Synthesis and reactions of N-heterocycle functionalised variants of heterometallic {Cr7Ni} rings.
Whitehead, George F. S.; Ferrando-Soria, Jesús; Carthy, Laura; Pritchard, Robin G.; Teat, Simon J.; Timco, Grigore A.; Winpenny, Richard E. P.; Dalton transactions (Cambridge, England : 2003) 45 (2016) 1638–1647; doi:10.1039/c5dt04062k

data_7037730
_publ_section_title
;
 Synthesis and reactions of N-heterocycle functionalised variants of
 heterometallic {Cr7Ni} rings.
;
_journal_issue                   4
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1638
_journal_page_last               1647
_journal_paper_doi               10.1039/c5dt04062k
_journal_volume                  45
_journal_year                    2016
_chemical_compound_source        'synthesis as described'
_chemical_formula_sum            'C182 H312 Cr14 F28 N6 Ni3 O68'
_chemical_formula_weight         5106.44
_chemical_name_systematic
'[nPr2NH2][Cr7NiF8(O2C5H9)(O2CC4H3N2)]2[Ni(hfac)2]'
_space_group_IT_number           56
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      56
_symmetry_space_group_name_Hall  '-P 2ab 2ac'
_symmetry_space_group_name_H-M   'P c c n'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_conform_dict_location     ftp://ftp.iucr.org/pub/cif_core.dic
_audit_conform_dict_name         cif_core.dic
_audit_conform_dict_version      2.4
_audit_creation_date             2010-04-11T02:32:32-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_audit_update_record
;
2015-09-14 deposited with the CCDC.
2015-12-21 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   55.0070(14)
_cell_length_b                   17.2341(4)
_cell_length_c                   30.5232(8)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25
_cell_measurement_theta_min      2
_cell_measurement_wavelength     0.71073
_cell_volume                     28935.9(13)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_radiation_monochromator  silicon
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           synchrotron
_diffrn_radiation_wavelength     0.7749
_diffrn_reflns_av_R_equivalents  0.0647
_diffrn_reflns_av_unetI/netI     0.0417
_diffrn_reflns_limit_h_max       55
_diffrn_reflns_limit_h_min       -41
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            120769
_diffrn_reflns_theta_full        22.8
_diffrn_reflns_theta_max         22.8
_diffrn_reflns_theta_min         3.18
_exptl_absorpt_coefficient_mu    0.976
_exptl_absorpt_correction_T_max  0.9268
_exptl_absorpt_correction_T_min  0.7568
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.172
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             10640
_exptl_crystal_size_max          0.1
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         1.188
_refine_diff_density_min         -0.436
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1440
_refine_ls_number_reflns         15099
_refine_ls_number_restraints     2046
_refine_ls_restrained_S_all      1.122
_refine_ls_R_factor_all          0.0782
_refine_ls_R_factor_gt           0.0588
_refine_ls_shift/su_max          0.012
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1135P)^2^+38.8377P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1692
_refine_ls_wR_factor_ref         0.1876
_reflns_number_gt                11390
_reflns_number_total             15158
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c5dt04062k2.cif
_cod_data_source_block           lc30
_cod_depositor_comments
'Adding full bibliography for 7037717--7037737.cif.'
_cod_database_code               7037730