metal-organic compounds
Bis(2-phenyl-4,6-di-2-pyridyl-1,3,5-triazine-κ3N4,N5,N6)ruthenium(II) bis(hexafluoridophosphate)
aChemistry Department, University of Canterbury, PO Box 4800, Christchurch, New Zealand, and bDépartement de Chimie, Université de Montréal, Montréal, Québec, H3T 1J4, Canada
*Correspondence e-mail: matthew.polson@canterbury.ac.nz
The 19H13N5)2](PF6)2, consists of an RuII complex cation and two hexafluoridophosphate anions. The RuII atom is coordinated by three N atoms from the two outer pyridine and the central triazine rings of each of two tridentate ligands in a distorted octahedral environment. The ligands are approximately orthogonal to one another, with a dihedral angle of 88.34 (2)° between planes through the three six-membered rings of the two ligands. The pendant phenyl substituents are almost coplanar with the triazine rings to which they are bound, with dihedral angles of 5.41 (9) and 14.90 (10)°. This is reflected in the previously reported photophysical results with an increased lifetime of the triplet metal to ligand charge transfer (3MLCT) [Fang, Taylor, Hanan, Loiseau, Passalacqua, Campagna, Nierengarten & Van Dorsselaer (2002). J. Am. Chem. Soc. 124, 7912–7913].
of the title compound, [Ru(CRelated literature
For related synthetic details, see: Polson et al. (2002, 2004). For related structures, see: Polson et al. (2002). For general background on the photophysics of ruthenium polypyridyl complexes, see: Kalyanasundaram (1991); Barigelletti et al. (1995). For background on C—H⋯N interactions in α-diimines, see: Fitchett et al. (2005). For related literature, see: Beley et al. (1991); Fang et al. (2002).
Experimental
Crystal data
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Refinement
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Data collection: APEX2 (Bruker, 2007); cell SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997); software used to prepare material for publication: publCIF (Westrip, 2008).
Supporting information
https://doi.org/10.1107/S1600536807066883/sj2423sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: https://doi.org/10.1107/S1600536807066883/sj2423Isup2.hkl
The complex was prepared as described by Polson et al. (2004). Crystals suitable for X-ray crystallography were prepared by the diffusion of diisopropyl ether into an acetonitrile solution of the complex over a week.
All H-atoms were positioned geometrically and refined using a riding model with d(C—H) = 0.93 Å, Uiso=1.2Ueq (C).
The structure of the title compound reveals the ruthenium(II) atom to be in a distorted octahedral environment, Table 1. The Ru—N bond lengths to the central triazine ring are significantly shortened when compared to those of the outer pyridine rings. The angles between the coordinating pyridine N atoms also deviate significantly from 180 ° indicating considerable distortion.
Ruthenium complexes of this type have long been known to exhibit surprisingly short lived excited states. This is due to rapid deactivation of the π* in nature) over more of the ligand surface, decreasing the energy of the 3MLCT state (Beley et al., 1991; Polson et al., 2002).
through a low lying metal centred state (Kalyanasundaram, 1991; Barigelletti et al., 1995). By lowering the energy of the triplet metal to ligand charge transfer 3MLCT state, this exchange can be slowed and the lifetime of the is extended (Fang et al., 2002). In the title compound (1) replacement of a the central pyridine ring with a triazine ring in complex with a 4-phenyl substituent allows the pendant phenyl ring to adopt an arrangement in which it is approximately co-planar with the rest of the ligand. This results from the removal of stericically conflicting C—H···H—C interactions and the addition of attractive intramolecular C—H···N interactions. Although the C—H···N angles are acute (approximately 100 °) they are typical of interactions in molecules of this kind (Fitchett et al., 2005) with N···H lengths of 2.47 to 2.52 Å, Table 2. The greater overall planarity of the ligands extends the HOMO orbital (predominatelyFor related synthetic details see: Polson et al. (2002, 2004). For related structures, see: Polson et al. (2002). For general background on the photophysics of ruthenium polypyridyl complexes, see: Kalyanasundaram (1991); Barigelletti et al. (1995). For background on C—H···N interactions in α-diimines, see: Fitchett et al. (2005).
For related literature, see: Beley et al. (1991); Fang et al. (2002).
