Table 1 Calculated components of the effective χ⁽²⁾ tensors.

χ ⁽²⁾ _zzz

7.2 ± 1.5

8.9 ± 1.6

χ ⁽²⁾ _xxz

1.9 ± 0.5

2.2 ± 0.8

χ ⁽²⁾ _zxx

2.3 ± 0.8

2.3 ± 0.7