Regioregular Polymerization of Fluorine-Containing Epoxides
Sakakibara, Ken; Nakano, Koji; Nozaki, Kyoko; Macromolecules 40 (2007) 6136–; doi:10.1021/ma070428j

data_1505133
_publ_section_title
;
 Regioregular Polymerization of Fluorine-Containing Epoxides
;
_journal_issue                   17
_journal_name_full               Macromolecules
_journal_page_first              6136
_journal_paper_doi               10.1021/ma070428j
_journal_volume                  40
_journal_year                    2007
_chemical_absolute_configuration unk
_chemical_formula_sum            'C16 H10 F5 I O4'
_chemical_formula_weight         488.14
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           4
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.000(6)
_cell_angle_beta                 96.930(7)
_cell_angle_gamma                90.000(6)
_cell_formula_units_Z            2
_cell_length_a                   5.320(8)
_cell_length_b                   8.240(12)
_cell_length_c                   18.92(3)
_cell_measurement_reflns_used    2402
_cell_measurement_temperature    103.1500
_cell_measurement_theta_max      27.4835
_cell_measurement_theta_min      3.2542
_cell_volume                     823(2)
_computing_cell_refinement       'RIGAKU CrystalClear'
_computing_data_collection       'RIGAKU CrystalClear'
_computing_data_reduction        'RIGAKU CrystalClear'
_computing_molecular_graphics    ORTEP-III
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    SIR-97
_diffrn_ambient_temperature      103(2)
_diffrn_detector_area_resol_mean 7.31
_diffrn_measured_fraction_theta_full 0.962
_diffrn_measured_fraction_theta_max 0.962
_diffrn_measurement_device_type  'RIGAKU/MSC Meacury CCD'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0447
_diffrn_reflns_av_sigmaI/netI    0.0547
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            4681
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.25
_exptl_absorpt_coefficient_mu    2.018
_exptl_absorpt_correction_T_max  0.8236
_exptl_absorpt_correction_T_min  0.3772
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.969
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Platelet
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.60
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.594
_refine_diff_density_min         -1.497
_refine_diff_density_rms         0.159
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.02(5)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.066
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_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         2579
_refine_ls_number_restraints     1
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_refine_ls_R_factor_all          0.0590
_refine_ls_R_factor_gt           0.0553
_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^)+(0.1051P)^2^+0.3873P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1491
_refine_ls_wR_factor_ref         0.1528
_reflns_number_gt                2359
_reflns_number_total             2579
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ma070428jrom20070217_032642.cif
_cod_data_source_block           ks6z23b
_cod_depositor_comments
;
The following automatic conversions were performed:
'_atom_site_symetry_multiplicity' tag replaced with
'_atom_site_symmetry_multiplicity'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z 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.

'_exptl_absorpt_correction_type' value 'Multi-scan'
changed to 'multi-scan' 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_sg_symbol_H-M      P21
_cod_database_code               1505133