A Convenient Route to Lanthanide Triiodide THF Solvates. Crystal Structures of LnI3(THF)4 [Ln = Pr] and LnI3(THF)3.5 [Ln = Nd, Gd, Y]
Keith Izod; Stephen T. Liddle; William Clegg; Inorganic Chemistry 43 (2004) 214–218; doi:10.1021/ic034851u

data_4310329
_publ_section_title
;
 A Convenient Route to Lanthanide Triiodide THF Solvates. Crystal
 Structures of LnI3(THF)4 [Ln = Pr] and LnI3(THF)3.5 [Ln = Nd, Gd, Y]
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              214
_journal_page_last               218
_journal_paper_doi               10.1021/ic034851u
_journal_volume                  43
_journal_year                    2004
_chemical_formula_sum            'C16 H32 I3 O4 Pr'
_chemical_formula_weight         810.03
_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     heavy
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 92.883(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.6820(4)
_cell_length_b                   17.3291(7)
_cell_length_c                   16.5834(7)
_cell_measurement_reflns_used    32767
_cell_measurement_temperature    160(2)
_cell_measurement_theta_max      28.64
_cell_measurement_theta_min      2.35
_cell_volume                     2491.84(19)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL and local programs'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      160(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.936
_diffrn_measurement_device_type  'Bruker SMART 1K CCD diffractometer'
_diffrn_measurement_method       '\w rotation with narrow frames'
_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  0.0264
_diffrn_reflns_av_sigmaI/netI    0.0248
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            21557
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         28.64
_diffrn_reflns_theta_min         1.70
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.686
_exptl_absorpt_correction_T_max  0.463
_exptl_absorpt_correction_T_min  0.156
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    2.159
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1512
_exptl_crystal_size_max          0.52
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         1.054
_refine_diff_density_min         -1.116
_refine_diff_density_rms         0.124
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.099
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         5995
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.099
_refine_ls_R_factor_all          0.0312
_refine_ls_R_factor_gt           0.0252
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0183P)^2^+4.3705P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0521
_refine_ls_wR_factor_ref         0.0538
_reflns_number_gt                5277
_reflns_number_total             5995
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            ic034851usi20030718_093053.cif
_cod_data_source_block           ki104
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               4310329