CCCBDB listing of experimental data page 2

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Atom 1	Atom 2
C1	H2
C1	H3
C1	H4
C1	H5

State	Config	State description	Conf description	Exp. min.	Dipole (Debye)				Reference	comment	Point Group	Components
State	Config	State description	Conf description	Exp. min.	x	y	z	total	Reference	comment	Point Group	dipole	quadrupole
1	1	²B₁	C_2v	True							C_2v	1	2
1	2	²T₂	T_d	False							T_d	0	0
1	3	²B₂	D_2d	False							D_2d	0	1

State	Config	State description	Conf description	Exp. min.	Quadrupole (D Å)			Reference	comment	Point Group	Components
State	Config	State description	Conf description	Exp. min.	xx	yy	zz	Reference	comment	Point Group	dipole	quadrupole
1	1	²B₁	C_2v	True						C_2v	1	2
1	2	²T₂	T_d	False						T_d	0	0
1	3	²B₂	D_2d	False						D_2d	0	1

	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 CH4- (Methane anion)

Experimental data for CH₄^- (Methane anion)