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

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G
 hartrees
Energy at 0K-93.350774
Energy at 298.15K-93.352149
HF Energy-93.350774
Nuclear repulsion energy27.360828
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 HSEh1PBE/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 2909 0.60      
2 A1 1667 1606 3.31      
3 A1 1434 1381 13.00      
4 B1 1028 990 59.02      
5 B2 3073 2960 14.11      
6 B2 965 930 2.55      

Unscaled Zero Point Vibrational Energy (zpe) 5592.5 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 5387.2 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 HSEh1PBE/3-21G
ABC
9.74199 1.27889 1.13048

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/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
C11.25611.09681.0968
N21.25612.06282.0628
H31.09682.06281.8531
H41.09682.06281.8531

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 122.355 N2 C1 H4 122.355
H3 C1 H4 115.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.233      
2 N -0.258      
3 H 0.245      
4 H 0.245      


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 -2.340 2.340
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.606 0.000 0.000
y 0.000 -10.813 0.000
z 0.000 0.000 -12.694
Traceless
 xyz
x -0.853 0.000 0.000
y 0.000 1.837 0.000
z 0.000 0.000 -0.985
Polar
3z2-r2-1.969
x2-y2-1.793
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.900 0.000 0.000
y 0.000 1.920 0.000
z 0.000 0.000 2.951


<r2> (average value of r2) Å2
<r2> 17.099
(<r2>)1/2 4.135