The influence of nitro groups on the topology and gas sorption property of extended Zn(ii)-paddlewheel MOFs
Dau, Phuong V.; Cohen, Seth M.; CrystEngComm 15 (2013) 9304–; doi:10.1039/c3ce41124a

data_7214545
_publ_section_title
;
 The influence of nitro groups on the topology and gas sorption property
 of extended Zn(ii)-paddlewheel MOFs
;
_journal_issue                   45
_journal_name_full               CrystEngComm
_journal_page_first              9304
_journal_paper_doi               10.1039/c3ce41124a
_journal_volume                  15
_journal_year                    2013
_chemical_formula_sum            'C20 H10 N4 O9 Zn'
_chemical_formula_weight         515.69
_chemical_name_common            (Zn(bpdc-[NO2]2(dabco)(DMF))n
_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   constr
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 111.399(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   13.7580(11)
_cell_length_b                   25.2156(18)
_cell_length_c                   14.9205(11)
_cell_measurement_reflns_used    4471
_cell_measurement_temperature    250(2)
_cell_measurement_theta_max      50.14
_cell_measurement_theta_min      3.51
_cell_volume                     4819.3(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      250(2)
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0322
_diffrn_reflns_av_sigmaI/netI    0.0288
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            8945
_diffrn_reflns_theta_full        50.31
_diffrn_reflns_theta_max         50.31
_diffrn_reflns_theta_min         3.51
_exptl_absorpt_coefficient_mu    1.913
_exptl_absorpt_correction_T_max  0.826
_exptl_absorpt_correction_T_min  0.795
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.421
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2080
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.630
_refine_diff_density_min         -0.253
_refine_diff_density_rms         0.074
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.118
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     279
_refine_ls_number_reflns         2463
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.118
_refine_ls_R_factor_all          0.0704
_refine_ls_R_factor_gt           0.0645
_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^)+(0.1218P)^2^+14.7045P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1942
_refine_ls_wR_factor_ref         0.2009
_reflns_number_gt                2156
_reflns_number_total             2463
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce41124a.txt
_cod_data_source_block           (Zn(bpdc-[NO2]2(dabco)(DMF))n
_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:

'_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 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7214545