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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-16.679608
Energy at 298.15K-16.680962
HF Energy-16.679608
Nuclear repulsion energy14.992955
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 B3LYP/CEP-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 3004 2901 2.28      
2 A1 1699 1641 0.09      
3 A1 1380 1332 11.92      
4 B1 979 945 52.02      
5 B2 3067 2962 26.71      
6 B2 932 900 5.82      

Unscaled Zero Point Vibrational Energy (zpe) 5530.0 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 5340.3 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 B3LYP/CEP-31G*
ABC
9.34646 1.26078 1.11092

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.515
N2 0.000 0.000 0.754
H3 0.000 0.946 -1.093
H4 0.000 -0.946 -1.093

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.26821.10891.1089
N21.26822.07502.0750
H31.10892.07501.8919
H41.10892.07501.8919

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 121.454 N2 C1 H4 121.454
H3 C1 H4 117.093
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.555      
2 N 0.112      
3 H 0.222      
4 H 0.222      


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 -2.553 2.553
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.776 0.000 0.000
y 0.000 -10.682 0.000
z 0.000 0.000 -12.622
Traceless
 xyz
x -1.123 0.000 0.000
y 0.000 2.017 0.000
z 0.000 0.000 -0.893
Polar
3z2-r2-1.787
x2-y2-2.093
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.473 0.000 0.000
y 0.000 1.950 0.000
z 0.000 0.000 3.290


<r2> (average value of r2) Å2
<r2> 15.591
(<r2>)1/2 3.948