Table 1. Selected bond lengths (Å).

C12—Fe1	2.035 (3)
C13—Fe1	2.044 (3)
C14—Fe1	2.051 (3)
C15—Fe1	2.034 (3)
C16—Fe1	2.016 (3)
C17—Fe1	2.047 (3)
C18—Fe1	2.033 (3)
C19—Fe1	2.036 (3)
C20—Fe1	2.035 (3)
C21—Fe1	2.045 (3)