Table 2. Organic Cation Bounding Box (OCBB) Dimensions for Anisidinium Tetrachlorocupratesa.
| compound | (o-A)2CuCl4 | (m-A)2CuCl4 | (p-A)2CuCl4 |
|---|---|---|---|
| OCBB major axis/int. l. (Å)b | 1.696 (9.227) | 1.665 (9.060) | 1.859 (10.112) |
| OCBB minor axis/int. l. (Å)c | 1.430 (7.781) | 1.402 (7.627) | 1.223 (6.655) |
| OCBB minimal axis/int. l. (Å)c | 0.735 (4.000) | 0.722 (3.928) | 0.729 (3.966) |
| volume/int. l.3 (Å3)b | 1.783 (287.19) | 1.686 (271.45) | 1.658 (266.94) |
| minimal face area/int. l.2 (Å3)d | 1.051 (31.12) | 1.012 (29.96) | 0.892 (26.39) |
a
Interaction length is equal to the expected Cu–Cu distance, i.e., 2ri(Cu) + 2ri(Cl) = 5.44 Å.
b
In principle unlimited for 2D HOIHs.
c
No larger
than diagonals of parallelogram
spanned by metal centers, in this case 
int. l.
d
No larger than the area of parallelogram spanned by metal centers, in this case 1 int. l.