Dimorphism in 4,4,6,6-tetrachloro-2,2-(2,2-dimethylpropane-1,3-dioxy)cyclotriphosphazene and 6,6-dichloro-2,2:4,4-bis(2,2-dimethylpropane-1,3-dioxy)cyclotriphosphazene
Coles, Simon J.; Davies, David B.; Hacıvelioğlu, Ferda; Hursthouse, Michael B.; İbişoğlu, Hanife; Kılıç, Adem; Shaw, Robert A.; Acta Crystallographica Section C 63 (2007) o152–o156; doi:10.1107/S0108270107003046

data_2015852
_publ_section_title
;
 Dimorphism in
 4,4,6,6-tetrachloro-2,2-(2,2-dimethylpropane-1,3-dioxy)cyclotriphosphazene
 and
 6,6-dichloro-2,2:4,4-bis(2,2-dimethylpropane-1,3-dioxy)cyclotriphosphazene
;
_journal_coeditor_code           GD3078
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o152
_journal_page_last               o156
_journal_paper_doi               10.1107/S0108270107003046
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C10 H20 Cl2 N3 O4 P3'
_chemical_formula_moiety         'C10 H20 Cl2 N3 O4 P3'
_chemical_formula_sum            'C10 H20 Cl2 N3 O4 P3'
_chemical_formula_weight         410.1
_chemical_name_systematic
;
6,6-dichlorocyclo-2,2:4,4-bis(2,2-dimethylpropane-1,3-dioxy)triphosphazene
;
_space_group_IT_number           62
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2n'
_symmetry_space_group_name_H-M   'P n m a'
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.7673(2)
_cell_length_b                   9.23250(10)
_cell_length_c                   16.3007(3)
_cell_measurement_reflns_used    10345
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.91
_cell_volume                     1770.93(5)
_computing_cell_refinement       'DENZO (Otwinowski & Minor, 1997) and COLLECT'
_computing_data_collection       'COLLECT (Hooft, 1998)'
_computing_data_reduction        'DENZO and COLLECT'
_computing_molecular_graphics
'PLATON (Spek, 2003) and WinGX (Farrugia, 1999)'
_computing_publication_material  'publCIF (Westrip, 2007)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker--Nonius KappaCCD area-detector'
_diffrn_measurement_method       '\f & \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.057
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            20492
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.04
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    0.656
_exptl_absorpt_correction_T_max  0.9255
_exptl_absorpt_correction_T_min  0.7795
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SORTAV ;Blessing, 1997)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.538
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             848
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.425
_refine_diff_density_min         -0.474
_refine_ls_extinction_coef       0.0182(14)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.095
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     139
_refine_ls_number_reflns         2143
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.093
_refine_ls_R_factor_gt           0.0288
_refine_ls_shift/su_max          0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0367P)^2^+1.1012P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.0776
_reflns_number_gt                1974
_reflns_number_total             2143
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            gd3078.cif
_cod_data_source_block           IIa
_cod_database_code               2015852
_cod_database_fobs_code          2015852