CCCBDB listing of experimental data page 2

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Description	Value	unc.	Connectivity				Reference	Comment
Description	Value	unc.	Atom 1	Atom 2	Atom 3	Atom 4	Reference	Comment
dCNCO	180		2	1	3	4	1976Hellwege(II/7)

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

Atom 1	Atom 2
C1	O2
C1	N3
C1	H5
N3	C4
N3	H6
C4	H7
C4	H8
C4	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	¹A^'	CS cis	False							C_s	2	3
1	3	¹A^'	C1 cis	True				3.830	NSRDS-NBS10	DR	C_s	2	3

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^'	CS cis	False						C_s	2	3
1	3	¹A^'	C1 cis	True						C_s	2	3

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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squib	reference	DOI
1976Hellwege(II/7)	Hellwege, KH and AM Hellwege (ed.). Landolt-Bornstein: Group II: Atomic and Molecular Physics Volume 7: Structure Data of Free Polyatomic Molecules. Springer-Verlag. Berlin. 1976.
NSRDS-NBS10	R. D. Nelson Jr., D. R. Lide, A. A. Maryott "Selected Values of electric dipole moments for molecules in the gas phase" NSRDS-NBS10, 1967	10.6028/NBS.NSRDS.10

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Experimental data for HCONHCH3 (N-methylformamide)

Experimental data for HCONHCH₃ (N-methylformamide)