Metal-Organic Frameworks Containing a Tetrapyridylcyclobutane Ligand Derived from Isomerization Reaction
Abdul Malik Puthan Peedikakkal; Charlene Shi Yun Peh; Lip Lin Koh; Jagadese J. Vittal; Inorganic Chemistry 49 (2010) 6775–6777; doi:10.1021/ic100853h

data_4316146
_publ_contact_author
; 
     Dr. Jagadese J. Vittal
     Department of Chemistry
     National University of Singapore
     3 Science Drive 3
     SINGAPORE 117543 
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_publ_contact_author_email       chmjjv@nus.edu.sg
_publ_contact_author_fax         '(65) 6779 1691'
_publ_contact_author_phone       '(65) 6516 2677'
_publ_section_title
;
 Metal-Organic Frameworks Containing a Tetrapyridylcyclobutane Ligand
 Derived from Isomerization Reaction
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              6775
_journal_page_last               6777
_journal_paper_doi               10.1021/ic100853h
_journal_volume                  49
_journal_year                    2010
_chemical_formula_sum            'C16 H12 F6 N2 O4'
_chemical_formula_weight         410.28
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                96.054(17)
_cell_angle_beta                 93.549(16)
_cell_angle_gamma                104.627(11)
_cell_formula_units_Z            4
_cell_length_a                   10.950(8)
_cell_length_b                   11.556(9)
_cell_length_c                   14.278(10)
_cell_measurement_reflns_used    874
_cell_measurement_temperature    223(2)
_cell_measurement_theta_max      25.27
_cell_measurement_theta_min      2.30
_cell_volume                     1731(2)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      223(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0274
_diffrn_reflns_av_sigmaI/netI    0.0612
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            9846
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.84
_exptl_absorpt_coefficient_mu    0.155
_exptl_absorpt_correction_T_max  0.954
_exptl_absorpt_correction_T_min  0.913
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick 2005)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.574
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             832
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.45
_exptl_crystal_size_min          0.40
_refine_diff_density_max         0.737
_refine_diff_density_min         -0.372
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     513
_refine_ls_number_reflns         6065
_refine_ls_number_restraints     198
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.1233
_refine_ls_R_factor_gt           0.0842
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1434P)^2^+0.6442P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2382
_refine_ls_wR_factor_ref         0.2659
_reflns_number_gt                3670
_reflns_number_total             6065
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic100853h_si_002_2.cif
_cod_data_source_block           compound_1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to the built-in table from CIF Core dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
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_cod_database_code               4316146