Relationships between the racemic structures of substituted mandelic acids containing 8- and 10-membered hydrogen bonded dimer rings
Coles, S. J.; Ellis, A. L.; Leung, K.; Sarson, J.; Threlfall, T. L.; Tizzard, G. J.; CrystEngComm 16 (2014) 10816–; doi:10.1039/C4CE01832J

data_7218457
_publ_section_title
;
 Relationships between the racemic structures of substituted mandelic
 acids containing 8- and 10-membered hydrogen bonded dimer rings
;
_journal_issue                   47
_journal_name_full               CrystEngComm
_journal_page_first              10816
_journal_paper_doi               10.1039/C4CE01832J
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C8 H7 Br O3'
_chemical_formula_sum            'C8 H7 Br O3'
_chemical_formula_weight         231.05
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     iterative
_atom_sites_solution_secondary   difmap
_audit_creation_date             2014-05-07
_audit_creation_method
;
Olex2 1.2
(compiled 2014.03.20 svn.r2914 for OlexSys, GUI svn.r4816)
;
_cell_angle_alpha                92.436(8)
_cell_angle_beta                 90.260(8)
_cell_angle_gamma                94.119(8)
_cell_formula_units_Z            4
_cell_length_a                   8.8285(5)
_cell_length_b                   9.3102(7)
_cell_length_c                   10.4698(7)
_cell_measurement_reflns_used    8936
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.9
_cell_volume                     857.54(10)
_computing_cell_refinement       'CrystalClear-SM Expert 3.1 b27 (Rigaku, 2013)'
_computing_data_collection       'CrystalClear-SM Expert 3.1 b27 (Rigaku, 2013)'
_computing_data_reduction        'CrystalClear-SM Expert 3.1 b27 (Rigaku, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL-1997 (Sheldrick, 2008)'
_computing_structure_solution
;
Superflip (Palatinus & Chapuis, 2007;Palatinus & van der Lee, 2008;
Palatinus et al., 2012)
;
_diffrn_ambient_temperature      100(2)
_diffrn_detector                 'CCD area detector'
_diffrn_detector_area_resol_mean 28.5714
_diffrn_detector_type            'Rigaku HG Saturn724+ (2x2 bin mode)'
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device       'four-circle \k diffractometer'
_diffrn_measurement_device_type  'Rigaku AFC12 (Right)'
_diffrn_measurement_method       'profile data from \w-scans'
_diffrn_measurement_specimen_support 'MiTeGen MicroMesh'
_diffrn_orient_matrix_type       d*Trek
_diffrn_orient_matrix_UB_11      -0.011639
_diffrn_orient_matrix_UB_12      -0.029307
_diffrn_orient_matrix_UB_13      -0.109100
_diffrn_orient_matrix_UB_21      -0.077963
_diffrn_orient_matrix_UB_22      0.071939
_diffrn_orient_matrix_UB_23      -0.019095
_diffrn_orient_matrix_UB_31      0.062787
_diffrn_orient_matrix_UB_32      0.067409
_diffrn_orient_matrix_UB_33      -0.025564
_diffrn_radiation_collimation    0.3
_diffrn_radiation_monochromator  'Confocal mirrors, HF Varimax'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0646
_diffrn_reflns_av_unetI/netI     0.0856
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            10931
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         2.87
_diffrn_source                   'Rotating Anode'
_diffrn_source_current           55.0
_diffrn_source_power             2.475
_diffrn_source_target            Mo
_diffrn_source_type              'Rotating Anode'
_diffrn_source_voltage           45.0
_exptl_absorpt_coefficient_mu    4.755
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.770
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrystalClear-SM Expert 3.1 b27 (Rigaku, 2013)
;
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.790
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             456
_exptl_crystal_size_max          0.03
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.781
_refine_diff_density_min         -0.741
_refine_diff_density_rms         0.122
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.036
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     221
_refine_ls_number_reflns         3907
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.036
_refine_ls_R_factor_all          0.0984
_refine_ls_R_factor_gt           0.0516
_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^)+(0.0307P)^2^+0.7511P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0864
_refine_ls_wR_factor_ref         0.1005
_reflns_number_gt                2551
_reflns_number_total             3907
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce01832j2.cif
_cod_data_source_block           3br_una
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2827 2014-09-09 07:05:25Z andrius 

 Adding full bibliography for 7218452--7218470.cif.
;
_cod_original_formula_sum        'C8 H7 Br1 O3 '
_cod_database_code               7218457
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All O(H) groups
2.a Ternary CH refined with riding coordinates:
 C7(H7), C107(H107)
2.b Aromatic/amide H refined with riding coordinates:
 C2(H2), C4(H4), C5(H5), C6(H6), C102(H102), C104(H104), C105(H105), C106(H106)
2.c Idealised tetrahedral OH refined as rotating group:
 O1(H1), O3(H3), O101(H101), O103(H103)
;