Data collection: APEX2 (Bruker, 2007); cell
SAINT (Bruker, 2007); data reduction: SAINT (Bruker, 2007); program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: ORTEP-3 for Windows (Farrugia, 1997); software used to prepare material for publication: publCIF (Westrip, 2008).Fig. 1. The molecular structure of (1), showing displacement ellipsoids at the 50% probability level. All H atoms have been omitted for clarity. |
[Ru(C19H13N5)2](PF6)2 | F(000) = 2024 |
Mr = 1013.70 | Dx = 1.728 Mg m−3 |
Monoclinic, P21/n | Mo Kα radiation, λ = 0.71073 Å |
Hall symbol: -P 2yn | Cell parameters from 7650 reflections |
a = 9.0995 (3) Å | θ = 4.7–53.0° |
b = 32.5979 (11) Å | µ = 0.59 mm−1 |
c = 13.1451 (5) Å | T = 93 K |
β = 91.774 (2)° | Needle, red |
V = 3897.3 (2) Å3 | 0.30 × 0.13 × 0.08 mm |
Z = 4 |
Bruker APEXII CCD area-detector diffractometer | 8114 independent reflections |
Radiation source: sealed tube | 6511 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.060 |
ω scans | θmax = 26.6°, θmin = 2.5° |
Absorption correction: multi-scan (SADABS; Bruker, 2007) | h = −11→11 |
Tmin = 0.822, Tmax = 0.950 | k = −40→40 |
75901 measured reflections | l = −16→15 |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.027 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.066 | H-atom parameters constrained |
S = 0.99 | w = 1/[σ2(Fo2) + (0.0562P)2 + 0.5007P] where P = (Fo2 + 2Fc2)/3 |
8114 reflections | (Δ/σ)max < 0.001 |
568 parameters | Δρmax = 0.55 e Å−3 |
0 restraints | Δρmin = −0.57 e Å−3 |
[Ru(C19H13N5)2](PF6)2 | V = 3897.3 (2) Å3 |
Mr = 1013.70 | Z = 4 |
Monoclinic, P21/n | Mo Kα radiation |
a = 9.0995 (3) Å | µ = 0.59 mm−1 |
b = 32.5979 (11) Å | T = 93 K |
c = 13.1451 (5) Å | 0.30 × 0.13 × 0.08 mm |
β = 91.774 (2)° |
Bruker APEXII CCD area-detector diffractometer | 8114 independent reflections |
Absorption correction: multi-scan (SADABS; Bruker, 2007) | 6511 reflections with I > 2σ(I) |
Tmin = 0.822, Tmax = 0.950 | Rint = 0.060 |
75901 measured reflections |
R[F2 > 2σ(F2)] = 0.027 | 0 restraints |
wR(F2) = 0.066 | H-atom parameters constrained |
S = 0.99 | Δρmax = 0.55 e Å−3 |
8114 reflections | Δρmin = −0.57 e Å−3 |
568 parameters |
Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes. |
Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. |
x | y | z | Uiso*/Ueq | ||
Ru1 | 0.511004 (17) | 0.118305 (4) | 0.711838 (12) | 0.01108 (5) | |
N10 | 0.71581 (17) | 0.12419 (5) | 0.64422 (12) | 0.0136 (4) | |
C10 | 0.8068 (2) | 0.09472 (6) | 0.61281 (16) | 0.0179 (5) | |
H10 | 0.7805 | 0.0669 | 0.6231 | 0.021* | |
C11 | 0.9375 (2) | 0.10327 (6) | 0.56596 (17) | 0.0232 (5) | |
H11 | 0.9978 | 0.0815 | 0.5433 | 0.028* | |
C12 | 0.9798 (2) | 0.14335 (6) | 0.55231 (17) | 0.0240 (5) | |
H12 | 1.0700 | 0.1496 | 0.5212 | 0.029* | |
C13 | 0.8884 (2) | 0.17461 (6) | 0.58476 (16) | 0.0192 (5) | |
H13 | 0.9150 | 0.2026 | 0.5765 | 0.023* | |
C14 | 0.7588 (2) | 0.16422 (5) | 0.62909 (15) | 0.0141 (4) | |
N20 | 0.53678 (17) | 0.17849 (5) | 0.70707 (12) | 0.0123 (3) | |
N21 | 0.67356 (18) | 0.23500 (5) | 0.65306 (13) | 0.0158 (4) | |
N22 | 0.44719 (18) | 0.24472 (5) | 0.73807 (12) | 0.0148 (4) | |
C20 | 0.6545 (2) | 0.19520 (6) | 0.66416 (15) | 0.0137 (4) | |
C21 | 0.5662 (2) | 0.25871 (6) | 0.69099 (15) | 0.0147 (4) | |
C22 | 0.4357 (2) | 0.20427 (6) | 0.74240 (15) | 0.0132 (4) | |
N30 | 0.31752 (18) | 0.14032 (5) | 0.77547 (12) | 0.0130 (3) | |
