Trivalent scandium, yttrium and lanthanide complexes with thia-oxa and selena-oxa macrocycles and crown ether coordination.
Champion, Martin J. D.; Farina, Paolo; Levason, William; Reid, Gillian; Dalton transactions (Cambridge, England : 2003) 42 (2013) 13179–13189; doi:10.1039/c3dt51405f

data_7702893
_publ_section_title
;
 Trivalent scandium, yttrium and lanthanide complexes with thia-oxa and
 selena-oxa macrocycles and crown ether coordination.
;
_journal_issue                   36
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              13179
_journal_page_last               13189
_journal_paper_doi               10.1039/c3dt51405f
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C14 H27 I2 La N1 O6 1+, I 1-, 0.5(C2 H3 N)'
_chemical_formula_structural
'((C12 H24 O6) (C2 H3 N) I2 La) I (C2 H3 N)0.5'
_chemical_formula_sum            'C15 H28.5 I3 La N1.5 O6'
_chemical_formula_weight         845.50
_chemical_name_systematic
; 
 acetonitrile-1,4,7,10,13,16-hexaoxacyclooctadecane-diiodolanthanum(III) 
 iodide acetonitrile solvate 
;
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_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_date             2012-09-30
_audit_creation_method           'SHELXL-97 + hand edit'
_cell_angle_alpha                90.00
_cell_angle_beta                 91.469(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.1091(11)
_cell_length_b                   21.599(3)
_cell_length_c                   29.150(4)
_cell_measurement_reflns_used    10815
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      31.2
_cell_measurement_theta_min      2.1
_cell_volume                     5103.9(12)
_computing_cell_refinement
'CrystalClear-SM Expert 2.0 r7 (Rigaku, 2011)'
_computing_data_collection
'CrystalClear-SM Expert 2.0 r7 (Rigaku, 2011)'
_computing_data_reduction
'CrystalClear-SM Expert 2.0 r7 (Rigaku, 2011)'
_computing_molecular_graphics    'ORTEP-III (Farrugia, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_type            'Rigaku HG Saturn724+ (2x2 bin mode)'
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device       'Four-circle \k diffractometer'
_diffrn_measurement_device_type  'Rigaku AFC12 '
_diffrn_measurement_method       'Profile data from \w-scans'
_diffrn_radiation_collimation    'Confocal mirrors, VHF VariMax '
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0316
_diffrn_reflns_av_unetI/netI     0.1060
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       27
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            23074
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.30
_diffrn_source                   'Rotating anode X-ray tube'
_diffrn_source_type              'Rigaku FR-E+ Superbright'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.330
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.844
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 Jacobson, R.A. (1998). REQAB. Private communication to the 
 Rigaku Corporation, Tokyo, Japan.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.201
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             3144
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.364
_refine_diff_density_min         -1.237
_refine_diff_density_rms         0.144
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.884
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     481
_refine_ls_number_reflns         11528
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.884
_refine_ls_R_factor_all          0.0354
_refine_ls_R_factor_gt           0.0283
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0169P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0518
_refine_ls_wR_factor_ref         0.0541
_reflns_number_gt                8843
_reflns_number_total             11528
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            c3dt51405f.txt
_cod_data_source_block           12mjdc231
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_original_formula_sum        'C15 H28.50 I3 La N1.50 O6'
_cod_database_code               7702893