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

using model chemistry: mPW1PW91/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 mPW1PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-93.990084
Energy at 298.15K-93.991449
HF Energy-93.990084
Nuclear repulsion energy27.690894
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 mPW1PW91/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 2996 2871 0.12      
2 A1 1742 1669 0.74      
3 A1 1377 1320 17.19      
4 B1 999 957 34.90      
5 B2 3059 2930 7.10      
6 B2 934 895 8.13      

Unscaled Zero Point Vibrational Energy (zpe) 5553.6 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 5320.9 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 mPW1PW91/aug-cc-pVTZ
ABC
9.54463 1.32329 1.16216

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.501
N2 0.000 0.000 0.736
H3 0.000 0.936 -1.071
H4 0.000 -0.936 -1.071

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23661.09601.0960
N21.23662.03482.0348
H31.09602.03481.8722
H41.09602.03481.8722

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 121.343 N2 C1 H4 121.343
H3 C1 H4 117.313
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.250      
2 N -0.400      
3 H 0.325      
4 H 0.325      


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 -2.494 2.494
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.841 0.000 0.000
y 0.000 -11.038 0.000
z 0.000 0.000 -12.916
Traceless
 xyz
x -0.864 0.000 0.000
y 0.000 1.841 0.000
z 0.000 0.000 -0.977
Polar
3z2-r2-1.953
x2-y2-1.803
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.315 0.000 0.000
y 0.000 2.808 0.000
z 0.000 0.000 3.828


<r2> (average value of r2) Å2
<r2> 17.001
(<r2>)1/2 4.123