C30 | 0.2009 (2) | 0.11839 (6) | 0.80597 (16) | 0.0177 (4) | |
H30 | 0.2042 | 0.0893 | 0.8016 | 0.021* | |
C31 | 0.0766 (2) | 0.13690 (6) | 0.84348 (17) | 0.0220 (5) | |
H31 | −0.0040 | 0.1205 | 0.8633 | 0.026* | |
C32 | 0.0698 (2) | 0.17918 (6) | 0.85204 (17) | 0.0221 (5) | |
H32 | −0.0141 | 0.1921 | 0.8790 | 0.027* | |
C33 | 0.1878 (2) | 0.20221 (6) | 0.82050 (15) | 0.0180 (4) | |
H33 | 0.1858 | 0.2313 | 0.8247 | 0.022* | |
C34 | 0.3083 (2) | 0.18235 (6) | 0.78291 (15) | 0.0133 (4) | |
C40 | 0.5820 (2) | 0.30342 (6) | 0.67733 (16) | 0.0172 (4) | |
C41 | 0.6825 (2) | 0.31883 (6) | 0.60975 (17) | 0.0223 (5) | |
H41 | 0.7451 | 0.3007 | 0.5747 | 0.027* | |
C42 | 0.6911 (3) | 0.36089 (6) | 0.59355 (18) | 0.0268 (5) | |
H42 | 0.7585 | 0.3715 | 0.5464 | 0.032* | |
C43 | 0.6018 (3) | 0.38746 (6) | 0.64602 (18) | 0.0263 (5) | |
H43 | 0.6081 | 0.4162 | 0.6349 | 0.032* | |
C44 | 0.5033 (2) | 0.37218 (6) | 0.71460 (18) | 0.0237 (5) | |
H44 | 0.4433 | 0.3905 | 0.7513 | 0.028* | |
C45 | 0.4920 (2) | 0.33042 (6) | 0.72995 (17) | 0.0207 (5) | |
H45 | 0.4232 | 0.3200 | 0.7763 | 0.025* | |
N50 | 0.40436 (17) | 0.10703 (5) | 0.57094 (12) | 0.0124 (3) | |
C50 | 0.3662 (2) | 0.13390 (6) | 0.49749 (15) | 0.0141 (4) | |
H50 | 0.3903 | 0.1620 | 0.5073 | 0.017* | |
C51 | 0.2932 (2) | 0.12242 (6) | 0.40811 (16) | 0.0162 (4) | |
H51 | 0.2681 | 0.1424 | 0.3579 | 0.019* | |
C52 | 0.2572 (2) | 0.08161 (6) | 0.39243 (16) | 0.0172 (4) | |
H52 | 0.2063 | 0.0732 | 0.3318 | 0.021* | |
C53 | 0.2965 (2) | 0.05329 (6) | 0.46646 (15) | 0.0161 (4) | |
H53 | 0.2732 | 0.0251 | 0.4572 | 0.019* | |
C54 | 0.3700 (2) | 0.06633 (5) | 0.55407 (15) | 0.0120 (4) | |
N60 | 0.48400 (17) | 0.05829 (5) | 0.71489 (12) | 0.0129 (3) | |
N61 | 0.40078 (18) | −0.00188 (5) | 0.63404 (12) | 0.0143 (4) | |
N62 | 0.51801 (18) | −0.00465 (5) | 0.79959 (13) | 0.0147 (4) | |
C60 | 0.4180 (2) | 0.03841 (6) | 0.63663 (15) | 0.0137 (4) | |
C61 | 0.4496 (2) | −0.02227 (6) | 0.71801 (15) | 0.0148 (4) | |
C62 | 0.5347 (2) | 0.03559 (6) | 0.79454 (15) | 0.0143 (4) | |
N70 | 0.61068 (17) | 0.10207 (5) | 0.85180 (12) | 0.0136 (4) | |
C70 | 0.6809 (2) | 0.12700 (6) | 0.91947 (15) | 0.0158 (4) | |
H70 | 0.6798 | 0.1557 | 0.9076 | 0.019* | |
C71 | 0.7543 (2) | 0.11210 (6) | 1.00527 (16) | 0.0187 (4) | |
H71 | 0.8037 | 0.1305 | 1.0508 | 0.022* | |
C72 | 0.7560 (2) | 0.07045 (6) | 1.02492 (16) | 0.0197 (5) | |
H72 | 0.8068 | 0.0599 | 1.0835 | 0.024* | |
C73 | 0.6820 (2) | 0.04436 (6) | 0.95750 (16) | 0.0173 (4) | |
H73 | 0.6803 | 0.0156 | 0.9695 | 0.021* | |
C74 | 0.6111 (2) | 0.06077 (6) | 0.87298 (15) | 0.0145 (4) | |
C80 | 0.4271 (2) | −0.06706 (6) | 0.71991 (15) | 0.0155 (4) | |
C81 | 0.3459 (2) | −0.08622 (6) | 0.64177 (16) | 0.0194 (5) | |
H81 | 0.3037 | −0.0703 | 0.5878 | 0.023* | |
C82 | 0.3265 (2) | −0.12824 (6) | 0.64252 (18) | 0.0236 (5) | |
H82 | 0.2722 | −0.1411 | 0.5886 | 0.028* | |
C83 | 0.3860 (2) | −0.15176 (6) | 0.72169 (18) | 0.0237 (5) | |
H83 | 0.3720 | −0.1806 | 0.7221 | 0.028* | |
C84 | 0.4651 (2) | −0.13302 (6) | 0.79949 (17) | 0.0227 (5) | |
H84 | 0.5049 | −0.1490 | 0.8541 | 0.027* | |
C85 | 0.4873 (2) | −0.09084 (6) | 0.79877 (16) | 0.0197 (5) | |
H85 | 0.5435 | −0.0782 | 0.8522 | 0.024* | |
P10 | 0.21119 (6) | 0.252045 (16) | 0.48554 (4) | 0.02011 (13) | |
F10 | 0.18421 (15) | 0.22740 (4) | 0.58837 (10) | 0.0386 (4) | |
F11 | 0.26219 (15) | 0.29172 (4) | 0.54874 (10) | 0.0327 (3) | |
