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

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-93.954049
Energy at 298.15K-93.955425
HF Energy-93.954049
Nuclear repulsion energy27.252051
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/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 3026 2911 0.07      
2 A1 1681 1617 1.66      
3 A1 1432 1377 13.48      
4 B1 1021 982 51.51      
5 B2 3090 2972 16.91      
6 B2 979 942 4.33      

Unscaled Zero Point Vibrational Energy (zpe) 5613.9 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 5400.6 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/6-31G
ABC
9.65434 1.26861 1.12127

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.512
N2 0.000 0.000 0.751
H3 0.000 0.931 -1.093
H4 0.000 -0.931 -1.093

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.26331.09711.0971
N21.26332.06572.0657
H31.09712.06571.8615
H41.09712.06571.8615

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 121.968 N2 C1 H4 121.968
H3 C1 H4 116.065
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.167      
2 N -0.187      
3 H 0.177      
4 H 0.177      


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 -2.471 2.471
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.590 0.000 0.000
y 0.000 -10.907 0.000
z 0.000 0.000 -12.996
Traceless
 xyz
x -0.638 0.000 0.000
y 0.000 1.886 0.000
z 0.000 0.000 -1.248
Polar
3z2-r2-2.495
x2-y2-1.683
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.036 0.000 0.000
y 0.000 2.051 0.000
z 0.000 0.000 3.299


<r2> (average value of r2) Å2
<r2> 17.243
(<r2>)1/2 4.152