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All results from a given calculation for H2CN (Dihydrogen cyanide radical)

using model chemistry: PBE1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at PBE1PBE/STO-3G
 hartrees
Energy at 0K-92.672060
Energy at 298.15K-92.673386
HF Energy-92.672060
Nuclear repulsion energy26.671447
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBE1PBE/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3321 2929 25.56      
2 A1 1729 1525 16.48      
3 A1 1487 1312 3.62      
4 B1 1005 887 30.40      
5 B2 3459 3051 0.92      
6 B2 984 868 3.69      

Unscaled Zero Point Vibrational Energy (zpe) 5992.1 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 5285.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBE1PBE/STO-3G
ABC
9.50687 1.20662 1.07072

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.528
N2 0.000 0.000 0.770
H3 0.000 0.938 -1.113
H4 0.000 -0.938 -1.113

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.29791.10561.1056
N21.29792.10382.1038
H31.10562.10381.8759
H41.10562.10381.8759

picture of Dihydrogen cyanide radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N2 C1 H3 121.965 N2 C1 H4 121.965
H3 C1 H4 116.071
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.109      
2 N -0.106      
3 H 0.108      
4 H 0.108      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.793 1.793
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.323 0.000 0.000
y 0.000 -10.109 0.000
z 0.000 0.000 -11.894
Traceless
 xyz
x -0.322 0.000 0.000
y 0.000 1.500 0.000
z 0.000 0.000 -1.178
Polar
3z2-r2-2.356
x2-y2-1.214
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.455 0.000 0.000
y 0.000 1.100 0.000
z 0.000 0.000 1.794


<r2> (average value of r2) Å2
<r2> 16.998
(<r2>)1/2 4.123