F12 | 0.04573 (14) | 0.26820 (4) | 0.48256 (10) | 0.0362 (3) | |
F13 | 0.23965 (14) | 0.27617 (3) | 0.38108 (9) | 0.0250 (3) | |
F14 | 0.16179 (15) | 0.21244 (4) | 0.42100 (10) | 0.0339 (3) | |
F15 | 0.37791 (14) | 0.23611 (4) | 0.48793 (11) | 0.0353 (3) | |
P20 | 0.01052 (6) | 0.008488 (16) | 0.76644 (5) | 0.02301 (14) | |
F20 | −0.05493 (16) | −0.01201 (4) | 0.86490 (11) | 0.0395 (4) | |
F21 | −0.04478 (14) | 0.05249 (3) | 0.80299 (10) | 0.0278 (3) | |
F22 | −0.14343 (15) | 0.00207 (4) | 0.70590 (11) | 0.0369 (4) | |
F23 | 0.07743 (16) | 0.02936 (4) | 0.66771 (11) | 0.0399 (4) | |
F24 | 0.06484 (16) | −0.03543 (4) | 0.72907 (12) | 0.0396 (4) | |
F25 | 0.16550 (15) | 0.01533 (4) | 0.82574 (13) | 0.0452 (4) |
U11 | U22 | U33 | U12 | U13 | U23 | |
Ru1 | 0.01126 (9) | 0.00884 (8) | 0.01317 (9) | −0.00001 (6) | 0.00056 (6) | −0.00003 (6) |
N10 | 0.0122 (9) | 0.0126 (8) | 0.0159 (9) | 0.0005 (6) | −0.0007 (7) | 0.0005 (7) |
C10 | 0.0173 (11) | 0.0149 (10) | 0.0214 (12) | 0.0028 (8) | −0.0001 (9) | 0.0018 (8) |
C11 | 0.0189 (12) | 0.0222 (11) | 0.0288 (13) | 0.0087 (9) | 0.0053 (10) | 0.0020 (9) |
C12 | 0.0129 (11) | 0.0274 (12) | 0.0320 (14) | 0.0020 (9) | 0.0074 (10) | 0.0044 (10) |
C13 | 0.0155 (11) | 0.0182 (10) | 0.0240 (12) | −0.0028 (8) | 0.0010 (9) | 0.0028 (9) |
C14 | 0.0149 (11) | 0.0135 (9) | 0.0135 (11) | −0.0004 (8) | −0.0032 (8) | −0.0011 (8) |
N20 | 0.0124 (9) | 0.0125 (8) | 0.0120 (9) | −0.0001 (6) | −0.0015 (7) | −0.0014 (6) |
N21 | 0.0170 (9) | 0.0124 (8) | 0.0178 (10) | −0.0018 (7) | −0.0025 (7) | −0.0012 (7) |
N22 | 0.0182 (9) | 0.0106 (8) | 0.0153 (9) | 0.0016 (7) | −0.0031 (7) | −0.0012 (7) |
C20 | 0.0127 (10) | 0.0152 (10) | 0.0130 (11) | −0.0019 (8) | −0.0031 (8) | −0.0006 (8) |
C21 | 0.0166 (11) | 0.0133 (9) | 0.0140 (11) | −0.0020 (8) | −0.0047 (8) | −0.0014 (8) |
C22 | 0.0112 (10) | 0.0144 (9) | 0.0136 (11) | 0.0006 (8) | −0.0033 (8) | −0.0012 (8) |
N30 | 0.0139 (9) | 0.0137 (8) | 0.0114 (9) | −0.0001 (7) | −0.0002 (7) | −0.0005 (6) |
C30 | 0.0181 (11) | 0.0163 (10) | 0.0189 (11) | −0.0040 (8) | 0.0010 (9) | −0.0006 (8) |
C31 | 0.0174 (12) | 0.0256 (11) | 0.0234 (13) | −0.0048 (9) | 0.0069 (9) | −0.0032 (9) |
C32 | 0.0176 (11) | 0.0258 (11) | 0.0233 (13) | 0.0045 (9) | 0.0055 (9) | −0.0038 (9) |
C33 | 0.0198 (11) | 0.0168 (10) | 0.0174 (11) | 0.0017 (8) | 0.0010 (9) | −0.0008 (8) |
C34 | 0.0149 (10) | 0.0131 (9) | 0.0116 (10) | −0.0011 (8) | −0.0022 (8) | 0.0004 (8) |
C40 | 0.0189 (11) | 0.0118 (9) | 0.0203 (12) | −0.0021 (8) | −0.0091 (9) | 0.0007 (8) |
C41 | 0.0276 (13) | 0.0157 (10) | 0.0233 (13) | −0.0021 (9) | −0.0030 (10) | −0.0006 (9) |
C42 | 0.0321 (14) | 0.0194 (11) | 0.0283 (14) | −0.0084 (10) | −0.0078 (11) | 0.0061 (9) |
C43 | 0.0321 (14) | 0.0129 (10) | 0.0329 (14) | −0.0011 (9) | −0.0184 (11) | 0.0019 (9) |
C44 | 0.0225 (12) | 0.0155 (10) | 0.0326 (14) | 0.0019 (9) | −0.0093 (10) | −0.0031 (9) |
C45 | 0.0195 (12) | 0.0162 (10) | 0.0260 (13) | −0.0004 (8) | −0.0067 (9) | −0.0020 (9) |
N50 | 0.0096 (8) | 0.0120 (8) | 0.0156 (9) | 0.0008 (6) | 0.0028 (7) | −0.0017 (6) |
C50 | 0.0124 (10) | 0.0136 (9) | 0.0164 (11) | 0.0022 (8) | 0.0038 (8) | 0.0010 (8) |
C51 | 0.0140 (10) | 0.0165 (10) | 0.0182 (11) | 0.0045 (8) | 0.0019 (8) | 0.0029 (8) |
C52 | 0.0164 (11) | 0.0210 (10) | 0.0143 (11) | 0.0026 (8) | 0.0006 (9) | −0.0026 (8) |
C53 | 0.0138 (10) | 0.0142 (9) | 0.0202 (12) | 0.0006 (8) | 0.0016 (9) | −0.0032 (8) |
