CCCBDB listing of experimental data page 2

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Bond Type	Count
H-C	4
C-C	1
C=C	2
C-N	2

Atom 1	Atom 2
N1	C2
N1	C3
C2	C4
C2	H6
C3	C5
C3	H7
C4	C5
C4	H8
C5	H9

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	¹A₁	C_2v	True							C_2v	1	2

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	¹A₁	C_2v	True						C_2v	1	2

	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 C4H4N- (pyrrolide anion)

Experimental data for C₄H₄N^- (pyrrolide anion)