Synthesis, Structure and Luminescent Properties of Rare Earth Coordination Polymers Constructed from Paddle-Wheel Building Blocks
Xiaodan Guo; Guangshan Zhu; Qianrong Fang; Ming Xue; Ge Tian; Jinyu Sun; Xiaotian Li; Shilun Qiu; Inorganic Chemistry 44 (2005) 3850–3855; doi:10.1021/ic0500457

data_4308905
_publ_section_title
;
Synthesis, Structure and Luminescent Properties of Rare Earth Coordination
Polymers Constructed from Paddle-Wheel Building Blocks
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              3850
_journal_page_last               3855
_journal_paper_doi               10.1021/ic0500457
_journal_volume                  44
_journal_year                    2005
_chemical_formula_sum            'C21 H12 Er N0 O7'
_chemical_formula_weight         543.57
_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                 106.6730(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   25.1508(11)
_cell_length_b                   17.0903(11)
_cell_length_c                   18.5354(10)
_cell_measurement_temperature    273(2)
_cell_volume                     7632.2(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SMART'
_computing_molecular_graphics    'SHELXS-97 (Sheldrick, 1990)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.884
_diffrn_measured_fraction_theta_max 0.884
_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  0.0448
_diffrn_reflns_av_sigmaI/netI    0.0399
_diffrn_reflns_limit_h_max       31
_diffrn_reflns_limit_h_min       -33
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            21851
_diffrn_reflns_theta_full        28.09
_diffrn_reflns_theta_max         28.09
_diffrn_reflns_theta_min         1.70
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  .
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.220
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    0.946
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2096
_exptl_crystal_size_max          0.8
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.3
_refine_diff_density_max         1.878
_refine_diff_density_min         -1.215
_refine_diff_density_rms         0.146
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.966
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         8222
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      0.968
_refine_ls_R_factor_all          0.0656
_refine_ls_R_factor_gt           0.0599
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0012P)^2^+238.9507P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1355
_refine_ls_wR_factor_ref         0.1382
_reflns_number_gt                7403
_reflns_number_total             8222
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0500457si20050112_103555_3.cif
_cod_data_source_block           Er(bpdc)1.5(H2O)
_cod_database_code               4308905