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4'-[2-(Trifluoro-meth-yl)phen-yl]-2,2':6',2''-terpyridine.


ABSTRACT: The title compound, C(22)H(14)F(3)N(3), is a versatile tridentate N-donor ligand consisting of a terpyridyl (terpy) molecule substituted in the 4'-position by a phenyl group, itself substituted in an ortho-position by a bulky trifluoro-methyl group. The phenyl ring is twisted as a result of steric inter-actions involving the bulky trifluoro-methyl substituent. This is reflected in the dihedral angle between the mean plane through the C atoms of the phenyl ring and the terpyridyl unit being 69.2?(1)°. The crystal structure contains no short van der Waals contacts. However, the terpy units stack in a head-to-tail orientation perpendicular to the c axis. The structure is is loosely stabilized by ?-? inter-actions between the terminal pyridine rings of adjacent mol-ecules along the stack. The perpendicular distance between the mean planes through the terpy moieties of adjacent mol-ecules is 3.4?(1)?Å.

SUBMITTER: Ledwaba P 

PROVIDER: S-EPMC2968217 | biostudies-literature | 2009 Jan

REPOSITORIES: biostudies-literature

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4'-[2-(Trifluoro-meth-yl)phen-yl]-2,2':6',2''-terpyridine.

Ledwaba Peter P   Munro Orde Q OQ   Stewart Kirsty K  

Acta crystallographica. Section E, Structure reports online 20090123 Pt 2


The title compound, C(22)H(14)F(3)N(3), is a versatile tridentate N-donor ligand consisting of a terpyridyl (terpy) molecule substituted in the 4'-position by a phenyl group, itself substituted in an ortho-position by a bulky trifluoro-methyl group. The phenyl ring is twisted as a result of steric inter-actions involving the bulky trifluoro-methyl substituent. This is reflected in the dihedral angle between the mean plane through the C atoms of the phenyl ring and the terpyridyl unit being 69.2   ...[more]

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