Temperature-/solvent-dependent low-dimensional compounds based on quinoline-2,3-dicarboxylic acid: structures and fluorescent properties.
Wang, Ming-Fang; Hong, Xu-Jia; Zhan, Qing-Guang; Jin, Hong-Guang; Liu, Yi-Ting; Zheng, Zhi-Peng; Xu, Shi-Hai; Cai, Yue-Peng; Dalton transactions (Cambridge, England : 2003) 41 (2012) 11898–11906; doi:10.1039/c2dt31243c

data_7030126
_publ_section_title
;
 Temperature-/solvent-dependent low-dimensional compounds based on
 quinoline-2,3-dicarboxylic acid: structures and fluorescent properties.
;
_journal_issue                   38
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              11898
_journal_page_last               11906
_journal_paper_doi               10.1039/c2dt31243c
_journal_volume                  41
_journal_year                    2012
_chemical_formula_sum            'C20 H12 Cd N2 O4'
_chemical_formula_weight         456.72
_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                 114.007(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   28.777(8)
_cell_length_b                   8.059(2)
_cell_length_c                   15.281(4)
_cell_measurement_reflns_used    900
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      20.63
_cell_measurement_theta_min      2.64
_cell_volume                     3237.3(15)
_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      298(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_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           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0646
_diffrn_reflns_av_sigmaI/netI    0.0810
_diffrn_reflns_limit_h_max       34
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            7975
_diffrn_reflns_theta_full        25.25
_diffrn_reflns_theta_max         25.25
_diffrn_reflns_theta_min         1.55
_exptl_absorpt_coefficient_mu    1.381
_exptl_absorpt_correction_T_max  0.8630
_exptl_absorpt_correction_T_min  0.7154
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.874
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1808
_exptl_crystal_size_max          0.26
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.11
_refine_diff_density_max         1.323
_refine_diff_density_min         -1.333
_refine_diff_density_rms         0.270
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     244
_refine_ls_number_reflns         2918
_refine_ls_number_restraints     24
_refine_ls_restrained_S_all      1.058
_refine_ls_R_factor_all          0.1249
_refine_ls_R_factor_gt           0.0657
_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^)+(0.1794P)^2^+18.1144P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1512
_refine_ls_wR_factor_ref         0.1873
_reflns_number_gt                1894
_reflns_number_total             2918
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt31243c.txt
_cod_data_source_block           849599(8)
_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 
;
_cod_original_cell_volume        3237.4(15)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               7030126