Hydro(solvo)thermal synthesis, structures, luminescence of 2-D zinc(ii) and 1-D copper(ii) complexes constructed from pyridine-2,6-dicarboxylic acid N-oxide and decarboxylation of the ligand
Wu, Wei-Ping; Wang, Yao-Yu; Wu, Ya-Pan; Liu, Jian-Qiang; Zeng, Xi-Rui; Shi, Qi-Zhen; Peng, Shie-Ming; CrystEngComm 9 (2007) 753–; doi:10.1039/b701384a

data_7202740
_publ_section_title
;
 Hydro(solvo)thermal synthesis, structures, luminescence of 2-D
 zinc(ii) and 1-D copper(ii) complexes constructed from
 pyridine-2,6-dicarboxylic acid N-oxide and decarboxylation of the
 ligand
;
_journal_issue                   9
_journal_name_full               CrystEngComm
_journal_page_first              753
_journal_paper_doi               10.1039/b701384a
_journal_volume                  9
_journal_year                    2007
_chemical_formula_sum            'C7 H5 N O6 Zn'
_chemical_formula_weight         264.49
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 90.5730(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   5.8976(5)
_cell_length_b                   5.8184(5)
_cell_length_c                   23.7875(19)
_cell_measurement_reflns_used    865
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      24.73
_cell_measurement_theta_min      3.61
_cell_volume                     816.22(12)
_computing_cell_refinement       APEX2
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        APEX2
_computing_molecular_graphics    APEX2
_computing_publication_material  APEX2
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_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  0.0354
_diffrn_reflns_av_sigmaI/netI    0.0498
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            4663
_diffrn_reflns_theta_full        27.17
_diffrn_reflns_theta_max         27.17
_diffrn_reflns_theta_min         1.71
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.018
_exptl_absorpt_correction_T_max  0.8280
_exptl_absorpt_correction_T_min  0.4480
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2004)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.152
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.527
_refine_diff_density_min         -0.384
_refine_diff_density_rms         0.109
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.038
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     142
_refine_ls_number_reflns         1806
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0524
_refine_ls_R_factor_gt           0.0358
_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^)+(0.0522P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0910
_refine_ls_wR_factor_ref         0.0958
_reflns_number_gt                1323
_reflns_number_total             1806
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            b701384a.txt
_cod_data_source_block           xb0953m
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7202740