Syntheses, characterisation, magnetism and photoluminescence of a homodinuclear Ln(III)-Schiff base family
Chakraborty, Joy; Ray, Aurkie; Pilet, Guillaume; Chastanet, Guillaume; Luneau, Dominique; Ziessel, Raymond F.; Charbonnière, Loïc J.; Carrella, Luca; Rentschler, Eva; El Fallah, M. S.; Mitra, Samiran; Dalton Transactions  (2009) 10263–10272; doi:10.1039/b908910a

data_7030512
_publ_section_title
;
 Syntheses, characterisation, magnetism and photoluminescence of a
 homodinuclear Ln(III)-Schiff base family
;
_journal_coden_ASTM              DTARAF
_journal_issue                   46
_journal_name_full               'Dalton Transactions'
_journal_page_first              10263
_journal_page_last               10272
_journal_paper_doi               10.1039/b908910a
_journal_year                    2009
_chemical_formula_moiety         'C36 H38 N8 O10 Pr2'
_chemical_formula_sum            'C36 H38 N8 O10 Pr2'
_chemical_formula_weight         1024.56
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_cell_angle_alpha                90
_cell_angle_beta                 110.368(2)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   12.8085(4)
_cell_length_b                   11.9086(6)
_cell_length_c                   13.8970(5)
_cell_measurement_reflns_used    29377
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      38
_cell_measurement_theta_min      1
_cell_volume                     1987.19(14)
_computing_cell_refinement       'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_data_collection       'COLLECT (Nonius, 1997-2001).'
_computing_data_reduction        'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_computing_molecular_graphics    'CAMERON (Watkin et al., 1996)'
_computing_publication_material  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_refinement  'CRYSTALS (Betteridge et al., 2003)'
_computing_structure_solution    'SIR92 (Altomare et al., 1994)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device       'Nonius KappaCCD'
_diffrn_measurement_device_type  Area
_diffrn_measurement_method       \w/2\q
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.100
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            30639
_diffrn_reflns_theta_full        36.971
_diffrn_reflns_theta_max         37.725
_diffrn_reflns_theta_min         1.864
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.485
_exptl_absorpt_correction_T_max  0.87
_exptl_absorpt_correction_T_min  0.65
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'DENZO/SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.645
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1016
_exptl_crystal_size_max          0.18
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.06
_refine_diff_density_max         3.47
_refine_diff_density_min         -2.37
_refine_ls_extinction_method     None
_refine_ls_goodness_of_fit_ref   1.0657
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         5396
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0988
_refine_ls_R_factor_gt           0.0570
_refine_ls_shift/su_max          0.000862
_refine_ls_structure_factor_coef F
_refine_ls_weighting_details
;
Method, part 1, Chebychev polynomial, (Watkin, 1994, Prince, 1982)
[weight] = 1.0/[A~0~*T~0~(x)+A~1~*T~1~(x) ... +A~n-1~]*T~n-1~(x)]
where A~i~ are the Chebychev coefficients listed below and x= Fcalc/Fmax
Method = Robust Weighting (Prince, 1982)
W = [weight] * [1-(deltaF/6*sigmaF)^2^]^2^
A~i~ are:
0.867 0.992 0.673 0.301 0.160
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.1223
_refine_ls_wR_factor_gt          0.0649
_refine_ls_wR_factor_ref         0.0600
_reflns_limit_h_max              20
_reflns_limit_h_min              -22
_reflns_limit_k_max              20
_reflns_limit_k_min              0
_reflns_limit_l_max              23
_reflns_limit_l_min              0
_reflns_number_gt                6217
_reflns_number_total             10558
_reflns_threshold_expression     I>2.0\s(I)
_oxford_diffrn_Wilson_B_factor   0.00
_oxford_diffrn_Wilson_scale      0.00
_oxford_refine_ls_r_factor_ref   0.0528
_oxford_refine_ls_scale          0.1504(3)
_oxford_reflns_number_all        10538
_oxford_reflns_threshold_expression_ref I>3.0\s(I)
_cod_duplicate_entry             7002882
_cod_data_source_file            b908910a.txt
_cod_data_source_block           2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      'P 1 21/n 1 '
_cod_database_code               7030512