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

using model chemistry: PBE1PBE/3-21G*

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/3-21G*
 hartrees
Energy at 0K-93.342262
Energy at 298.15K-93.343636
HF Energy-93.342262
Nuclear repulsion energy27.349756
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/3-21G*
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 3020 2898 0.67      
2 A1 1666 1599 3.36      
3 A1 1432 1374 12.94      
4 B1 1027 985 59.68      
5 B2 3073 2950 13.78      
6 B2 963 925 2.54      

Unscaled Zero Point Vibrational Energy (zpe) 5590.2 cm-1
Scaled (by 0.9598) Zero Point Vibrational Energy (zpe) 5365.4 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/3-21G*
ABC
9.73253 1.27788 1.12957

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.508
N2 0.000 0.000 0.748
H3 0.000 0.927 -1.095
H4 0.000 -0.927 -1.095

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.25671.09711.0971
N21.25672.06342.0634
H31.09712.06341.8540
H41.09712.06341.8540

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 122.336 N2 C1 H4 122.336
H3 C1 H4 115.329
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.235      
2 N -0.259      
3 H 0.247      
4 H 0.247      


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 -2.345 2.345
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.621 0.000 0.000
y 0.000 -10.816 0.000
z 0.000 0.000 -12.695
Traceless
 xyz
x -0.865 0.000 0.000
y 0.000 1.842 0.000
z 0.000 0.000 -0.977
Polar
3z2-r2-1.954
x2-y2-1.805
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.901 0.000 0.000
y 0.000 1.921 0.000
z 0.000 0.000 2.957


<r2> (average value of r2) Å2
<r2> 17.110
(<r2>)1/2 4.136