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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVTZ
 hartrees
Energy at 0K-93.896429
Energy at 298.15K-93.897766
HF Energy-93.896429
Nuclear repulsion energy27.462894
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 PBEPBEultrafine/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 2874 2854 0.28      
2 A1 1681 1670 1.54      
3 A1 1319 1310 16.51      
4 B1 942 936 32.75      
5 B2 2915 2895 14.46      
6 B2 879 873 4.96      

Unscaled Zero Point Vibrational Energy (zpe) 5305.2 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 5268.6 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 PBEPBEultrafine/cc-pVTZ
ABC
9.45460 1.29982 1.14272

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.503
N2 0.000 0.000 0.742
H3 0.000 0.941 -1.089
H4 0.000 -0.941 -1.089

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.24481.10841.1084
N21.24482.05882.0588
H31.10842.05881.8810
H41.10842.05881.8810

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 121.948 N2 C1 H4 121.948
H3 C1 H4 116.104
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.097      
2 N -0.113      
3 H 0.105      
4 H 0.105      


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 -2.394 2.394
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.784 0.000 0.000
y 0.000 -11.117 0.000
z 0.000 0.000 -12.834
Traceless
 xyz
x -0.808 0.000 0.000
y 0.000 1.692 0.000
z 0.000 0.000 -0.884
Polar
3z2-r2-1.768
x2-y2-1.667
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.806 0.000 0.000
y 0.000 2.551 0.000
z 0.000 0.000 3.677


<r2> (average value of r2) Å2
<r2> 17.162
(<r2>)1/2 4.143