Biphenyl bridged hexadentate N6-ligands - a rigid ligand backbone for Fe(ii) spin crossover complexes.
Heider, Silvio; Petzold, Holm; Chastanet, Guillaume; Schlamp, Stephan; Rüffer, Tobias; Weber, Birgit; Létard, Jean-François; Dalton transactions (Cambridge, England : 2003) 42 (2013) 8575–8584; doi:10.1039/c2dt32451b

data_7021325
_publ_section_title
;
 Biphenyl bridged hexadentate N6-ligands - a rigid ligand backbone for
 Fe(ii) spin crossover complexes.
;
_journal_issue                   24
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8575
_journal_page_last               8584
_journal_paper_doi               10.1039/c2dt32451b
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C30 H26 Fe N8, 2(Cl O4)'
_chemical_formula_sum            'C30 H26 Cl2 Fe N8 O8'
_chemical_formula_weight         753.34
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 105.980(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   20.6794(5)
_cell_length_b                   13.0498(2)
_cell_length_c                   23.5787(5)
_cell_measurement_reflns_used    8154
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      61.9999
_cell_measurement_theta_min      3.3334
_cell_volume                     6117.1(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      123(2)
_diffrn_detector_area_resol_mean 16.2879
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Xcalibur, Sapphire3, Gemini'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0398
_diffrn_reflns_av_sigmaI/netI    0.0645
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            19707
_diffrn_reflns_theta_full        62.09
_diffrn_reflns_theta_max         62.09
_diffrn_reflns_theta_min         3.34
_exptl_absorpt_coefficient_mu    6.148
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.65644
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.64 (release 22-03-2010 CrysAlis171 .NET)
(compiled Mar 22 2010,13:57:49)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.636
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3088
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.816
_refine_diff_density_min         -0.421
_refine_diff_density_rms         0.085
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.912
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     887
_refine_ls_number_reflns         9577
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.912
_refine_ls_R_factor_all          0.0660
_refine_ls_R_factor_gt           0.0456
_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^)+(0.0643P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1067
_refine_ls_wR_factor_ref         0.1106
_reflns_number_gt                6365
_reflns_number_total             9577
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt32451b.txt
_cod_data_source_block           shelxl2
_cod_database_code               7021325