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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-93.419473
Energy at 298.15K-93.420845
HF Energy-93.419473
Nuclear repulsion energy27.324589
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 B3PW91/3-21G
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 3002 2885 0.38      
2 A1 1652 1588 3.41      
3 A1 1428 1372 12.58      
4 B1 1019 980 58.72      
5 B2 3052 2933 16.02      
6 B2 958 921 2.42      

Unscaled Zero Point Vibrational Energy (zpe) 5555.3 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 5339.8 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 B3PW91/3-21G
ABC
9.73369 1.27501 1.12734

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.509
N2 0.000 0.000 0.749
H3 0.000 0.927 -1.097
H4 0.000 -0.927 -1.097

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.25781.09801.0980
N21.25782.06592.0659
H31.09802.06591.8539
H41.09802.06591.8539

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 122.411 N2 C1 H4 122.411
H3 C1 H4 115.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.229      
2 N -0.258      
3 H 0.244      
4 H 0.244      


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 -2.339 2.339
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.583 0.000 0.000
y 0.000 -10.798 0.000
z 0.000 0.000 -12.665
Traceless
 xyz
x -0.851 0.000 0.000
y 0.000 1.826 0.000
z 0.000 0.000 -0.974
Polar
3z2-r2-1.948
x2-y2-1.785
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.903 0.000 0.000
y 0.000 1.931 0.000
z 0.000 0.000 2.967


<r2> (average value of r2) Å2
<r2> 17.112
(<r2>)1/2 4.137