Structural and DFT Studies on the Polymorphism of a Cadmium(II) Dipicolinate Coordination Polymer
Kukovec, Boris-Marko; Venter, Gerhard A.; Oliver, Clive L.; Crystal Growth & Design 12 (2012) 456–; doi:10.1021/cg201285g

data_4502981
_publ_section_title
;
 Structural and DFT Studies on the Polymorphism of a Cadmium(II)
 Dipicolinate Coordination Polymer
;
_journal_issue                   1
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              456
_journal_paper_doi               10.1021/cg201285g
_journal_volume                  12
_journal_year                    2012
_chemical_formula_moiety         'C14 H12 Cd2 N2 O11'
_chemical_formula_sum            'C14 H12 Cd2 N2 O11'
_chemical_formula_weight         609.06
_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                 93.750(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   25.8521(15)
_cell_length_b                   9.7306(7)
_cell_length_c                   13.3763(7)
_cell_measurement_reflns_used    5722
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.00
_cell_measurement_theta_min      3.16
_cell_volume                     3357.7(4)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 2000)'
_computing_data_reduction        DENZO-SMN
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Nonius Kappa CCD diffractometer'
_diffrn_measurement_method       '\f-scan and \w-scan'
_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  0.0260
_diffrn_reflns_av_sigmaI/netI    0.0298
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            5722
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.16
_exptl_absorpt_coefficient_mu    2.603
_exptl_absorpt_correction_T_max  0.88
_exptl_absorpt_correction_T_min  0.86
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2009)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.410
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2352
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.961
_refine_diff_density_min         -1.138
_refine_diff_density_rms         0.177
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.064
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         2954
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0516
_refine_ls_R_factor_gt           0.0372
_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^)+(0.0650P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0888
_refine_ls_wR_factor_ref         0.0967
_reflns_number_gt                2299
_reflns_number_total             2954
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg201285g_si_004.cif
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4502981