A molecular precursor approach to monodisperse scintillating CeF3 nanocrystals.
Mishra, Shashank; Jeanneau, Erwann; Bulin, Anne-Laure; Ledoux, Gilles; Jouguet, Bernadette; Amans, David; Belsky, Andrei; Daniele, Stéphane; Dujardin, Christophe; Dalton transactions (Cambridge, England : 2003) 42 (2013) 12633–12643; doi:10.1039/c3dt50605c

data_7021626
_publ_section_title
;
 A molecular precursor approach to monodisperse scintillating CeF3
 nanocrystals.
;
_journal_issue                   35
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              12633
_journal_page_last               12643
_journal_paper_doi               10.1039/c3dt50605c
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C12 H14 Ce1 F9 N2 O8'
_chemical_formula_sum            'C12 H14 Ce F9 N2 O8'
_chemical_formula_weight         625.35
_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   difmap
_atom_sites_solution_primary     direct
_audit_creation_date             11-12-08
_audit_creation_method           CRYSTALS_ver_14.23
_cell_angle_alpha                90
_cell_angle_beta                 95.306(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.9797(6)
_cell_length_b                   12.0517(7)
_cell_length_c                   19.0090(10)
_cell_measurement_reflns_used    12965
_cell_measurement_temperature    110
_cell_measurement_theta_max      29.4111
_cell_measurement_theta_min      3.3741
_cell_volume                     2048.4(2)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
;
_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    'SIR97 (Altomare et al., 1999)'
_diffrn_ambient_temperature      110
_diffrn_detector_area_resol_mean 10.4685
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.919
_diffrn_measurement_device_type  'Xcalibur, Atlas, Gemini ultra'
_diffrn_measurement_method       \w
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.047
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            28316
_diffrn_reflns_theta_full        25.053
_diffrn_reflns_theta_max         29.474
_diffrn_reflns_theta_min         3.381
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.345
_exptl_absorpt_correction_T_max  0.681
_exptl_absorpt_correction_T_min  0.452
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
Analytical numeric absorption correction using a multifaceted crystal
model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    2.028
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1212
_exptl_crystal_size_max          0.430
_exptl_crystal_size_mid          0.272
_exptl_crystal_size_min          0.197
_refine_diff_density_max         1.74
_refine_diff_density_min         -1.74
_refine_ls_extinction_coef       66(6)
_refine_ls_extinction_method     'Larson (1970), Equation 22'
_refine_ls_goodness_of_fit_ref   0.9581
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     290
_refine_ls_number_reflns         5251
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0443
_refine_ls_R_factor_gt           0.0406
_refine_ls_shift/su_max          0.0013850
_refine_ls_shift/su_mean         0.0000218
_refine_ls_structure_factor_coef Fsqd
_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:
0.350E+04 0.572E+04 0.371E+04 0.168E+04 427.
;
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.1074
_refine_ls_wR_factor_gt          0.1003
_refine_ls_wR_factor_ref         0.1074
_reflns_limit_h_max              12
_reflns_limit_h_min              -12
_reflns_limit_k_max              16
_reflns_limit_k_min              0
_reflns_limit_l_max              25
_reflns_limit_l_min              0
_reflns_number_gt                4819
_reflns_number_total             5251
_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   0.0443
_oxford_refine_ls_scale          3.50(5)
_oxford_reflns_number_all        5251
_oxford_reflns_threshold_expression_ref I>-10.0\s(I)
_oxford_structure_analysis_title 'smrb03 in P 1 21/n 1'
_cod_data_source_file            c3dt50605c.txt
_cod_data_source_block           complex3
_cod_depositor_comments
;
The following automatic conversions were performed:

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

'_atom_sites_solution_primary' value 'Direct' changed to
'direct' 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 
;
_cod_original_sg_symbol_H-M      'P 1 21/n 1 '
_cod_original_formula_sum        'C12 H14 Ce1 F9 N2 O8'
_cod_database_code               7021626
_iucr_refine_instruction_details_constraints
;
BLOCK SCALE X'S, U'S
CONT EXTPARAM
RIDE C ( 1,X'S) H ( 11,X'S)
RIDE C ( 2,X'S) H ( 23,X'S) H ( 22,X'S) H ( 21,X'S)
RIDE C ( 3,X'S) H ( 33,X'S) H ( 32,X'S) H ( 31,X'S)
RIDE C ( 4,X'S) H ( 41,X'S)
RIDE C ( 5,X'S) H ( 53,X'S) H ( 52,X'S) H ( 51,X'S)
RIDE C ( 6,X'S) H ( 63,X'S) H ( 62,X'S) H ( 61,X'S)
END
;
_iucr_refine_instruction_details_restraints
;
NO
REM HREST START (DO NOT REMOVE THIS LINE)
REM HREST END (DO NOT REMOVE THIS LINE)
END
;