The effect of tether groups on the spin states of iron(II)/bis[2,6-di(pyrazol-1-yl)pyridine] complexes.
Capel Berdiell, Izar; García-López, Victor; Howard, Mark J.; Clemente-León, Miguel; Halcrow, Malcolm A.; Dalton transactions (Cambridge, England : 2003) 50 (2021) 7417–7426; doi:10.1039/d1dt01076j

data_7707339
_publ_section_title
;
 The effect of tether groups on the spin states of
 iron(II)/bis[2,6-di(pyrazol-1-yl)pyridine] complexes.
;
_journal_issue                   21
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7417
_journal_page_last               7426
_journal_paper_doi               10.1039/d1dt01076j
_journal_volume                  50
_journal_year                    2021
_chemical_absolute_configuration syn
_chemical_formula_moiety         'C22 H26 N6 O3 S2'
_chemical_formula_sum            'C22 H26 N6 O3 S2'
_chemical_formula_weight         486.61
_chemical_name_systematic
;
2-[(2,6-di(pyrazol-1-yl)pyridine)-4-carboxamido]ethyl (R)-lipoate (L2)
;
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2020-07-24
_audit_creation_method
;
Olex2 1.3
(compiled 2020.07.16 svn.r6f6c53a7 for OlexSys, GUI svn.r6139)
;
_audit_update_record
;
2021-03-30 deposited with the CCDC.	2021-05-04 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.0813(1)
_cell_length_b                   12.2490(4)
_cell_length_c                   36.8728(9)
_cell_measurement_reflns_used    3202
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      73.17
_cell_measurement_theta_min      4.34
_cell_volume                     2294.99(10)
_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  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS (Sheldrick, 2015)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      120(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 5.3095
_diffrn_detector_type            Atlas
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.969
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0313
_diffrn_reflns_av_unetI/netI     0.0446
_diffrn_reflns_Laue_measured_fraction_full 0.980
_diffrn_reflns_Laue_measured_fraction_max 0.969
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       45
_diffrn_reflns_limit_l_min       -44
_diffrn_reflns_number            5883
_diffrn_reflns_point_group_measured_fraction_full 0.856
_diffrn_reflns_point_group_measured_fraction_max 0.842
_diffrn_reflns_theta_full        72.000
_diffrn_reflns_theta_max         73.331
_diffrn_reflns_theta_min         3.803
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    2.420
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.782
_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            'pale yellow'
_exptl_crystal_density_diffrn    1.408
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       fragment
_exptl_crystal_F_000             1024
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: 1,2-dichloroethane/pentane'
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.355
_refine_diff_density_min         -0.280
_refine_diff_density_rms         0.050
_refine_ls_abs_structure_details
;
 Flack x determined using 1095 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   -0.043(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.072
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         3894
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0417
_refine_ls_R_factor_gt           0.0371
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0343P)^2^+0.8062P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0862
_refine_ls_wR_factor_ref         0.0892
_reflns_Friedel_coverage         0.476
_reflns_Friedel_fraction_full    0.677
_reflns_Friedel_fraction_max     0.660
_reflns_number_gt                3607
_reflns_number_total             3894
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1dt01076j2.cif
_cod_data_source_block           coneola
_cod_depositor_comments
'Adding full bibliography for 7707339--7707346.cif.'
_cod_database_code               7707339
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
2.a Ternary CH refined with riding coordinates:
 C29(H29)
2.b Secondary CH2 refined with riding coordinates:
 C20(H20A,H20B), C21(H21A,H21B), C25(H25A,H25B), C26(H26A,H26B), C27(H27A,
 H27B), C28(H28A,H28B), C32(H32A,H32B), C33(H33A,H33B)
2.c Aromatic/amide H refined with riding coordinates:
 C3(H3), C5(H5), C9(H9), C10(H10), C11(H11), C14(H14), C15(H15), C16(H16),
 N19(H19)
;
_shelx_res_checksum              12431
_olex2_submission_special_instructions 'No special instructions were received'