Rhenium(i)-based bridgeless double metallocalix[4]arenes.
Elumalai, Palani; Kanagaraj, Rajendiran; Marimuthu, Rajendiran; Shankar, Bhaskaran; Kalita, Alok Ch; Sathiyendiran, Malaichamy; Dalton transactions (Cambridge, England : 2003) 44 (2015) 11274–11277; doi:10.1039/c5dt00841g

data_7035171
_publ_section_title
;
 Rhenium(i)-based bridgeless double metallocalix[4]arenes.
;
_journal_issue                   25
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11274
_journal_page_last               11277
_journal_paper_doi               10.1039/c5dt00841g
_journal_volume                  44
_journal_year                    2015
_chemical_formula_moiety         'C98 H62 N8 O20 Re4'
_chemical_formula_sum            'C98 H62 N8 O20 Re4'
_chemical_formula_weight         2416.36
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-I 2ya'
_symmetry_space_group_name_H-M   'I 1 2/a 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-02-26 deposited with the CCDC.
2015-05-14 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 106.08(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.541(8)
_cell_length_b                   23.250(9)
_cell_length_c                   25.627(9)
_cell_measurement_reflns_used    8519
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.3
_cell_measurement_theta_min      2.6
_cell_volume                     11188(8)
_computing_cell_refinement       'CrystalClear-SM Expert 2.0 r4'
_computing_data_collection
'CrystalClear-SM Expert 2.0 r4 (Rigaku, 2009)'
_computing_data_reduction        'CrystalClear-SM Expert 2.0 r4'
_computing_molecular_graphics    'CrystalStructure 4.0 (Rigaku, 2010)'
_computing_publication_material  'CrystalStructure 4.0'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS86 (Sheldrick, 1985)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Rigaku Saturn724+'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0398
_diffrn_reflns_av_sigmaI/netI    0.0391
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            41409
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.67
_exptl_absorpt_coefficient_mu    4.375
_exptl_absorpt_correction_T_max  0.8444
_exptl_absorpt_correction_T_min  0.5794
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'NUMABS (Rigaku, 1999)'
_exptl_crystal_colour            purple
_exptl_crystal_density_diffrn    1.435
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             4664
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_platon_squeeze_details
;
;
_refine_diff_density_max         1.873
_refine_diff_density_min         -1.704
_refine_diff_density_rms         0.106
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     587
_refine_ls_number_reflns         9808
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.081
_refine_ls_R_factor_all          0.0530
_refine_ls_R_factor_gt           0.0465
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0267P)^2^+94.9206P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0933
_refine_ls_wR_factor_ref         0.0966
_reflns_number_gt                8887
_reflns_number_total             9808
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5dt00841g2.cif
_cod_data_source_block           shelxl
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' 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 7035171.cif.
;
_cod_original_cell_volume        11188(7)
_cod_original_sg_symbol_H-M      'I 2/a'
_cod_database_code               7035171