Iron(ii) complexes of 4-sulfanyl-, 4-sulfinyl- and 4-sulfonyl-2,6-dipyrazolylpyridine ligands. A subtle interplay between spin-crossover and crystallographic phase changes
Kershaw Cook, Laurence J.; Kulmaczewski, Rafal; Barrett, Simon A.; Halcrow, Malcolm A.; Inorganic Chemistry Frontiers 2 (2015) 662–; doi:10.1039/C5QI00083A

data_4348918
_publ_section_title
;
 Iron(ii) complexes of 4-sulfanyl-, 4-sulfinyl- and
 4-sulfonyl-2,6-dipyrazolylpyridine ligands. A subtle interplay between
 spin-crossover and crystallographic phase changes
;
_journal_issue                   7
_journal_name_full               'Inorganic Chemistry Frontiers'
_journal_page_first              662
_journal_paper_doi               10.1039/C5QI00083A
_journal_volume                  2
_journal_year                    2015
_chemical_formula_moiety         'C12 H11 N5 O2 S'
_chemical_formula_sum            'C12 H11 N5 O2 S'
_chemical_formula_weight         289.32
_chemical_name_systematic
; 
[2,6-Di(pyrazol-1-yl)pyrid-4-yl]methylsulfone 
;
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_cell_setting           monoclinic
_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_creation_method           SHELXL-97
_audit_update_record
;
2015-04-21 deposited with the CCDC.
2015-06-12 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 91.402(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.63390(10)
_cell_length_b                   14.1865(4)
_cell_length_c                   16.1192(4)
_cell_measurement_reflns_used    2498
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      73.41
_cell_measurement_theta_min      4.14
_cell_volume                     1287.95(5)
_computing_cell_refinement       'CrysAlisPro, Agilent Technologies'
_computing_data_collection       'CrysAlisPro, Agilent Technologies'
_computing_data_reduction        'CrysAlisPro, Agilent Technologies'
_computing_molecular_graphics    'XSEED (Barbour, 2001)'
_computing_publication_material  'local program'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 5.3095
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0282
_diffrn_reflns_av_sigmaI/netI    0.0391
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            4740
_diffrn_reflns_theta_full        73.70
_diffrn_reflns_theta_max         73.70
_diffrn_reflns_theta_min         4.15
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.338
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.896
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
CrysAlisPro, Agilent Technologies,
Version 1.171.36.24 (release 03-12-2012 CrysAlis171 .NET)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.492
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             600
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: chloroform/pentane'
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.353
_refine_diff_density_min         -0.341
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.058
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     182
_refine_ls_number_reflns         2515
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.0433
_refine_ls_R_factor_gt           0.0360
_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^)+(0.0454P)^2^+0.2286P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0877
_refine_ls_wR_factor_ref         0.0925
_reflns_number_gt                2160
_reflns_number_total             2515
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5qi00083a2.cif
_cod_data_source_block           lkc258
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               4348918