Structural and Energetic Landscape of Fluorinated 1,4-Phenylenediboronic Acids
Durka, Krzysztof; Jarzembska, Katarzyna N.; Kamiński, Radosław; Luliński, Sergiusz; Serwatowski, Janusz; Woźniak, Krzysztof; Crystal Growth & Design 12 (2012) 3720–; doi:10.1021/cg3005272

data_4506379
_publ_section_title
;
 Structural and Energetic Landscape of Fluorinated 1,4-Phenylenediboronic
 Acids
;
_journal_issue                   7
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              3720
_journal_paper_doi               10.1021/cg3005272
_journal_volume                  12
_journal_year                    2012
_chemical_formula_moiety         'C6 H6 B2 F2 O4, H2 O'
_chemical_formula_sum            'C6 H8 B2 F2 O5'
_chemical_formula_weight         219.74
_chemical_melting_point          ?
_chemical_name_systematic        '2,6-difluoro-1,4-benzenediboronic acid'
_space_group_IT_number           66
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-C 2 2c'
_symmetry_space_group_name_H-M   'C c c m'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.207(2)
_cell_length_b                   7.3290(14)
_cell_length_c                   10.0807(19)
_cell_measurement_reflns_used    8378
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.5774
_cell_measurement_theta_min      2.7731
_cell_volume                     901.9(3)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.28cycle4 beta (release 11-11-2005 CrysAlis171 .NET)
(compiled Nov 11 2005,15:50:43)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.28cycle4 beta (release 11-11-2005 CrysAlis171 .NET)
(compiled Nov 11 2005,15:50:43)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.28cycle4 beta (release 11-11-2005 CrysAlis171 .NET)
(compiled Nov 11 2005,15:50:43)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.985
_diffrn_measurement_device_type  'KUMA CCD'
_diffrn_measurement_method       'omega scan'
_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  0.0215
_diffrn_reflns_av_sigmaI/netI    0.0127
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            8047
_diffrn_reflns_theta_full        28.68
_diffrn_reflns_theta_max         28.68
_diffrn_reflns_theta_min         3.24
_diffrn_standards_interval_count '5o frames'
_diffrn_standards_number         '1 frame'
_exptl_absorpt_coefficient_mu    0.156
_exptl_absorpt_process_details
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.28cycle4 beta (release 11-11-2005 CrysAlis171 .NET)
(compiled Nov 11 2005,15:50:43)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.618
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             448
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.09
_refine_diff_density_max         0.471
_refine_diff_density_min         -0.208
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     51
_refine_ls_number_reflns         610
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.085
_refine_ls_R_factor_all          0.0370
_refine_ls_R_factor_gt           0.0302
_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^)+(0.0554P)^2^+0.2532P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0890
_refine_ls_wR_factor_ref         0.0913
_reflns_number_gt                503
_reflns_number_total             610
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg3005272_si_002.cif
_cod_data_source_block           26dF
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value 'not measured' was changed to '?' -
the value is undefined or not given.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_Hall     -C22c
_cod_original_sg_symbol_H-M      Cccm
_cod_database_code               4506379