The formation of paracetamol (acetaminophen) adducts with hydrogen-bond acceptors
Oswald, Iain D. H.; Allan, David R.; McGregor, Pamela A.; Motherwell, W. D. Samuel; Parsons, Simon; Pulham, Colin R.; Acta Crystallographica Section B 58 (2002) 1057–1066; doi:10.1107/S0108768102015987

data_2103464
_publ_section_title
;
 The formation of paracetamol (acetaminophen) adducts with
 hydrogen-bond acceptors
;
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section B'
_journal_page_first              1057
_journal_page_last               1066
_journal_paper_doi               10.1107/S0108768102015987
_journal_volume                  58
_journal_year                    2002
_chemical_formula_moiety         2[C8H9NO2][C5H11NO]
_chemical_formula_sum            'C21 H29 N3 O5'
_chemical_formula_weight         403.47
_chemical_name_systematic
;
Paracetamol hemi(N-Methylmorpholine)
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 101.145(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   10.5749(8)
_cell_length_b                   11.0221(8)
_cell_length_c                   9.3894(7)
_cell_measurement_reflns_used    2729
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      55
_cell_measurement_theta_min      5
_cell_volume                     1073.77(14)
_computing_cell_refinement       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_method       'phi and omega 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  0.0221
_diffrn_reflns_av_sigmaI/netI    0.0295
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            6517
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         1.96
_diffrn_standards_decay_%        0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.962
_exptl_absorpt_correction_T_min  0.792
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Sadabs
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.248
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Rod
_exptl_crystal_F_000             432
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.216
_refine_diff_density_min         -0.220
_refine_ls_extinction_coef       0.008(3)
_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   0.973
_refine_ls_hydrogen_treatment    riding/refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     147
_refine_ls_number_reflns         2444
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.973
_refine_ls_R_factor_all          0.0515
_refine_ls_R_factor_gt           0.0408
_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^)+(0.0658P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1040
_refine_ls_wR_factor_ref         0.1082
_reflns_number_gt                1890
_reflns_number_total             2444
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            an0622.cif
_cod_data_source_block           parnmm
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multiscan' changed to
'multi-scan' 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 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multiscan'
changed to 'multi-scan' 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:

'_atom_sites_solution_hydrogens' value 'geom/difmap' was changed to
'mixed'.

Automatic conversion script
Id: cif_fix_values 6452 2018-10-05 10:23:21Z andrius 
;
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               2103464
_cod_database_fobs_code          2103464