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

using model chemistry: HF/daug-cc-pVTZ

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/daug-cc-pVTZ
 hartrees
Energy at 0K-93.467937
Energy at 298.15K-93.469332
HF Energy-93.467937
Nuclear repulsion energy27.581650
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/daug-cc-pVTZ
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 3174 2871 0.36      
2 A1 1626 1471 18.58      
3 A1 1429 1293 0.50      
4 B1 1054 953 34.99      
5 B2 3258 2947 9.58      
6 B2 1062 960 17.04      

Unscaled Zero Point Vibrational Energy (zpe) 5801.0 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 5247.5 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/daug-cc-pVTZ
ABC
9.65474 1.30576 1.15020

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.510
N2 0.000 0.000 0.740
H3 0.000 0.931 -1.061
H4 0.000 -0.931 -1.061

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.25051.08171.0817
N21.25052.02792.0279
H31.08172.02791.8614
H41.08172.02791.8614

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 120.639 N2 C1 H4 120.639
H3 C1 H4 118.722
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.921      
2 N -0.826      
3 H 0.873      
4 H 0.873      


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 -2.454 2.454
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.946 0.000 0.000
y 0.000 -11.027 0.000
z 0.000 0.000 -13.082
Traceless
 xyz
x -0.892 0.000 0.000
y 0.000 1.987 0.000
z 0.000 0.000 -1.095
Polar
3z2-r2-2.190
x2-y2-1.919
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.274 0.000 0.000
y 0.000 2.626 0.000
z 0.000 0.000 3.590


<r2> (average value of r2) Å2
<r2> 17.098
(<r2>)1/2 4.135