CCCBDB listing of experimental data page 2

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

Atom 1	Atom 2
C1	C2
C1	N3
C2	N4
N3	H5
N3	H6
N4	H7
N4	H8

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	¹A	C₂	False							C₂	1	3
1	2	¹A₁	D_2d	True							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	¹A	C₂	False						C₂	1	3
1	2	¹A₁	D_2d	True						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 NH2CCNH2 (Diaminoacetylene)

Experimental data for NH₂CCNH₂ (Diaminoacetylene)