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

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-93.863867
Energy at 298.15K-93.865203
HF Energy-93.863867
Nuclear repulsion energy27.288884
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 PBEPBE/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 2904 2865 0.06      
2 A1 1692 1668 1.29      
3 A1 1341 1322 12.85      
4 B1 941 928 33.83      
5 B2 2951 2910 16.37      
6 B2 889 877 3.31      

Unscaled Zero Point Vibrational Energy (zpe) 5358.6 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 5285.2 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 PBEPBE/6-31G**
ABC
9.44898 1.27979 1.12713

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.507
N2 0.000 0.000 0.748
H3 0.000 0.941 -1.097
H4 0.000 -0.941 -1.097

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.25471.11081.1108
N21.25472.07122.0712
H31.11082.07121.8816
H41.11082.07121.8816

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 122.115 N2 C1 H4 122.115
H3 C1 H4 115.771
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.064      
2 N -0.234      
3 H 0.149      
4 H 0.149      


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 -2.316 2.316
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.515 0.000 0.000
y 0.000 -10.884 0.000
z 0.000 0.000 -12.560
Traceless
 xyz
x -0.793 0.000 0.000
y 0.000 1.653 0.000
z 0.000 0.000 -0.860
Polar
3z2-r2-1.721
x2-y2-1.631
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.203 0.000 0.000
y 0.000 2.223 0.000
z 0.000 0.000 3.364


<r2> (average value of r2) Å2
<r2> 17.121
(<r2>)1/2 4.138