Table 3. Selected bond distances (in Å) and polyhedral distortion (Δ × 10⁻⁴) for fibre_T and fibre_C.

Note: polyhedron distortion Δ as defined by Shannon (1976 ▸), Δ = (1/n)Σ[(R _i−R)/R]², where n is the number of ligands, R is the average bond length and R _i is an individual bond length.

		fibre_T	fibre_C			fibre_T	fibre_C
T(1)	O(1)	1.616 (4)	1.610 (4)	T(2)	O(2)	1.618 (4)	1.614 (4)
	O(5)	1.620 (4)0	1.616 (4)		O(4)	1.604 (4)	1.603 (4)
	O(6)	1.627 (4)	1.625 (4)		O(5)	1.631 (4)	1.631 (4)
	O(7)	1.610 (2)	1.606 (2)		O(6)	1.647 (4)	1.643 (4)
	Average	1.618 (4)	1.614 (4)		Average	1.625 (4)	1.623 (4)
	Δ	0.146	0.196		Δ	0.955	0.899
M(1)	O(1) × 2	2.078 (4)	2.076 (4)	M(2)	O(1) × 2	2.163 (4)	2.165 (4)
	O(2) × 2	2.167 (4)	2.165 (4)		O(2) × 2	2.122 (4)	2.122 (4)
	O(3) × 2	2.066 (4)	2.061 (5)		O(4) × 2	2.053 (4)	2.049 (4)
	Average	2.104 (4)	2.101 (4)		Average	2.113 (4)	2.112 (4)
	Δ	4.670	4.652		Δ	4.688	5.223
M(3)	O(1) × 4	2.118 (4)	2.119 (4)	M(4)	O(2) × 2	2.147 (4)	2.149 (4)
	O(3) × 2	2.051 (6)	2.047 (6)		O(4) × 2	2.004 (4)	2.000 (4)
					O(6) × 2	2.674 (4)	2.667 (5)
	Average	2.096 (5)	2.095 (5)		Average	2.275 (4)	2.272 (4)
	Δ	2.324	2.688		Δ	147.021	145.692