The first polymorph in the family of nucleobases: a second form of cytosine
Sridhar, Balasubramanian; Nanubolu, Jagadeesh Babu; Ravikumar, Krishnan; Acta Crystallographica Section C 71 (2015) –; doi:10.1107/S2053229615000492

data_2019803
_publ_section_title
;
 The first polymorph in the family of nucleobases: a second form of
 cytosine
;
_journal_coeditor_code           CU3072
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first
;
;
_journal_paper_doi               10.1107/S2053229615000492
_journal_volume                  71
_journal_year                    2015
_chemical_formula_iupac          'C4 H5 N3 O'
_chemical_formula_moiety         'C4 H5 N3 O'
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_chemical_name_common            Cytosine
_chemical_name_systematic        4-Aminopyrimidin-2(1<i>H</i>)-one
_space_group_crystal_system      orthorhombic
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;
SAINT (Bruker, 2001)
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SMART (Bruker, 2001)
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SAINT (Bruker, 2001)
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DIAMOND (Brandenburg & Putz, 2005)
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SHELXL97 (Sheldrick, 2015)
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SHELXL2014 (Sheldrick, 2015)
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SHELXS97 (Sheldrick, 2015)
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;
(SADABS; Bruker, 2001)
;
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'w = 1/[\s^2^(Fo^2^)+(0.0623P)^2^+0.5633P] where P=(Fo^2^+2Fc^2^)/3'
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