Crystal structure of chiral ortho-alkyl phenyl ethers of glycerol: true racemic compound, normal, false and anomalous conglomerates within the single five-membered family
Gubaidullin, Aidar T.; Samigullina, Aida I.; Bredikhina, Zemfira A.; Bredikhin, Alexander A.; CrystEngComm 16 (2014) 6716–; doi:10.1039/c4ce00519h

data_7215224
_publ_section_title
;
 Crystal structure of chiral ortho-alkyl phenyl ethers of glycerol: true
 racemic compound, normal, false and anomalous conglomerates within the
 single five-membered family
;
_journal_issue                   29
_journal_name_full               CrystEngComm
_journal_page_first              6716
_journal_paper_doi               10.1039/c4ce00519h
_journal_volume                  16
_journal_year                    2014
_chemical_absolute_configuration rm
_chemical_formula_moiety         'C12 H18 O3'
_chemical_formula_sum            'C12 H18 O3'
_chemical_formula_weight         210.26
_space_group_IT_number           45
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      45
_symmetry_space_group_name_Hall  'I 2 -2c'
_symmetry_space_group_name_H-M   'I b a 2'
_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            8
_cell_length_a                   15.3830(19)
_cell_length_b                   20.014(3)
_cell_length_c                   7.6027(11)
_cell_measurement_reflns_used    1451
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      25.74
_cell_measurement_theta_min      4.07
_cell_volume                     2340.7(6)
_computing_cell_refinement       'APEX2 v2008.6-1 (Bruker AXS)'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'SAINT V7.34A (Bruker AXS, 2006)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'Bruker APEX-II 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  0.0380
_diffrn_reflns_av_sigmaI/netI    0.0518
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            4965
_diffrn_reflns_theta_full        25.99
_diffrn_reflns_theta_max         25.99
_diffrn_reflns_theta_min         1.67
_exptl_absorpt_coefficient_mu    0.084
_exptl_absorpt_correction_T_max  0.9983
_exptl_absorpt_correction_T_min  0.9457
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
G.M. Sheldrick (1998a). SADABS v.2.01, Bruker.
Siemens Area Detector Absorption Correction Program.
Bruker AXS. Madison. Wisconsin. USA
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.193
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             912
_exptl_crystal_size_max          0.67
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.279
_refine_diff_density_min         -0.178
_refine_diff_density_rms         0.038
_refine_ls_extinction_coef       0.0036(9)
_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   1.057
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     147
_refine_ls_number_reflns         2172
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0662
_refine_ls_R_factor_gt           0.0468
_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^)+(0.0391P)^2^+1.4284P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0990
_refine_ls_wR_factor_ref         0.1084
_reflns_number_gt                1707
_reflns_number_total             2172
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce00519h1.cif
_cod_data_source_block           bred_sm47pr2
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 2281 2013-09-26 08:29:07Z andrius 

 Adding full bibliography for 7215219--7215224.cif.
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_cod_database_code               7215224