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

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-92.906496
Energy at 298.15K-92.907880
HF Energy-92.906496
Nuclear repulsion energy27.133200
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 HF/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 3213 2900 0.29      
2 A1 1596 1441 12.26      
3 A1 1321 1192 0.37      
4 B1 1013 914 53.41      
5 B2 3293 2972 12.79      
6 B2 1076 972 9.81      

Unscaled Zero Point Vibrational Energy (zpe) 5756.0 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 5195.3 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 HF/3-21G*
ABC
9.84133 1.24746 1.10713

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.523
N2 0.000 0.000 0.758
H3 0.000 0.922 -1.082
H4 0.000 -0.922 -1.082

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.28051.07831.0783
N21.28052.05792.0579
H31.07832.05791.8437
H41.07832.05791.8437

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 121.248 N2 C1 H4 121.248
H3 C1 H4 117.503
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.211      
2 N -0.267      
3 H 0.239      
4 H 0.239      


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 -2.381 2.381
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.739 0.000 0.000
y 0.000 -10.941 0.000
z 0.000 0.000 -13.231
Traceless
 xyz
x -0.652 0.000 0.000
y 0.000 2.044 0.000
z 0.000 0.000 -1.391
Polar
3z2-r2-2.783
x2-y2-1.797
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.907 0.000 0.000
y 0.000 1.870 0.000
z 0.000 0.000 2.681


<r2> (average value of r2) Å2
<r2> 17.385
(<r2>)1/2 4.170