C54 | 0.0087 (10) | 0.0133 (9) | 0.0142 (11) | 0.0018 (7) | 0.0041 (8) | −0.0002 (8) |
N60 | 0.0119 (9) | 0.0139 (8) | 0.0128 (9) | 0.0010 (6) | 0.0019 (7) | 0.0000 (7) |
N61 | 0.0152 (9) | 0.0123 (8) | 0.0154 (9) | 0.0002 (7) | 0.0028 (7) | 0.0004 (7) |
N62 | 0.0139 (9) | 0.0123 (8) | 0.0180 (10) | −0.0002 (6) | 0.0026 (7) | 0.0007 (7) |
C60 | 0.0100 (10) | 0.0145 (9) | 0.0168 (11) | −0.0007 (8) | 0.0033 (8) | −0.0020 (8) |
C61 | 0.0127 (10) | 0.0142 (9) | 0.0177 (11) | 0.0010 (8) | 0.0047 (8) | 0.0004 (8) |
C62 | 0.0114 (10) | 0.0148 (9) | 0.0171 (11) | 0.0019 (8) | 0.0032 (8) | 0.0028 (8) |
N70 | 0.0125 (9) | 0.0119 (8) | 0.0166 (9) | −0.0002 (7) | 0.0021 (7) | −0.0002 (7) |
C70 | 0.0156 (11) | 0.0142 (10) | 0.0177 (11) | −0.0022 (8) | 0.0016 (9) | −0.0021 (8) |
C71 | 0.0185 (11) | 0.0209 (11) | 0.0165 (11) | −0.0018 (9) | −0.0016 (9) | −0.0021 (8) |
C72 | 0.0212 (12) | 0.0219 (10) | 0.0160 (12) | 0.0020 (9) | −0.0003 (9) | 0.0026 (9) |
C73 | 0.0180 (11) | 0.0146 (10) | 0.0194 (12) | −0.0006 (8) | 0.0024 (9) | 0.0024 (8) |
C74 | 0.0140 (10) | 0.0142 (9) | 0.0154 (11) | 0.0001 (8) | 0.0040 (8) | 0.0005 (8) |
C80 | 0.0138 (11) | 0.0124 (9) | 0.0208 (12) | 0.0015 (8) | 0.0069 (9) | 0.0002 (8) |
C81 | 0.0175 (11) | 0.0166 (10) | 0.0242 (12) | 0.0018 (8) | 0.0020 (9) | 0.0008 (9) |
C82 | 0.0228 (12) | 0.0163 (10) | 0.0318 (14) | −0.0018 (9) | 0.0008 (10) | −0.0053 (9) |
C83 | 0.0224 (12) | 0.0108 (10) | 0.0382 (15) | −0.0009 (9) | 0.0062 (10) | 0.0008 (9) |
C84 | 0.0247 (13) | 0.0158 (10) | 0.0280 (14) | 0.0038 (9) | 0.0044 (10) | 0.0068 (9) |
C85 | 0.0194 (11) | 0.0171 (10) | 0.0228 (13) | −0.0001 (9) | 0.0034 (9) | 0.0005 (9) |
P10 | 0.0221 (3) | 0.0165 (3) | 0.0213 (3) | −0.0062 (2) | −0.0066 (2) | 0.0052 (2) |
F10 | 0.0444 (9) | 0.0439 (8) | 0.0267 (8) | −0.0221 (7) | −0.0129 (7) | 0.0191 (6) |
F11 | 0.0482 (9) | 0.0203 (6) | 0.0289 (8) | −0.0060 (6) | −0.0121 (7) | −0.0017 (6) |
F12 | 0.0238 (8) | 0.0526 (9) | 0.0321 (8) | 0.0031 (6) | −0.0023 (6) | 0.0042 (7) |
F13 | 0.0325 (8) | 0.0205 (6) | 0.0221 (7) | −0.0048 (5) | −0.0007 (6) | 0.0061 (5) |
F14 | 0.0488 (9) | 0.0168 (6) | 0.0350 (8) | −0.0108 (6) | −0.0161 (7) | 0.0028 (6) |
F15 | 0.0278 (8) | 0.0266 (7) | 0.0510 (9) | 0.0031 (6) | −0.0085 (7) | 0.0075 (6) |
P20 | 0.0197 (3) | 0.0132 (3) | 0.0362 (4) | 0.0013 (2) | 0.0028 (3) | 0.0045 (2) |
F20 | 0.0471 (9) | 0.0261 (7) | 0.0462 (9) | 0.0023 (6) | 0.0159 (7) | 0.0127 (6) |
F21 | 0.0287 (7) | 0.0152 (6) | 0.0396 (8) | −0.0012 (5) | 0.0023 (6) | −0.0028 (5) |
F22 | 0.0330 (8) | 0.0214 (7) | 0.0556 (10) | −0.0009 (6) | −0.0114 (7) | −0.0082 (6) |
F23 | 0.0446 (9) | 0.0280 (7) | 0.0483 (10) | 0.0128 (6) | 0.0215 (7) | 0.0156 (7) |
F24 | 0.0415 (9) | 0.0165 (6) | 0.0616 (10) | 0.0101 (6) | 0.0152 (7) | 0.0042 (6) |
F25 | 0.0277 (8) | 0.0321 (8) | 0.0746 (12) | −0.0004 (6) | −0.0156 (8) | 0.0129 (8) |
Ru1—N10 | 2.0982 (16) | C50—H50 | 0.9500 |
Ru1—N20 | 1.9773 (15) | C51—C52 | 1.384 (3) |
Ru1—N30 | 2.0990 (16) | C51—H51 | 0.9500 |
Ru1—N50 | 2.0967 (16) | C52—C53 | 1.380 (3) |
Ru1—N60 | 1.9723 (15) | C52—H52 | 0.9500 |
Ru1—N70 | 2.0939 (17) | C53—C54 | 1.381 (3) |
N10—C10 | 1.342 (2) | C53—H53 | 0.9500 |
N10—C14 | 1.378 (2) | C54—C60 | 1.472 (3) |
C10—C11 | 1.385 (3) | N60—C60 | 1.342 (2) |
C10—H10 | 0.9500 | N60—C62 | 1.351 (2) |
C11—C12 | 1.375 (3) | N61—C60 | 1.323 (2) |
C11—H11 | 0.9500 | N61—C61 | 1.352 (2) |
C12—C13 | 1.390 (3) | N62—C62 | 1.323 (2) |
