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Abstract
In the title complex, [FeZn(C5H5)(C20H14N3)(C12H8N2)](ClO4)2·CH3CN, the ZnII atom is five-coordinated by a tridentate chelating 4′-ferrocenyl-2,2′:6′,2′′-terpyridine (fctpy) ligand and a bidentate chelating 1,10-phenanthroline (phen) ligand in a distorted square-pyramidal environment with a phen N atom located at the apical position [Zn—N = 2.259 (4) Å]. The terpyridyl motif in each fctpy ligand is coplanar, but the cyclopentadienyl ring is twisted by 9.5 (2)° out of coplanarity with each central pyridine. The two cyclopentadienyl rings of the ferrocenyl group are almost eclipsed with a deviation of 4.5 (1)°. In addition, intermolecular π–π interactions [centroid–centroid distance 3.753 (2) Å] are present between the cyclopentadienyl and outer pyridyl rings of the fctpy ligands. One of the perchlorate anions is equally disordered over two positions.
Highlights
In the title complex, [FeZn(C5H5)(C20H14N3)(C12H8N2)](ClO4)2ÁCH3CN, the ZnII atom is five-coordinated by a tridentate chelating 40-ferrocenyl-2,20:60,200-terpyridine ligand and a bidentate chelating 1,10-phenanthroline ligand in a distorted square-pyramidal environment with a phen N atom located at the apical position [Zn—N = 2.259 (4) A ]
The two cyclopentadienyl rings of the ferrocenyl group are almost eclipsed with a deviation of 4.5 (1)
O5′—Cl2—O7 O7′—Cl2—O7 O8′—Cl2—O7 O6—Cl2—O7 O5—Cl2—O7 O8—Cl2—O6′ O5′—Cl2—O6′ O7′—Cl2—O6′ O8′—Cl2—O6′ O5—Cl2—O6′ O7—Cl2—O6′ N6—C39—C38 C39—C38—H38A C39—C38—H38B H38A—C38—H38B C39—C38—H38C H38A—C38—H38C H38B—C38—H38C
Summary
Key indicators: single-crystal X-ray study; T = 295 K; mean (C–C) = 0.009 A; disorder in solvent or counterion; R factor = 0.063; wR factor = 0.189; data-toparameter ratio = 13.3. In the title complex, [FeZn(C5H5)(C20H14N3)(C12H8N2)](ClO4)2ÁCH3CN, the ZnII atom is five-coordinated by a tridentate chelating 40-ferrocenyl-2,20:60,200-terpyridine (fctpy) ligand and a bidentate chelating 1,10-phenanthroline (phen) ligand in a distorted square-pyramidal environment with a phen N atom located at the apical position [Zn—N = 2.259 (4) A ]. The terpyridyl motif in each fctpy ligand is coplanar, but the cyclopentadienyl ring is twisted by 9.5 (2) out of coplanarity with each central pyridine. Intermolecular – interactions [centroid–centroid distance 3.753 (2) A ] are present between the cyclopentadienyl and outer pyridyl rings of the fctpy ligands. One of the perchlorate anions is disordered over two positions
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