Table 6: Selected bond lengths (Å) and angles(°) for cyCuKNi.

Bond lengths
Cu1-N1 1.934(7) Cu2-N3 1.907(8)
Cu1-N2 1.989(8) Cu2-N4 1.964(7)
Cu1-O2 1.885(7) Cu2-O6 1.915(6)
Cu1-O4 1.927(6) Cu2-O8 1.941(7)
Cu1-N5 2.435(8) Cu2-N6 2.403(9)
Ni1-C45 1.822(12) Ni1-C47 1.861(11)
Ni1-C46 1.912(11) Ni1-C48 1.861(10)
K1-O1 2.716(7) K2-O5 2.771(7)
K1-O2 2.696(7) K2-O6 2.723(7)
K1-O3 2.765(7) K2-O7 2.727(7)
K1-O4 2.705(7) K2-O8 2.707(7)
K1-N6#2 2.864(9) K2-N5#1 2.868(10)
K2-N8#1 3.170(11)
Bond angles
N1-Cu1-N2 83.5(3) N3-Cu2-N4 85.5(3)
N1-Cu1-O2 94.3(3) N3-Cu2-O6 94.5(3)
N1-Cu1-O4 173.9(3) N3-Cu2-O8 172.5(3)
N2-Cu1-O2 169.3(3) N4-Cu2-O6 166.2(3)
N2-Cu1-O4 92.6(3) N4-Cu2-O8 92.0(3)
O2-Cu1-O4 88.6(3) O6-Cu2-O8 86.3(3)
C45-Ni1-C46 178.0(6) C46-Ni1-C47 86.1(4)
C45-Ni1-C47 94.3(4) C46-Ni1-C48 91.2(4)
C45-Ni1-C48 88.5(5) C47-Ni1-C48 176.1(6)
O1-K1-O2 57.3(2) O5-K2-O6 56.5(2)
O1-K1-O3 172.7(2) O5-K2-O7 164.2(2)
O1-K1-O4 116.4(2) O5-K2-O8 114.4(2)
O2-K1-O3 115.5(2) O6-K2-O7 114.4(2)
O2-K1-O4 59.06(19) O6-K2-O8 58.13(19)
O3-K1-O4 56.6(2) O7-K2-O8 56.9(2)

Symmetry operation:
#1 [x, y, -1+z],
#2 [x, y, 1+z].