C12—H12 | 0.9500 | N62—C61 | 1.351 (3) |
C13—C14 | 1.374 (3) | C61—C80 | 1.475 (3) |
C13—H13 | 0.9500 | C62—C74 | 1.475 (3) |
C14—C20 | 1.470 (3) | N70—C70 | 1.351 (2) |
N20—C22 | 1.340 (2) | N70—C74 | 1.375 (2) |
N20—C20 | 1.341 (2) | C70—C71 | 1.381 (3) |
N21—C20 | 1.318 (2) | C70—H70 | 0.9500 |
N21—C21 | 1.353 (3) | C71—C72 | 1.382 (3) |
N22—C22 | 1.324 (2) | C71—H71 | 0.9500 |
N22—C21 | 1.344 (3) | C72—C73 | 1.388 (3) |
C21—C40 | 1.476 (3) | C72—H72 | 0.9500 |
C22—C34 | 1.475 (3) | C73—C74 | 1.376 (3) |
N30—C30 | 1.351 (2) | C73—H73 | 0.9500 |
N30—C34 | 1.376 (2) | C80—C85 | 1.393 (3) |
C30—C31 | 1.386 (3) | C80—C81 | 1.394 (3) |
C30—H30 | 0.9500 | C81—C82 | 1.381 (3) |
C31—C32 | 1.384 (3) | C81—H81 | 0.9500 |
C31—H31 | 0.9500 | C82—C83 | 1.389 (3) |
C32—C33 | 1.385 (3) | C82—H82 | 0.9500 |
C32—H32 | 0.9500 | C83—C84 | 1.376 (3) |
C33—C34 | 1.378 (3) | C83—H83 | 0.9500 |
C33—H33 | 0.9500 | C84—C85 | 1.390 (3) |
C40—C41 | 1.388 (3) | C84—H84 | 0.9500 |
C40—C45 | 1.400 (3) | C85—H85 | 0.9500 |
C41—C42 | 1.390 (3) | P10—F12 | 1.5943 (14) |
C41—H41 | 0.9500 | P10—F10 | 1.5980 (13) |
C42—C43 | 1.386 (3) | P10—F11 | 1.5981 (13) |
C42—H42 | 0.9500 | P10—F14 | 1.6015 (13) |
C43—C44 | 1.383 (3) | P10—F15 | 1.6029 (14) |
C43—H43 | 0.9500 | P10—F13 | 1.6104 (13) |
C44—C45 | 1.380 (3) | P20—F20 | 1.5887 (14) |
C44—H44 | 0.9500 | P20—F24 | 1.5970 (13) |
C45—H45 | 0.9500 | P20—F21 | 1.5988 (13) |
N50—C50 | 1.341 (2) | P20—F23 | 1.6022 (14) |
N50—C54 | 1.380 (2) | P20—F22 | 1.6033 (15) |
C50—C51 | 1.383 (3) | P20—F25 | 1.6056 (15) |
N10—Ru1—N30 | 154.76 (6) | C52—C51—H51 | 120.3 |
N60—Ru1—N20 | 179.28 (7) | C53—C52—C51 | 118.88 (19) |
N70—Ru1—N50 | 155.22 (6) | C53—C52—H52 | 120.6 |
N20—Ru1—N70 | 103.31 (6) | C51—C52—H52 | 120.6 |
N20—Ru1—N50 | 101.42 (6) | C52—C53—C54 | 119.35 (18) |
N20—Ru1—N10 | 77.77 (6) | C52—C53—H53 | 120.3 |
N20—Ru1—N30 | 77.00 (6) | C54—C53—H53 | 120.3 |
N50—Ru1—N10 | 91.99 (6) | N50—C54—C53 | 122.12 (18) |
N50—Ru1—N30 | 92.35 (6) | N50—C54—C60 | 114.54 (17) |
N60—Ru1—N50 | 77.85 (6) | C53—C54—C60 | 123.34 (17) |
N60—Ru1—N70 | 77.42 (6) | C60—N60—C62 | 117.61 (16) |
N60—Ru1—N10 | 102.25 (6) | C60—N60—Ru1 | 121.10 (13) |
N60—Ru1—N30 | 102.98 (6) | C62—N60—Ru1 | 121.27 (13) |
N70—Ru1—N10 | 91.67 (6) | C60—N61—C61 | 115.55 (17) |
N70—Ru1—N30 | 94.71 (6) | C62—N62—C61 | 115.62 (17) |
C10—N10—C14 | 116.93 (17) | N61—C60—N60 | 123.30 (18) |
C10—N10—Ru1 | 129.03 (13) | N61—C60—C54 | 124.22 (18) |
C14—N10—Ru1 | 114.03 (12) | N60—C60—C54 | 112.47 (16) |
N10—C10—C11 | 122.65 (18) | N62—C61—N61 | 124.81 (17) |
N10—C10—H10 | 118.7 | N62—C61—C80 | 117.91 (18) |
C11—C10—H10 | 118.7 | N61—C61—C80 | 117.28 (18) |
C12—C11—C10 | 119.80 (19) | N62—C62—N60 | 123.03 (18) |
C12—C11—H11 | 120.1 | N62—C62—C74 | 124.68 (18) |
C10—C11—H11 | 120.1 | N60—C62—C74 | 112.28 (16) |
C11—C12—C13 | 118.93 (19) | C70—N70—C74 | 117.23 (17) |
C11—C12—H12 | 120.5 | C70—N70—Ru1 | 127.56 (13) |
C13—C12—H12 | 120.5 | C74—N70—Ru1 | 115.09 (13) |
C14—C13—C12 | 118.61 (19) | N70—C70—C71 | 122.21 (18) |
C14—C13—H13 | 120.7 | N70—C70—H70 | 118.9 |
C12—C13—H13 | 120.7 | C71—C70—H70 | 118.9 |
C13—C14—N10 | 123.06 (18) | C70—C71—C72 | 120.02 (19) |
C13—C14—C20 | 122.33 (17) | C70—C71—H71 | 120.0 |
N10—C14—C20 | 114.62 (17) | C72—C71—H71 | 120.0 |
C22—N20—C20 | 117.20 (16) | C71—C72—C73 | 118.71 (19) |
C22—N20—Ru1 | 121.87 (13) | C71—C72—H72 | 120.6 |
