Table 2 Selected bond lengths (Å) and angles (°) for 1a and 1b

Co1–N7

1.955(2)

Co1–N4

1.964(2)

Co1–N8

1.977(2)

Co1–N5

1.963(2)

Co1–N9

1.978(2)

Co1–N6

1.966(2)

Co1–N10

1.981(2)

Co1–N7

1.956(2)

Co1–N11

1.971(2)

Co1–N8

1.968(2)

Co1–N12

1.968(2)

Co1–N9

1.966(2)

Fe1A–C1A

1.941(3)

Fe1A–C1A

1.947(3)

Fe1A–C2A

1.932(3)

Fe1A–C2A

1.927(3)

Fe1A–C3A

1.946(3)

Fe1A–C3A

1.944(3)

Fe1–C1

1.951(3)

Fe1–C1

1.941(3)

Fe1–C2

1.948(3)

Fe1–C2

1.946(3)

Fe1–C3

1.944(3)

Fe1–C3

1.928(3)

N7–Co–N8

85.59(9)

N4–Co–N5

85.40(9)

N9–Co–N10

84.82(9)

N6–Co–N7

85.74(9)

N11–Co–N12

85.67(9)

N9–Co–N8

85.55(9)