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

using model chemistry: PBE1PBE/6-31G**

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/6-31G**
 hartrees
Energy at 0K-93.866234
Energy at 298.15K-93.867600
HF Energy-93.866234
Nuclear repulsion energy27.508300
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/6-31G**
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 3036 2893 0.02      
2 A1 1762 1679 0.57      
3 A1 1405 1340 12.18      
4 B1 996 949 35.70      
5 B2 3097 2952 13.01      
6 B2 949 904 5.27      

Unscaled Zero Point Vibrational Energy (zpe) 5621.8 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 5358.1 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/6-31G**
ABC
9.54169 1.30202 1.14569

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.505
N2 0.000 0.000 0.741
H3 0.000 0.936 -1.082
H4 0.000 -0.936 -1.082

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.24601.09981.0998
N21.24602.04942.0494
H31.09982.04941.8724
H41.09982.04941.8724

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 121.648 N2 C1 H4 121.648
H3 C1 H4 116.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.179      
2 N -0.224      
3 H 0.201      
4 H 0.201      


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 -2.384 2.384
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.558 0.000 0.000
y 0.000 -10.822 0.000
z 0.000 0.000 -12.568
Traceless
 xyz
x -0.862 0.000 0.000
y 0.000 1.740 0.000
z 0.000 0.000 -0.878
Polar
3z2-r2-1.756
x2-y2-1.735
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.159 0.000 0.000
y 0.000 2.123 0.000
z 0.000 0.000 3.249


<r2> (average value of r2) Å2
<r2> 16.953
(<r2>)1/2 4.117