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

using model chemistry: PBEPBEultrafine/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-93.898648
Energy at 298.15K-93.899984
HF Energy-93.898648
Nuclear repulsion energy27.464831
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/aug-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 2876 2844 0.35      
2 A1 1678 1659 1.40      
3 A1 1317 1302 17.25      
4 B1 940 929 35.20      
5 B2 2918 2885 10.55      
6 B2 878 868 5.67      

Unscaled Zero Point Vibrational Energy (zpe) 5303.4 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 5244.0 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/aug-cc-pVTZ
ABC
9.43745 1.30053 1.14302

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-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 -1.087
H4 0.000 -0.941 -1.087

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.24501.10801.1080
N21.24502.05742.0574
H31.10802.05741.8828
H41.10802.05741.8828

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 121.830 N2 C1 H4 121.830
H3 C1 H4 116.340
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.283      
2 N -0.346      
3 H 0.315      
4 H 0.315      


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 -2.479 2.479
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.970 0.000 0.000
y 0.000 -11.250 0.000
z 0.000 0.000 -13.092
Traceless
 xyz
x -0.799 0.000 0.000
y 0.000 1.780 0.000
z 0.000 0.000 -0.982
Polar
3z2-r2-1.963
x2-y2-1.719
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.422 0.000 0.000
y 0.000 3.002 0.000
z 0.000 0.000 4.079


<r2> (average value of r2) Å2
<r2> 17.277
(<r2>)1/2 4.157