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. 2016 Sep 15;22(44):15712–15724. doi: 10.1002/chem.201603135

Figure 4.

Figure 4

Molecular structures of [K(18‐crown‐6)][3 a]⋅0.5 tol⋅0.5 pent (left) and [K(2,2,2‐crypt)][3 b] (right). Thermal ellipsoids pictured at 50 % probability level; [K(18‐crown‐6)]+/[ K(2,2,2‐crypt)]+, solvent of crystallisation and hydrogen atoms omitted for clarity. Selected interatomic distances [Å] and angles [°]; 3 a: P1−N1 1.749(2), P1−O1 1.855(2), P1−O2 1.931(2), P1−N2 1.764(2), O1‐P1‐O2 167.49(7), O1‐P1‐N2 91.52(8), O2‐P1‐N2 91.19(8), N1‐P1‐O1 84.83(8), N1‐P1‐O2 82.67(8), N1‐P1‐N2 103.90(9), C6‐N1‐C20 126.80(18), C6‐N1‐P1 115.99(15), C20‐N1‐P1 116.93(13). 3 b: As1−N1 1.874(2), As1−O1 1.995(2), As1−O2 2.051(2), As1−N2 1.924(2), O1‐As1‐O2 161.48(6), O1‐As1‐N2 91.82(8), O2‐As1‐N2 92.84(8), N1‐As1‐O1 81.37(8), N1‐As1‐O2 80.22(8), N1‐As1‐N2 98.26(8), C6‐N1‐C20 128.26(18), C6‐N1‐As1 115.20(15), C20‐N1‐As1 116.51(14).