. Author manuscript; available in PMC: 2023 Jul 8.

Published in final edited form as: Eur J Inorg Chem. 2022 Apr 7;2022(19):e202200039. doi: 10.1002/ejic.202200039

Table 4.

Electronic spectra of bis-μ-oxo bridged Mn(III,IV) dimers

Complex	λ_max [nm],(ε, Mol⁻¹ cm⁻¹)	Solvent	Ref.

1b	525 (530), 555 (455), 684 (561)	bipy buffer	^[15d]
2a	523 (580), 550 (460), 680 (550), 800 (sh)	solid state	^[16]
2b	525 (509), 555 (427), 684 (553)	phen buffer	^[15d]
3b	386 (1355),432 (1270), 553 (569), 655 (526), 805 (250)	H₂O	^[18]
4b	443 (1490), 561 (760), 658 (620)	CH₃CN	^[15h]
5a	380 (1170), 428 (sh), 526 (sh), 548 (440),	CH₃CN	^[15g]
	590 (sh), 638 (sh), 680 (570)
6a	550 (760), 650 (780)	H₂O	^[1b,15f]
	556 (750), 560 (sh), 646 (760), 800 (125)	CH₃CN
6b	550 (750), 644 (770), 800 (sh)	N-methylformamide	^[20]
7a	556 (700), 650 (890), 740 (880)	H₂O	^[15f]
7b	381 (1741), 430 (sh 1275), 554 (535), 658 (676), 696 (666)	H₂O	^[22]
	379 (1769), 430 (sh 1289), 554 (550), 652 (678), 697 (667)	N-methylformamide
9b	382(652), 555(181), 665(211), 800 (sh)	H₂O	^[25]
10	548, 562(760), 652(750)	H₂O	^[26]