Structurally characterized luminescent lanthanide zinc carboxylate precursors for Ln-Zn-O nanomaterials.
Boyle, Timothy J.; Raymond, Rebecca; Boye, Daniel M.; Ottley, Leigh Anna M.; Lu, Ping; Dalton transactions (Cambridge, England : 2003) 39 (2010) 8050–8063; doi:10.1039/c002492a

data_7025645
_publ_section_title
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 Structurally characterized luminescent lanthanide zinc carboxylate
 precursors for Ln-Zn-O nanomaterials.
;
_journal_issue                   34
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              8050
_journal_page_last               8063
_journal_paper_doi               10.1039/c002492a
_journal_volume                  39
_journal_year                    2010
_chemical_formula_sum            'C24 H44 O8 Zn2'
_chemical_formula_weight         591.33
_chemical_name_common            ZnONc
_chemical_name_systematic
;
?
;
_space_group_IT_number           76
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4w'
_symmetry_space_group_name_H-M   'P 41'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.5433(6)
_cell_length_b                   11.5433(6)
_cell_length_c                   22.9224(15)
_cell_measurement_reflns_used    7904
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      24.99
_cell_measurement_theta_min      2.50
_cell_volume                     3054.4(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_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  0.0321
_diffrn_reflns_av_sigmaI/netI    0.0353
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            22354
_diffrn_reflns_theta_full        25.34
_diffrn_reflns_theta_max         25.34
_diffrn_reflns_theta_min         1.76
_exptl_absorpt_coefficient_mu    1.609
_exptl_absorpt_correction_T_max  0.869
_exptl_absorpt_correction_T_min  0.749
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.286
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       irregular
_exptl_crystal_F_000             1248
_exptl_crystal_size_max          0.274
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.087
_refine_diff_density_max         0.391
_refine_diff_density_min         -0.195
_refine_diff_density_rms         0.051
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.016(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     319
_refine_ls_number_reflns         5561
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.002
_refine_ls_R_factor_all          0.0306
_refine_ls_R_factor_gt           0.0276
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0365P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0629
_refine_ls_wR_factor_ref         0.0644
_reflns_number_gt                5235
_reflns_number_total             5561
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c002492a.txt
_cod_data_source_block           6my172ss
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 

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_sg_symbol_H-M      P4(1)
_cod_database_code               7025645