A five-fold interpenetrated metal-organic framework showing a large variation in thermal expansion behaviour owing to dramatic structural transformation upon dehydration-rehydration.
Aggarwal, Himanshu; Das, Raj Kumar; Engel, Emile R.; Barbour, Leonard J.; Chemical communications (Cambridge, England) 53 (2017) 861–864; doi:10.1039/c6cc07995d

data_7119421
_publ_section_title
;
 A five-fold interpenetrated metal-organic framework showing a large
 variation in thermal expansion behaviour owing to dramatic structural
 transformation upon dehydration-rehydration.
;
_journal_issue                   5
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              861
_journal_page_last               864
_journal_paper_doi               10.1039/c6cc07995d
_journal_volume                  53
_journal_year                    2017
_chemical_formula_moiety         'C16 H14 N2 O4 Zn'
_chemical_formula_sum            'C16 H14 N2 O4 Zn'
_chemical_formula_weight         363.66
_chemical_name_systematic
; 
 ? 
;
_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
_audit_update_record
;
2016-05-18 deposited with the CCDC.
2016-12-06 downloaded from the CCDC.
;
_cell_angle_alpha                92.3220(10)
_cell_angle_beta                 107.6610(10)
_cell_angle_gamma                95.5300(10)
_cell_formula_units_Z            2
_cell_length_a                   8.17180(10)
_cell_length_b                   8.8796(2)
_cell_length_c                   11.2884(2)
_cell_measurement_reflns_used    6063
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      26.14
_cell_measurement_theta_min      2.31
_cell_volume                     774.77(2)
_computing_cell_refinement       'SAINT (Bruker, 2009)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'X-Seed (Barbour 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      140(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.0228
_diffrn_reflns_av_sigmaI/netI    0.0217
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            10674
_diffrn_reflns_theta_full        26.15
_diffrn_reflns_theta_max         26.15
_diffrn_reflns_theta_min         1.90
_exptl_absorpt_coefficient_mu    1.606
_exptl_absorpt_correction_T_max  0.8742
_exptl_absorpt_correction_T_min  0.6924
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.559
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             372
_exptl_crystal_size_max          0.247
_exptl_crystal_size_mid          0.131
_exptl_crystal_size_min          0.086
_refine_diff_density_max         0.303
_refine_diff_density_min         -0.227
_refine_diff_density_rms         0.054
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    refU
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         3076
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0242
_refine_ls_R_factor_gt           0.0224
_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^)+(0.0237P)^2^+0.4862P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0535
_refine_ls_wR_factor_ref         0.0542
_reflns_number_gt                2905
_reflns_number_total             3076
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6cc07995d2.cif
_cod_data_source_block           LJB_1_140K
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 4268 2015-11-12 08:31:59Z antanas 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7119421