
_refine_ls_R_factor_gt           0.0465
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0803P)^2^+0.1035P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1132
_refine_ls_wR_factor_ref         0.1188
_reflns_number_gt                3263
_reflns_number_total             4155
_reflns_threshold_expression     >2sigma(I)
_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 
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_cod_database_code               8000005