CCCBDB listing of experimental data page 2

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Bond Type	Count
H-C	9
C-O	3

Atom 1	Atom 2
O1	C2
O1	C3
O1	C4
C2	H5
C2	H8
C2	H9
C3	H6
C3	H10
C3	H11
C4	H7
C4	H12
C4	H13

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Experimental data for C3H9O+ (trimethyl oxonium cation)

Experimental data for C₃H₉O⁺ (trimethyl oxonium cation)