Architectures varying from discrete molecular units to 2-dimensional coordination polymers and photoluminescence behavior of zinc and cadmium comprising an anionic zwitterion of rigid 4,5-dicarboxy-1,3-dimethyl-1H-imidazolium iodide
Tripathi, Sarita; Anantharaman, Ganapathi; CrystEngComm 17 (2015) 2754–; doi:10.1039/C4CE02215G

data_7219570
_publ_section_title
;
 Architectures varying from discrete molecular units to 2-dimensional
 coordination polymers and photoluminescence behavior of zinc and cadmium
 comprising an anionic zwitterion of rigid
 4,5-dicarboxy-1,3-dimethyl-1H-imidazolium iodide
;
_journal_issue                   13
_journal_name_full               CrystEngComm
_journal_page_first              2754
_journal_paper_doi               10.1039/C4CE02215G
_journal_volume                  17
_journal_year                    2015
_chemical_formula_moiety         'C14 H24 N4 O13 Zn'
_chemical_formula_sum            'C14 H24 N4 O13 Zn'
_chemical_formula_weight         521.74
_chemical_name_common            'zINC NITRATE MONOMER'
_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
_audit_update_record
;
2015-01-30 deposited with the CCDC.
2015-02-13 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 92.800(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.075(2)
_cell_length_b                   8.3079(12)
_cell_length_c                   16.676(3)
_cell_measurement_reflns_used    2804
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.82
_cell_measurement_theta_min      2.45
_cell_volume                     2086.0(6)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0464
_diffrn_reflns_av_sigmaI/netI    0.0561
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            11326
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.35
_exptl_absorpt_coefficient_mu    1.253
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.661
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1080
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.19
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.833
_refine_diff_density_min         -0.634
_refine_diff_density_rms         0.141
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.143
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     324
_refine_ls_number_reflns         4082
_refine_ls_number_restraints     15
_refine_ls_restrained_S_all      1.143
_refine_ls_R_factor_all          0.0713
_refine_ls_R_factor_gt           0.0516
_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^)+(0.0886P)^2^+2.4251P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1324
_refine_ls_wR_factor_ref         0.1726
_reflns_number_gt                3145
_reflns_number_total             4082
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce02215g1.cif
_cod_data_source_block           17febam
_cod_depositor_comments
'Adding full bibliography for 7219566--7219571.cif.'
_cod_original_cell_volume        2086.1(5)
_cod_original_sg_symbol_H-M      'P 21/C'
_cod_database_code               7219570