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	hartrees
Energy at 0K	-169.379196
Energy at 298.15K	-169.378518
Nuclear repulsion energy	76.849517

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	Σ	3508	3336	77.31
2	Σ	2417	2299	29.90
3	Σ	2206	2098	1.42
4	Σ	921	876	0.00
5	Π	672	640	49.67
5	Π	672	640	49.67
6	Π	576	548	1.67
6	Π	576	548	1.67
7	Π	257	245	0.50
7	Π	257	245	0.50

Atom	x (Å)	y (Å)	z (Å)
N1	0.000	0.000	1.903
C2	0.000	0.000	0.741
C3	0.000	0.000	-0.634
C4	0.000	0.000	-1.842
H5	0.000	0.000	-2.911

	N1	C2	C3	C4	H5
N1		1.1616	2.5368	3.7452	4.8140
C2	1.1616		1.3752	2.5836	3.6524
C3	2.5368	1.3752		1.2084	2.2772
C4	3.7452	2.5836	1.2084		1.0688
H5	4.8140	3.6524	2.2772	1.0688

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
N1	C2	C3	180.000		C2	C3	C4	180.000
C3	C4	H5	180.000

All results from a given calculation for HCCCN (Cyanoacetylene)

using model chemistry: HSEh1PBE/6-31G*

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Calc. vs exp. Bad Vib. HF vs MP2 Bad scale factors Low excited states Oddities NaCN Is not linear FAQ Help Units Choose Units Energy Bond length Rotational Constant Moment of Inertia Dipole and Quadrupole Polarizability Explanations Hartree cm-1 Debye Credits Just show me Show me a calculated geometry Summary Using older interface Limit Basis sets Method options List Recent molecules Choose a few Molecules Number of atoms By heavy atoms Diatomics InChI Deuterated Dimers Geometry Point group Point group count Bonds types Isodesmic reactions Bad point group Multiple conformers, states Vibrations Big anharmonicity Energy Enthalpy at 0 Kelvin Similar molecules Similar Isomers Cis/trans Tautomers Multiple conformers, states Ions, Dipoles, etc. List Ions Ionization changes point group Dipole Quadrupole Polarizability Proton Affinities Index of CCCBDB Feedback Error form Wants
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Number	Element	Mulliken
1	N	-0.475
2	C	0.129
3	C	0.600
4	C	-0.535
5	H	0.281

	x	y	z	Total
	0.000	0.000	-3.862	3.862
CHELPG
AIM
ESP

<r²>	73.194
(<r²>)^1/2	8.555