Crystal structures of tolfenamic acid polymorphic forms I and II with precise hydrogen-atom positions for nuclear magnetic resonance studies
Blade, Helen; Blundell, Charles D.; Vitorica-Yrezabal, Iñigo J.; Acta Crystallographica Section E 76 (2020) 1421–1426; doi:10.1107/S2056989020010841

data_2243536
_publ_section_title
;
 Crystal structures of tolfenamic acid polymorphic forms I and II with
 precise hydrogen-atom positions for nuclear magnetic resonance studies
;
_journal_coeditor_code           HB7936
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              1421
_journal_page_last               1426
_journal_paper_doi               10.1107/S2056989020010841
_journal_volume                  76
_journal_year                    2020
_chemical_formula_iupac          'C14 H12 Cl N O2'
_chemical_formula_moiety         'C14 H12 Cl N O2'
_chemical_formula_sum            'C14 H12 Cl N O2'
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_chemical_name_systematic
;
2-(3-Chloro-2-methylanilino)benzoic acid
;
_space_group_crystal_system      monoclinic
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_space_group_name_Hall           '-P 2ybc'
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Olex2 1.3
(compiled 2019.09.11 svn.r3662 for OlexSys, GUI svn.r5938)
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CrysAlisPro (Rigaku OD, 2017)
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CrysAlisPro (Rigaku OD, 2017)
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CrysAlisPro (Rigaku OD, 2017)
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<i>OLEX2</i> (Dolomanov <i>et al.</i>,  2009)
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<i>OLEX2</i> (Dolomanov <i>et al.</i>,  2009)
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<i>olex2.refine</i> (Bourhis <i>et al.</i>,  2015)
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SHELXT (Sheldrick, 2015a)
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;
(CrysAlisPro; Rigaku, 2017)
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'w=1/[\s^2^(Fo^2^)+(0.0000P)^2^+0.9870P] where P=(Fo^2^+2Fc^2^)/3'
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