C20—N20—Ru1 | 120.87 (12) | C73—C72—H72 | 120.6 |
C20—N21—C21 | 114.99 (17) | C74—C73—C72 | 118.93 (18) |
C22—N22—C21 | 115.08 (16) | C74—C73—H73 | 120.5 |
N21—C20—N20 | 123.77 (18) | C72—C73—H73 | 120.5 |
N21—C20—C14 | 123.59 (18) | C73—C74—N70 | 122.87 (18) |
N20—C20—C14 | 112.63 (16) | C73—C74—C62 | 123.19 (17) |
N22—C21—N21 | 125.27 (17) | N70—C74—C62 | 113.88 (17) |
N22—C21—C40 | 118.31 (17) | C85—C80—C81 | 119.08 (18) |
N21—C21—C40 | 116.42 (18) | C85—C80—C61 | 120.80 (19) |
N22—C22—N20 | 123.61 (18) | C81—C80—C61 | 120.12 (18) |
N22—C22—C34 | 124.21 (17) | C82—C81—C80 | 120.3 (2) |
N20—C22—C34 | 112.13 (16) | C82—C81—H81 | 119.9 |
C30—N30—C34 | 117.11 (16) | C80—C81—H81 | 119.9 |
C30—N30—Ru1 | 127.86 (13) | C81—C82—C83 | 120.4 (2) |
C34—N30—Ru1 | 114.98 (12) | C81—C82—H82 | 119.8 |
N30—C30—C31 | 122.18 (18) | C83—C82—H82 | 119.8 |
N30—C30—H30 | 118.9 | C84—C83—C82 | 119.66 (19) |
C31—C30—H30 | 118.9 | C84—C83—H83 | 120.2 |
C32—C31—C30 | 120.11 (19) | C82—C83—H83 | 120.2 |
C32—C31—H31 | 119.9 | C83—C84—C85 | 120.5 (2) |
C30—C31—H31 | 119.9 | C83—C84—H84 | 119.8 |
C33—C32—C31 | 118.56 (19) | C85—C84—H84 | 119.8 |
C33—C32—H32 | 120.7 | C84—C85—C80 | 120.1 (2) |
C31—C32—H32 | 120.7 | C84—C85—H85 | 119.9 |
C34—C33—C32 | 119.07 (18) | C80—C85—H85 | 119.9 |
C34—C33—H33 | 120.5 | F12—P10—F10 | 90.99 (8) |
C32—C33—H33 | 120.5 | F12—P10—F11 | 90.25 (8) |
N30—C34—C33 | 122.95 (17) | F10—P10—F11 | 90.97 (7) |
N30—C34—C22 | 114.00 (16) | F12—P10—F14 | 90.22 (8) |
C33—C34—C22 | 122.99 (17) | F10—P10—F14 | 89.70 (7) |
C41—C40—C45 | 119.70 (18) | F11—P10—F14 | 179.17 (9) |
C41—C40—C21 | 120.25 (18) | F12—P10—F15 | 179.52 (9) |
C45—C40—C21 | 120.01 (19) | F10—P10—F15 | 89.46 (8) |
C40—C41—C42 | 119.8 (2) | F11—P10—F15 | 89.57 (7) |
C40—C41—H41 | 120.1 | F14—P10—F15 | 89.95 (8) |
C42—C41—H41 | 120.1 | F12—P10—F13 | 89.68 (7) |
C43—C42—C41 | 120.2 (2) | F10—P10—F13 | 178.99 (8) |
C43—C42—H42 | 119.9 | F11—P10—F13 | 89.79 (7) |
C41—C42—H42 | 119.9 | F14—P10—F13 | 89.53 (7) |
C44—C43—C42 | 120.07 (19) | F15—P10—F13 | 89.87 (7) |
C44—C43—H43 | 120.0 | F20—P20—F24 | 90.05 (7) |
C42—C43—H43 | 120.0 | F20—P20—F21 | 90.18 (7) |
C45—C44—C43 | 120.2 (2) | F24—P20—F21 | 179.50 (9) |
C45—C44—H44 | 119.9 | F20—P20—F23 | 179.55 (10) |
C43—C44—H44 | 119.9 | F24—P20—F23 | 90.15 (7) |
C44—C45—C40 | 120.0 (2) | F21—P20—F23 | 89.63 (7) |
C44—C45—H45 | 120.0 | F20—P20—F22 | 90.33 (8) |
C40—C45—H45 | 120.0 | F24—P20—F22 | 90.25 (8) |
C50—N50—C54 | 117.38 (17) | F21—P20—F22 | 89.31 (7) |
C50—N50—Ru1 | 128.60 (13) | F23—P20—F22 | 90.08 (8) |
C54—N50—Ru1 | 114.01 (13) | F20—P20—F25 | 90.50 (9) |
N50—C50—C51 | 122.80 (18) | F24—P20—F25 | 89.90 (8) |
N50—C50—H50 | 118.6 | F21—P20—F25 | 90.54 (7) |
C51—C50—H50 | 118.6 | F23—P20—F25 | 89.10 (9) |
C50—C51—C52 | 119.45 (19) | F22—P20—F25 | 179.16 (9) |
C50—C51—H51 | 120.3 |
D—H···A | D—H | H···A | D···A | D—H···A |
C41—H41···N21 | 0.95 | 2.47 | 2.793 (3) | 100 |
C45—H45···N22 | 0.95 | 2.52 | 2.826 (3) | 99 |
C81—H81···N61 | 0.95 | 2.47 | 2.797 (2) | 100 |
C85—H85···N62 | 0.95 | 2.50 | 2.823 (3) | 100 |
Experimental details
Crystal data | |
Chemical formula | [Ru(C19H13N5)2](PF6)2 |
Mr | 1013.70 |
Crystal system, space group | Monoclinic, P21/n |
Temperature (K) | 93 |
a, b, c (Å) | 9.0995 (3), 32.5979 (11), 13.1451 (5) |
β (°) | 91.774 (2) |
V (Å3) | 3897.3 (2) |
Z | 4 |
Radiation type | Mo Kα |
µ (mm−1) | 0.59 |
