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

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-93.943117
Energy at 298.15K-93.944478
HF Energy-93.943117
Nuclear repulsion energy27.570720
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 B1B95/6-31+G**
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 3017 2886 0.01      
2 A1 1758 1682 0.62      
3 A1 1383 1323 13.70      
4 B1 993 950 43.78      
5 B2 3085 2951 8.74      
6 B2 931 890 5.43      

Unscaled Zero Point Vibrational Energy (zpe) 5583.4 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 5341.1 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 B1B95/6-31+G**
ABC
9.53248 1.30952 1.15135

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.504
N2 0.000 0.000 0.739
H3 0.000 0.937 -1.076
H4 0.000 -0.937 -1.076

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.24321.09781.0978
N21.24322.04312.0431
H31.09782.04311.8733
H41.09782.04311.8733

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 121.438 N2 C1 H4 121.438
H3 C1 H4 117.124
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.192      
2 N -0.151      
3 H 0.172      
4 H 0.172      


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 -2.552 2.552
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.938 0.000 0.000
y 0.000 -11.065 0.000
z 0.000 0.000 -12.990
Traceless
 xyz
x -0.910 0.000 0.000
y 0.000 1.899 0.000
z 0.000 0.000 -0.989
Polar
3z2-r2-1.977
x2-y2-1.873
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.721 0.000 0.000
y 0.000 2.373 0.000
z 0.000 0.000 3.738


<r2> (average value of r2) Å2
<r2> 17.123
(<r2>)1/2 4.138