Synthesis and Characterisation of Lanthanide N-Trimethylsilyl and -Mesityl Functionalised Bis(iminophosphorano)methanides and -Methanediides
Marshall, G.; Wooles, A.J.; Mills, D.P.; Lewis, W.; Blake, A.J.; Liddle, S.T.; Inorganics 1 (2013) 46–69; doi:10.3390/inorganics1010046

data_1556453
_publ_section_title
;
 Synthesis and Characterisation of Lanthanide N-Trimethylsilyl and
 -Mesityl Functionalised Bis(iminophosphorano)methanides and
 -Methanediides
;
_journal_name_full               Inorganics
_journal_page_first              46
_journal_page_last               69
_journal_paper_doi               10.3390/inorganics1010046
_journal_volume                  1
_journal_year                    2013
_chemical_formula_moiety         'C62 H78 I4 La2 N4 P4 Si4, 2(C7 H8)'
_chemical_formula_sum            'C76 H94 I4 La2 N4 P4 Si4'
_chemical_formula_weight         2085.21
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   'geom, Me from difmap'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 122.332(9)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   36.332(2)
_cell_length_b                   12.8545(4)
_cell_length_c                   21.6820(13)
_cell_measurement_reflns_used    10797
_cell_measurement_temperature    90(2)
_cell_measurement_theta_max      74.49
_cell_measurement_theta_min      3.72
_cell_volume                     8556.2(11)
_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    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material
'enCIFer(Allen et al.,2004);PLATON(Spek,2003)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      90(2)
_diffrn_detector_area_resol_mean 10.3613
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  'SuperNova, Single source at offset), Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Cu) X-ray Source'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.5418
_diffrn_reflns_av_R_equivalents  0.076
_diffrn_reflns_av_sigmaI/netI    0.058
_diffrn_reflns_limit_h_max       41
_diffrn_reflns_limit_h_min       -45
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            25755
_diffrn_reflns_theta_full        67.50
_diffrn_reflns_theta_max         74.66
_diffrn_reflns_theta_min         3.73
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count .
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    20.494
_exptl_absorpt_correction_T_max  0.852
_exptl_absorpt_correction_T_min  0.087
_exptl_absorpt_correction_type   gaussian
_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            colourless
_exptl_crystal_density_diffrn    1.619
_exptl_crystal_description       plate
_exptl_crystal_F_000             4080
_exptl_crystal_size_max          0.237
_exptl_crystal_size_mid          0.155
_exptl_crystal_size_min          0.022
_refine_diff_density_max         2.27
_refine_diff_density_min         -1.51
_refine_diff_density_rms         0.21
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.04
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     426
_refine_ls_number_reflns         8532
_refine_ls_number_restraints     153
_refine_ls_restrained_S_all      1.03
_refine_ls_R_factor_all          0.0771
_refine_ls_R_factor_gt           0.0570
_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^)+(0.077P)^2^+167.0P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.146
_refine_ls_wR_factor_ref         0.158
_reflns_number_gt                6688
_reflns_number_total             8532
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            inorganics-01-00046-s001.cif
_cod_data_source_block           2
_cod_original_cell_volume        8556.3(11)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               1556453