Crystal size (mm) | 0.30 × 0.13 × 0.08 |
Data collection | |
Diffractometer | Bruker APEXII CCD area-detector |
Absorption correction | Multi-scan (SADABS; Bruker, 2007) |
Tmin, Tmax | 0.822, 0.950 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 75901, 8114, 6511 |
Rint | 0.060 |
(sin θ/λ)max (Å−1) | 0.629 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.027, 0.066, 0.99 |
No. of reflections | 8114 |
No. of parameters | 568 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.55, −0.57 |
Computer programs: APEX2 (Bruker, 2007), SAINT (Bruker, 2007), SHELXS97 (Sheldrick, 1997), SHELXL97 (Sheldrick, 1997), ORTEP-3 for Windows (Farrugia, 1997), publCIF (Westrip, 2008).
Ru1—N10 | 2.0982 (16) | Ru1—N50 | 2.0967 (16) |
Ru1—N20 | 1.9773 (15) | Ru1—N60 | 1.9723 (15) |
Ru1—N30 | 2.0990 (16) | Ru1—N70 | 2.0939 (17) |
N10—Ru1—N30 | 154.76 (6) | N50—Ru1—N30 | 92.35 (6) |
N60—Ru1—N20 | 179.28 (7) | N60—Ru1—N50 | 77.85 (6) |
N70—Ru1—N50 | 155.22 (6) | N60—Ru1—N70 | 77.42 (6) |
N20—Ru1—N70 | 103.31 (6) | N60—Ru1—N10 | 102.25 (6) |
N20—Ru1—N50 | 101.42 (6) | N60—Ru1—N30 | 102.98 (6) |
N20—Ru1—N10 | 77.77 (6) | N70—Ru1—N10 | 91.67 (6) |
N20—Ru1—N30 | 77.00 (6) | N70—Ru1—N30 | 94.71 (6) |
N50—Ru1—N10 | 91.99 (6) |
D—H···A | D—H | H···A | D···A | D—H···A |
C41—H41···N21 | 0.95 | 2.47 | 2.793 (3) | 99.6 |
C45—H45···N22 | 0.95 | 2.52 | 2.826 (3) | 99.1 |
C81—H81···N61 | 0.95 | 2.47 | 2.797 (2) | 100.2 |
C85—H85···N62 | 0.95 | 2.50 | 2.823 (3) | 99.7 |
Acknowledgements
MIJP thanks the New Zealand Foundation of Research Science and Technology for funding.
References
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This is an open-access article distributed under the terms of the Creative Commons Attribution (CC-BY) Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
The structure of the title compound reveals the ruthenium(II) atom to be in a distorted octahedral environment, Table 1. The Ru—N bond lengths to the central triazine ring are significantly shortened when compared to those of the outer pyridine rings. The angles between the coordinating pyridine N atoms also deviate significantly from 180 ° indicating considerable distortion.
Ruthenium complexes of this type have long been known to exhibit surprisingly short lived excited states. This is due to rapid deactivation of the excited state through a low lying metal centred state (Kalyanasundaram, 1991; Barigelletti et al., 1995). By lowering the energy of the triplet metal to ligand charge transfer 3MLCT state, this exchange can be slowed and the lifetime of the excited state is extended (Fang et al., 2002). In the title compound (1) replacement of a the central pyridine ring with a triazine ring in complex with a 4-phenyl substituent allows the pendant phenyl ring to adopt an arrangement in which it is approximately co-planar with the rest of the ligand. This results from the removal of stericically conflicting C—H···H—C interactions and the addition of attractive intramolecular C—H···N interactions. Although the C—H···N angles are acute (approximately 100 °) they are typical of interactions in molecules of this kind (Fitchett et al., 2005) with N···H lengths of 2.47 to 2.52 Å, Table 2. The greater overall planarity of the ligands extends the HOMO orbital (predominately π* in nature) over more of the ligand surface, decreasing the energy of the 3MLCT state (Beley et al., 1991; Polson et al., 2002).