Chiral multidentate oxazoline ligands based on cyclophosphazene cores: synthesis, characterization and complexation studies.
Kumar, Dheeraj; Singh, Jatinder; Elias, Anil J.; Dalton transactions (Cambridge, England : 2003) 43 (2014) 13899–13912; doi:10.1039/c4dt01741b

data_7032394
_publ_section_title
;
 Chiral multidentate oxazoline ligands based on cyclophosphazene cores:
 synthesis, characterization and complexation studies.
;
_journal_issue                   37
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              13899
_journal_page_last               13912
_journal_paper_doi               10.1039/c4dt01741b
_journal_volume                  43
_journal_year                    2014
_chemical_formula_moiety         'C40 H34 N3 O6 P3'
_chemical_formula_sum            'C40 H34 N3 O6 P3'
_chemical_formula_weight         745.61
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
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_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
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_cell_angle_alpha                96.588(5)
_cell_angle_beta                 104.136(5)
_cell_angle_gamma                104.661(5)
_cell_formula_units_Z            2
_cell_length_a                   9.767(3)
_cell_length_b                   10.775(3)
_cell_length_c                   19.152(5)
_cell_measurement_temperature    298(2)
_cell_volume                     1857.1(9)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0486
_diffrn_reflns_av_sigmaI/netI    0.0669
_diffrn_reflns_limit_h_max       11
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_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
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_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            18036
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_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.12
_exptl_absorpt_coefficient_mu    0.212
_exptl_absorpt_correction_T_max  0.974
_exptl_absorpt_correction_T_min  0.966
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Bruker, 2000)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.333
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.165
_exptl_crystal_size_mid          0.154
_exptl_crystal_size_min          0.125
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_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
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_refine_ls_matrix_type           full
_refine_ls_number_parameters     471
_refine_ls_number_reflns         6531
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.0966
_refine_ls_R_factor_gt           0.0566
_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^)+(0.0808P)^2^+0.0922P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_refine_ls_wR_factor_ref         0.1609
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_reflns_number_total             6540
_reflns_threshold_expression     >2sigma(I)
_cod_duplicate_entry             7031756
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_cod_data_source_block           compd1
_cod_original_sg_symbol_Hall     -P1
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7032394