Generation of Spirotricyclic Site-Differentiated Cyclotriphosphazenes: A Solvent-Free Approach to Multidentate N/O Donor Ligand Systems
Michael Harmjanz; Ingmar M. Piglosiewicz; Brian L. Scott; Carol J. Burns; Inorganic Chemistry 43 (2004) 642–650; doi:10.1021/ic034990b

data_4310447
_publ_contact_author_address
;
 Los Alamos National Laboratory, MS J514, Los Alamos NM 87544
;
_publ_contact_author_email       mharm@lanl.gov
_publ_contact_author_name
;
 Michael Harmjanz, Ingmar M. Piglosiewicz, Brian, L. Scott, Carol J. Burns
;
_publ_section_title
;
 Generation of Spirotricyclic Site-Differentiated Cyclotriphosphazenes: A
 Solvent-Free Approach to Multidentate N/O Donor Ligand Systems
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              642
_journal_page_last               650
_journal_paper_doi               10.1021/ic034990b
_journal_volume                  43
_journal_year                    2004
_chemical_formula_sum            'C26 H37 La N16 O9.5 P3'
_chemical_formula_weight         957.54
_chemical_name_common            'compound 7'
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                76.506(2)
_cell_angle_beta                 81.191(3)
_cell_angle_gamma                78.136(2)
_cell_formula_units_Z            2
_cell_length_a                   9.6291(13)
_cell_length_b                   11.8931(18)
_cell_length_c                   18.220(3)
_cell_measurement_temperature    203(2)
_cell_volume                     1973.4(5)
_computing_cell_refinement       'Bruker SAINT 4.05'
_computing_data_collection       'Bruker SMART 4.210'
_computing_data_reduction        'Bruker SAINT 4.05'
_computing_molecular_graphics    'SHELXTL/NT 5.10'
_computing_publication_material  'SHELXTL/NT 5.10'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      203(2)
_diffrn_measured_fraction_theta_full 0.941
_diffrn_measured_fraction_theta_max 0.941
_diffrn_measurement_device_type  'Bruker P4/PC'
_diffrn_measurement_method       '\f scans'
_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  0.0409
_diffrn_reflns_av_sigmaI/netI    0.0411
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            10925
_diffrn_reflns_theta_full        23.28
_diffrn_reflns_theta_max         23.28
_diffrn_reflns_theta_min         1.16
_diffrn_standards_decay_%        '< 2'
_exptl_absorpt_coefficient_mu    1.274
_exptl_absorpt_correction_T_max  0.8619
_exptl_absorpt_correction_T_min  0.5693
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.611
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       slab
_exptl_crystal_F_000             966
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.618
_refine_diff_density_min         -1.709
_refine_diff_density_rms         0.121
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     478
_refine_ls_number_reflns         5356
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0596
_refine_ls_R_factor_gt           0.0530
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0760P)^2^+9.9164P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1361
_refine_ls_wR_factor_ref         0.1396
_reflns_number_gt                4768
_reflns_number_total             5356
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic034990bsi20031021_052857_5.cif
_cod_data_source_block           7
_cod_original_formula_sum        'C26 H37 N16 O9.50 P3 La'
_cod_database_code               4310447