Two types of monoethyl α-anilinobenzylphosphonates: a zwitterion and a molecular compound
Višnjevac, Aleksandar; Tušek-Božić, Ljerka; Acta Crystallographica Section C 60 (2004) o434–o437; doi:10.1107/S0108270104009497

data_2014021
_publ_section_title
;
 Two types of monoethyl \a-anilinobenzylphosphonates: a zwitterion and
 a molecular compound
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o434
_journal_page_last               o437
_journal_paper_doi               10.1107/S0108270104009497
_journal_volume                  60
_journal_year                    2004
_chemical_formula_iupac          'C15 H18 N1 O3 P1'
_chemical_formula_moiety         'C15 H18 N1 O3 P1'
_chemical_formula_sum            'C15 H18 N O3 P'
_chemical_formula_weight         291.29
_chemical_name_common            Ethyl-\a-anilinobenzylphosphonate
_chemical_name_systematic
;
Monoethyl [\a-(phenylaminio)benzyl]phosphonate
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 109.940(10)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   23.448(2)
_cell_length_b                   6.3510(5)
_cell_length_c                   20.790(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      20.52
_cell_measurement_theta_min      9.22
_cell_volume                     2910.4(6)
_computing_cell_refinement       'CAD-4 EXPRESS'
_computing_data_collection       'CAD-4 EXPRESS (Enraf-Nonius, 1994)'
_computing_data_reduction        'XCAD4 (Harms & Wocadlo, 1995)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR2002 (Burla et al., 2003)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       '\k-geometry diffractometer'
_diffrn_measurement_device_type  'Enraf-Nonius CAD-4'
_diffrn_measurement_method       'non-profiled \w/2\q'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54179
_diffrn_reflns_av_R_equivalents  0.0295
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       0
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       0
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            3121
_diffrn_reflns_theta_full        76.12
_diffrn_reflns_theta_max         76.12
_diffrn_reflns_theta_min         4.01
_diffrn_standards_decay_%        1
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    1.739
_exptl_absorpt_correction_T_max  0.9142
_exptl_absorpt_correction_T_min  0.8623
_exptl_absorpt_correction_type   '\y scan'
_exptl_absorpt_process_details   '(North et al., 1968)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.329
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
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_exptl_crystal_size_mid          0.08
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_refine_ls_number_restraints     0
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_refine_ls_R_factor_all          0.091
_refine_ls_R_factor_gt           0.0499
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.0680P)^2^+1.6186P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1156
_refine_ls_wR_factor_ref         0.1329
_reflns_number_gt                2177
_reflns_number_total             3029
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hj1006.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_original_formula_sum        'C15 H18 N1 O3 P1'
_cod_database_code               2014021
_cod_database_fobs_code          2014021