Rare Earth Metal Oxalatophosphonates: Syntheses, Structure Diversity, and Photoluminescence Properties
Li, Xinfa; Liu, Tianfu; Lin, Qipu; Cao, Rong; Crystal Growth & Design 10 (2010) 608–; doi:10.1021/cg900995u

data_4502318
_publ_section_title
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 Rare Earth Metal Oxalatophosphonates: Syntheses, Structure Diversity, and
 Photoluminescence Properties
;
_journal_issue                   2
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              608
_journal_paper_doi               10.1021/cg900995u
_journal_volume                  10
_journal_year                    2010
_chemical_formula_sum            'C11 H21 Gd2 N O17 P'
_chemical_formula_weight         784.76
_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                73.497(9)
_cell_angle_beta                 69.512(9)
_cell_angle_gamma                66.561(8)
_cell_formula_units_Z            2
_cell_length_a                   9.625(2)
_cell_length_b                   10.591(3)
_cell_length_c                   12.367(3)
_cell_measurement_reflns_used    3355
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.4453
_cell_measurement_theta_min      2.1262
_cell_volume                     1068.0(5)
_computing_cell_refinement       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_collection       'CrystalClear (Rigaku/MSC Inc., 2005)'
_computing_data_reduction        'CrystalClear (Rigaku/MSC Inc., 2005)'
_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      293(2)
_diffrn_measured_fraction_theta_full 0.859
_diffrn_measured_fraction_theta_max 0.859
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       '\w 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  0.0628
_diffrn_reflns_av_sigmaI/netI    0.0436
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            6628
_diffrn_reflns_theta_full        27.44
_diffrn_reflns_theta_max         27.44
_diffrn_reflns_theta_min         2.13
_diffrn_standards_interval_count none
_diffrn_standards_interval_time  none
_exptl_absorpt_coefficient_mu    6.315
_exptl_absorpt_correction_T_max  0.4510
_exptl_absorpt_correction_T_min  0.2531
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'CrystalClear (Rigaku/MSC Inc., 2005)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.440
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Prism
_exptl_crystal_F_000             746
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         3.241
_refine_diff_density_min         -3.300
_refine_diff_density_rms         0.527
_refine_ls_extinction_coef       0.034(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     290
_refine_ls_number_reflns         4195
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0756
_refine_ls_R_factor_gt           0.0722
_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^)+(0.1400P)^2^+5.5000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1766
_refine_ls_wR_factor_ref         0.1826
_reflns_number_gt                3834
_reflns_number_total             4195
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg900995u_si_002.cif
_cod_data_source_block           5-Gd
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
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 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4502318