Synthesis of a flexible macrocyclic tetraimidazolium salt-precursor for a tetracarbene ligand with metal dependent coordination modes.
Schulte To Brinke, Christian; Ekkehardt Hahn, F.; Dalton transactions (Cambridge, England : 2003) 44 (2015) 14315–14322; doi:10.1039/c5dt02115d

data_7035701
_publ_section_title
;
 Synthesis of a flexible macrocyclic tetraimidazolium salt-precursor for a
 tetracarbene ligand with metal dependent coordination modes.
;
_journal_issue                   32
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              14315
_journal_page_last               14322
_journal_paper_doi               10.1039/c5dt02115d
_journal_volume                  44
_journal_year                    2015
_chemical_formula_moiety         'C36 H44 N8, 4(F6 P), C2 H3 N'
_chemical_formula_sum            'C38 H47 F24 N9 P4'
_chemical_formula_weight         1209.73
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-06-01 deposited with the CCDC.
2015-07-08 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 100.399(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   14.3308(8)
_cell_length_b                   13.4896(7)
_cell_length_c                   25.4184(14)
_cell_measurement_reflns_used    900
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      75
_cell_measurement_theta_min      1
_cell_volume                     4833.1(5)
_computing_cell_refinement       'SAINT (Bruker AXS, 2000)'
_computing_data_collection       'SMART (Bruker AXS, 2000)'
_computing_data_reduction        'SAINT,SADABS (Bruker AXS, 2000)'
_computing_molecular_graphics
;
ORTEP3,L.J. Farrugia, J. Appl. Cryst. (1997) 30, 565
;
_computing_structure_refinement
;
SHELXL-97, G. M. Sheldrick, Acta Cryst. (2008) A64, 112-122
;
_computing_structure_solution
;
SHELXS-97 , G. M. Sheldrick, Acta Cryst. (2008) A64, 112-122
;
_diffrn_ambient_temperature      153(2)
_diffrn_detector_area_resol_mean 80
_diffrn_measured_fraction_theta_full 0.943
_diffrn_measured_fraction_theta_max 0.943
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'Omega and Phi scans'
_diffrn_radiation_monochromator  goebel-mirror
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0440
_diffrn_reflns_av_sigmaI/netI    0.0412
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            13467
_diffrn_reflns_theta_full        72.41
_diffrn_reflns_theta_max         72.41
_diffrn_reflns_theta_min         3.54
_exptl_absorpt_coefficient_mu    2.688
_exptl_absorpt_correction_T_max  0.7939
_exptl_absorpt_correction_T_min  0.6022
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
; 
 Corrections were done with the SADABS program, utilizing the none merged
 raw data obtained from the integration process. Integration and final cell
 refinement were done with SAINT.

 SADABS reports ratio of Tmin/Tmax = 0.649598  

;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.663
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2456
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.417
_refine_diff_density_min         -0.480
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     352
_refine_ls_number_reflns         4518
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0440
_refine_ls_R_factor_gt           0.0399
_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^)+(0.0650P)^2^+3.0162P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1109
_refine_ls_wR_factor_ref         0.1138
_reflns_number_gt                3965
_reflns_number_total             4518
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt02115d2.cif
_cod_data_source_block           '[H4-4](PF6)4'
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 7035701--7035705.cif.
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               7035701