Structural investigations of phosphorus–nitrogen compounds. 5. Relationships between molecular parameters of 2,2-diphenyl-4,6-<i>cis</i>-oxytetra(ethyleneoxy)-4,6-<i>R</i>~2~-cyclotriphosphazatrienes (<i>R</i> = Cl, OCH~2~CF~3~, OPh, OMe, NHPh, NHBu^<i>t^</i>) and substituent basicity constants
Beşli, Serap; Coles, Simon J.; Davies, David B.; Hursthouse, Michael B.; Kılıç, Adem; Mayer, Thomas A.; Shaw, Robert A.; Acta Crystallographica Section B 58 (2002) 1067–1073; doi:10.1107/S0108768102018608

data_2103473
_publ_section_title
;Structural investigations of phosphorus--nitrogen compounds. 5. Relationships
 between molecular parameters of
 2,2-diphenyl-4,6-<i>cis</i>-oxytetra(ethyleneoxy)-4,6-<i>R</i>~2~-cyclotriphosphazatrienes
 (<i>R</i> = Cl, OCH~2~CF~3~, OPh, OMe, NHPh, NHBu^<i>t^</i>) and substituent
 basicity constants
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              1067
_journal_page_last               1073
_journal_paper_doi               10.1107/S0108768102018608
_journal_volume                  58
_journal_year                    2002
_chemical_formula_sum            'C20 H26 Cl2 N3 O5 P3'
_chemical_formula_weight         552.25
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 114.44(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.618(4)
_cell_length_b                   8.1109(16)
_cell_length_c                   19.284(4)
_cell_measurement_reflns_used    7188
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     2508.7(11)
_computing_cell_refinement       'DENZO & COLLECT'
_computing_data_collection
'DENZO (Otwinowski & Minor, 1997) and COLLECT (Hooft, 1998)'
_computing_data_reduction        'DENZO & COLLECT'
_computing_molecular_graphics    'PLATON (Spek, 1990)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.984
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0446
_diffrn_reflns_av_sigmaI/netI    0.0535
_diffrn_reflns_limit_h_max       22
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            17345
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.17
_exptl_absorpt_coefficient_mu    0.487
_exptl_absorpt_correction_T_max  0.9394
_exptl_absorpt_correction_T_min  0.8598
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SORTAV (Blessing, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.462
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1144
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.321
_refine_diff_density_min         -0.461
_refine_ls_extinction_coef       0.0041(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.013
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     299
_refine_ls_number_reflns         5657
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.013
_refine_ls_R_factor_all          0.0614
_refine_ls_R_factor_gt           0.0390
_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^)+(0.0421P)^2^+1.1841P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0905
_refine_ls_wR_factor_ref         0.1023
_reflns_number_gt                4268
_reflns_number_total             5657
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            bm0058.cif
_cod_data_source_block           3
_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 

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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2508.8(9)
_cod_original_sg_symbol_H-M      P2~1~/n
_cod_database_code               2103473
_cod_database_fobs_code          2103473