Iron(ii) complexes of 2,6-di(1H-pyrazol-3-yl)-pyridine derivatives with hydrogen bonding and sterically bulky substituents.
Roberts, Thomas D.; Little, Marc A.; Kershaw Cook, Laurence J.; Halcrow, Malcolm A.; Dalton transactions (Cambridge, England : 2003) 43 (2014) 7577–7588; doi:10.1039/c4dt00355a

data_7029571
_publ_section_title
;
 Iron(ii) complexes of 2,6-di(1H-pyrazol-3-yl)-pyridine derivatives with
 hydrogen bonding and sterically bulky substituents.
;
_journal_issue                   20
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7577
_journal_page_last               7588
_journal_paper_doi               10.1039/c4dt00355a
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety
'C38 H50 Fe N10, 2[B F4], 0.73[C2 H3 F3 O], 0.35[C6 H14 O]'
_chemical_formula_sum            'C41.55 H57.08 B2 F10.18 Fe N10 O1.08'
_chemical_formula_weight         984.64
_chemical_name_systematic
; 
Bis[2,6-bis(5-tertbutyl-1H-pyrazol-3-yl)pyridine]iron(II) 
ditetrafluoroborate 2,2,2-trifluoroethanol di-isopropyl ether solvate 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                   17.588(2)
_cell_length_b                   19.509(2)
_cell_length_c                   32.399(5)
_cell_measurement_reflns_used    124468
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.34
_cell_measurement_theta_min      1.56
_cell_volume                     11117(2)
_computing_cell_refinement       'APEX 2 software, Bruker Nonius 2004'
_computing_data_collection       'APEX 2 software, Bruker Nonius 2004'
_computing_data_reduction        'SAINT, Bruker Nonius 2004'
_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      150(2)
_diffrn_detector_area_resol_mean '120 microns'
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker X8 Apex diffractometer'
_diffrn_measurement_method       'Rotation images'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0571
_diffrn_reflns_av_sigmaI/netI    0.0527
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            124468
_diffrn_reflns_theta_full        25.34
_diffrn_reflns_theta_max         25.34
_diffrn_reflns_theta_min         1.56
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.343
_exptl_absorpt_correction_T_max  0.851
_exptl_absorpt_correction_T_min  0.773
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Sheldrick, G. M. (2002). SADABS v. 2.03. University of 
G/ottingen, Germany.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.177
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             4100
_exptl_crystal_size_max          0.04
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.864
_refine_diff_density_min         -0.495
_refine_diff_density_rms         0.099
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.002(15)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1223
_refine_ls_number_reflns         20237
_refine_ls_number_restraints     110
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0871
_refine_ls_R_factor_gt           0.0645
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1392P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1768
_refine_ls_wR_factor_ref         0.1932
_reflns_number_gt                15975
_reflns_number_total             20237
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt00355a3.cif
_cod_data_source_block           tdr128
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 7029568--7029572.cif.
;
_cod_original_cell_volume        11117(3)
_cod_database_code               7029571