Synthesis, structures and luminescent properties of a series of novel Sr(II)-Ln(III) (Ln = Eu, Gd, Tb) coordination polymers.
Chen, Yanmei; Chen, Wenqian; Ju, Zhenghua; Gao, Qian; Lei, Tao; Liu, Wei; Li, Yahong; Gao, Dandan; Li, Wu; Dalton transactions (Cambridge, England : 2003) 42 (2013) 10495–10502; doi:10.1039/c3dt51184g

data_7021578
_publ_section_title
;
 Synthesis, structures and luminescent properties of a series of novel
 Sr(II)-Ln(III) (Ln = Eu, Gd, Tb) coordination polymers.
;
_journal_issue                   29
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10495
_journal_page_last               10502
_journal_paper_doi               10.1039/c3dt51184g
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety
'C21 H19 Gd N3 O17 Sr, C3 H5 N2, C2 H6 O, 3(H2 O)'
_chemical_formula_sum            'C26 H36 Gd N5 O21 Sr'
_chemical_formula_weight         999.47
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                71.36(3)
_cell_angle_beta                 74.96(3)
_cell_angle_gamma                78.85(3)
_cell_formula_units_Z            2
_cell_length_a                   10.209(2)
_cell_length_b                   11.125(2)
_cell_length_c                   17.304(4)
_cell_measurement_reflns_used    2549
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.50
_cell_measurement_theta_min      2.34
_cell_volume                     1785.3(7)
_computing_cell_refinement       'SAINT (Bruker, 2005)'
_computing_data_collection       'APEX-II (Bruker, 2005)'
_computing_data_reduction        'SAINT (Bruker, 2005)'
_computing_molecular_graphics
'SHELXTL (Sheldrick, 2008) and DIAMOND (Brandenburg, 1999)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_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  0.0305
_diffrn_reflns_av_sigmaI/netI    0.0276
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            30379
_diffrn_reflns_theta_full        27.00
_diffrn_reflns_theta_max         27.00
_diffrn_reflns_theta_min         1.95
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.428
_exptl_absorpt_correction_T_max  0.5774
_exptl_absorpt_correction_T_min  0.4261
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.859
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             994
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.708
_refine_diff_density_min         -0.719
_refine_diff_density_rms         0.083
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     494
_refine_ls_number_reflns         7770
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0300
_refine_ls_R_factor_gt           0.0257
_refine_ls_shift/su_max          0.018
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0309P)^2^+2.1426P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0648
_refine_ls_wR_factor_ref         0.0668
_reflns_number_gt                7034
_reflns_number_total             7770
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3dt51184g.txt
_cod_data_source_block           ccdc899485
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        1785.4(6)
_cod_database_code               7021578