Construction of a series of metal‒organic frameworks with a neutral tetradentate ligand and rigid carboxylate co-ligands
Qin, Ling; Hu, Jin-Song; Zhang, Ming-Dao; Li, Yi-Zhi; Zheng, He-Gen; CrystEngComm 14 (2012) 8274–; doi:10.1039/c2ce26236c

data_7214975
_publ_section_title
;
 Construction of a series of metal--organic frameworks with a neutral
 tetradentate ligand and rigid carboxylate co-ligands
;
_journal_issue                   23
_journal_name_full               CrystEngComm
_journal_page_first              8274
_journal_paper_doi               10.1039/c2ce26236c
_journal_volume                  14
_journal_year                    2012
_chemical_formula_moiety         'C50 H36 N4 O17 Zn3'
_chemical_formula_sum            'C50 H36 N4 O17 Zn3'
_chemical_formula_weight         1160.94
_chemical_name_systematic
;
?
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 124.694(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   26.909(5)
_cell_length_b                   12.170(3)
_cell_length_c                   17.157(3)
_cell_measurement_reflns_used    1845
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      22.016
_cell_measurement_theta_min      2.878
_cell_volume                     4619.6(16)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_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  0.0612
_diffrn_reflns_av_sigmaI/netI    0.0877
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            12650
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.84
_exptl_absorpt_coefficient_mu    1.629
_exptl_absorpt_correction_T_max  0.699
_exptl_absorpt_correction_T_min  0.64
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_density_diffrn    1.669
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             2360
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.22
_refine_diff_density_max         0.560
_refine_diff_density_min         -0.978
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     329
_refine_ls_number_reflns         4044
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.0738
_refine_ls_R_factor_gt           0.0477
_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^)+(0.0203P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0835
_refine_ls_wR_factor_ref         0.0885
_reflns_number_gt                2633
_reflns_number_total             4066
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce26236c.txt
_cod_data_source_block           ql7
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/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 2281 2013-09-26 08:29:07Z andrius 

The following automatic conversions were performed:

'_refine_ls_hydrogen_treatment' value 'constra' was replaced with the
value 'constr' as specified in the replacement file
'src/cod-tools/trunk/data/replacement-values/replacement_values.lst'.

Automatic conversion script
Id: cif_fix_values 5376 2017-05-30 11:51:03Z andrius 
;
_cod_original_cell_volume        4619.7(16)
_cod_original_sg_symbol_Hall     ' -C 2yc'
_cod_original_sg_symbol_H-M      'C2/c '
_cod_database_code               7214975