Application of Wallach's Rule in a Comparison of the X-ray Crystal Structures of the Racemate and the (<i>S</i>) Enantiomer of (1-Hydroxy-3-phenyl-2-propenyl) Dimethylphosphonate
Blazis, Vincent J.; Koeller, Kevin J.; Rath, Nigam P.; Spilling, Christopher D.; Acta Crystallographica Section B 53 (1997) 838–842; doi:10.1107/S0108768197005703

data_2101913
_publ_section_title
;
 Application of Wallach's Rule in a Comparison of the X-ray Crystal
 Structures of the Racemate and the (<i>S</i>) Enantiomer of
 (1-Hydroxy-3-phenyl-2-propenyl) Dimethylphosphonate
;
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              838
_journal_page_last               842
_journal_paper_doi               10.1107/S0108768197005703
_journal_volume                  53
_journal_year                    1997
_chemical_formula_sum            'C11 H15 O4 P'
_chemical_formula_weight         242.20
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_audit_creation_method           SHELXL
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.360
_cell_length_b                   8.34400(10)
_cell_length_c                   20.4292(3)
_cell_measurement_reflns_used    7124
_cell_measurement_temperature    193(2)
_cell_measurement_theta_max      26.0
_cell_measurement_theta_min      2.0
_cell_volume                     1254.59(2)
_computing_cell_refinement       'Siemens SAINT'
_computing_data_collection       'Siemens SMART'
_computing_data_reduction        'Siemens SAINT'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1995)'
_computing_publication_material  'SHELXTL (Sheldrick, 1995)'
_computing_structure_refinement  'SHELXTL (Sheldrick, 1995)'
_computing_structure_solution    'SHELXTL (Sheldrick, 1995)'
_diffrn_ambient_temperature      193(2)
_diffrn_measurement_device       'Siemens CCD'
_diffrn_measurement_method       '\w scans'
_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  0.053
_diffrn_reflns_av_sigmaI/netI    0.027
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            21347
_diffrn_reflns_theta_max         27.99
_diffrn_reflns_theta_min         1.99
_diffrn_standards_decay_%        0
_diffrn_standards_number         'see text'
_exptl_absorpt_coefficient_mu    0.215
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.282
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    .
_exptl_crystal_description       irregular
_exptl_crystal_F_000             512
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.34
_refine_diff_density_min         -0.44
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.05(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_all   1.04
_refine_ls_goodness_of_fit_obs   1.05
_refine_ls_hydrogen_treatment    'riding model, see text'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     156
_refine_ls_number_reflns         3023
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.04
_refine_ls_restrained_S_obs      1.05
_refine_ls_R_factor_all          0.046
_refine_ls_R_factor_obs          0.040
_refine_ls_shift/esd_max         0.01
_refine_ls_shift/esd_mean        0.00
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0711P)^2^+0.1111P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         0.107
_refine_ls_wR_factor_obs         0.103
_reflns_number_observed          2692
_reflns_number_total             3023
_reflns_observed_criterion       >2sigma(I)
_cod_data_source_file            bk1251.cif
_cod_data_source_block           cds8696s
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
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_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 

The following automatic conversions were performed:

'_refine_ls_weighting_scheme' value 'calc
w=1/[\s^2^(Fo^2^)+(0.0711P)^2^+0.1111P] where P=(Fo^2^+2Fc^2^)/3' was
changed to 'calc'. New tag '_refine_ls_weighting_details' was
created. The value of the new tag was set to
'w=1/[\s^2^(Fo^2^)+(0.0711P)^2^+0.1111P] where P=(Fo^2^+2Fc^2^)/3'.

Automatic conversion script
Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas 
;
_cod_original_cell_volume        1254.61(2)
_cod_database_code               2101913