Table 2.
Relevant Structural Features of [1]2+–[3]2+ and Related Structures from the Literature
| Compound | Pt oxidn state | Pt–Pt dist, Å | Pt–Laxial dist, Å | τ,a deg | ω,b deg | ref | |
|---|---|---|---|---|---|---|---|
| [Pt2(O2CCH3)2(NH3)4](NO3)2, [1](NO3)2 | 2 | 2.92149(18) | 31.9 | 5.5 | c | ||
| [Pt2(O2CCH3)2(NH3)4](SiF6)·4H2O | 2 | 2.9713(8) | 36.3 | 7.2 | 27 | ||
| HT-[Pt2(C5H4NO)2(NH3)4](NO3)2·2H2O | 2 | 2.8981(5) | 28.8 | 13.0 | 77 | ||
| HH-[Pt2(C4H6NO)2(NH3)4](SO4) ·H2O | 2 | 2.9749 (11) | 29.9 | 4.3 | 78 | ||
| [Pt2Cl2(O2CCH3)2(NH3)4](NO3)2·3DMF, [2](NO3)2·3DMF |
3 | 2.5997(2) | 2.4321(12) | 2.4017(11) | 19.3 | 1.4 | c |
| [Pt2Br2(O2CCH3)2(NH3)4](NO3)2·3DMF, [3](NO3)2·3DMFd |
3 | 2.6004(3) 2.6052(3) |
2.5590(7) 2.5597(7) |
2.5465(7) 2.5399(7) |
18.4 19.6 |
3.5 2.6 |
c |
| HT-[Pt2Cl2(C5H4NO)2(NH3)4](NO3)2 | 3 | 2.568(1) | 2.444(2) | 2.429(4) | 19.5 | 27.4 | 51 |
| HT-[Pt2Br2(C5H4NO)2(NH3)4](NO3)2·0.5H2O | 3 | 2.582(1) | 2.573(1) | 2.562(1) | 20.5 | 29.4 | 51 |
| HH-[Pt2Cl2(C4H6NO)2(NH3)4](SO4) ·2H2O | 3 | 2.6235 (13) | 2.410 (5) | 2.446 (5) | 16.3 | 0.4 | 79 |
| HH-[Pt2Br2(C4H6NO)2(NH3)4](NO3)2 | 3 | 2.6476 (4) | 2.5647 (9) | 2.5889 (8) | 18.1 | 1.0 | 80 |
| [Pt2(C6H7N)2(O2CCF3)2(CH3)4] | 3 | 2.557(1) | 2.09(2) | 2.17(2) | 17.6 | 22 | 67 |
| [Pt2(C5H5N)2(O2CCH3)2(CH3)4] | 3 | 2.529(1) | 2.200(11) | 15.6 | 24.8 | 68 |
a
τ is the tilt angle between adjacent platinum coordination planes.
b
ω is the average torsion angle about the Pt–Pt vector.
c
This work.
d
The features of both molecules in the asymmetric unit are reported.