Introducing a Second Ligand: New Route to Luminescent Lanthanide Polyphosphonates
Ying, Shao-Ming; Mao, Jiang-Gao; Crystal Growth & Design 6 (2006) 964–; doi:10.1021/cg050554j

data_4504756
_publ_section_title
;
 Introducing a Second Ligand:&#x2009; New Route to Luminescent Lanthanide
 Polyphosphonates
;
_journal_issue                   4
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              964
_journal_paper_doi               10.1021/cg050554j
_journal_volume                  6
_journal_year                    2006
_chemical_formula_sum            'C12 H26 La2 N2 O22 P4'
_chemical_formula_weight         952.05
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/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                 106.481(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   8.1699(8)
_cell_length_b                   15.8073(13)
_cell_length_c                   11.2115(11)
_cell_measurement_temperature    293(2)
_cell_volume                     1388.4(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Rigaku Mercury CCD'
_diffrn_measurement_method       'Narrow frame method'
_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  0.0486
_diffrn_reflns_av_sigmaI/netI    0.0492
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            10672
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.04
_diffrn_standards_decay_%        <1.0%
_exptl_absorpt_coefficient_mu    3.363
_exptl_absorpt_correction_T_max  1.0
_exptl_absorpt_correction_T_min  0.78
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.277
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       brick
_exptl_crystal_F_000             924
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.06
_refine_diff_density_max         1.330
_refine_diff_density_min         -0.731
_refine_diff_density_rms         0.159
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.101
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     185
_refine_ls_number_reflns         3177
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.101
_refine_ls_R_factor_all          0.0528
_refine_ls_R_factor_gt           0.0395
_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^)+(0.0304P)^2^+2.2647P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0761
_refine_ls_wR_factor_ref         0.0810
_reflns_number_gt                2685
_reflns_number_total             3177
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg050554jsi20051016_094711.cif
_cod_data_source_block           la
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi Scan' changed to
'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4504756