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

using model chemistry: mPW1PW91/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at mPW1PW91/6-311G**
 hartrees
Energy at 0K-93.978345
Energy at 298.15K-93.979710
HF Energy-93.978345
Nuclear repulsion energy27.629618
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 mPW1PW91/6-311G**
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 2866 0.06      
2 A1 1746 1670 0.79      
3 A1 1382 1322 16.73      
4 B1 997 954 36.12      
5 B2 3058 2926 11.79      
6 B2 935 894 6.44      

Unscaled Zero Point Vibrational Energy (zpe) 5556.8 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 5316.2 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 mPW1PW91/6-311G**
ABC
9.53362 1.31648 1.15675

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.502
N2 0.000 0.000 0.737
H3 0.000 0.937 -1.075
H4 0.000 -0.937 -1.075

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23941.09811.0981
N21.23942.04022.0402
H31.09812.04021.8732
H41.09812.04021.8732

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 121.464 N2 C1 H4 121.464
H3 C1 H4 117.072
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.097      
2 N -0.189      
3 H 0.143      
4 H 0.143      


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 -2.421 2.421
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.643 0.000 0.000
y 0.000 -10.858 0.000
z 0.000 0.000 -12.731
Traceless
 xyz
x -0.849 0.000 0.000
y 0.000 1.830 0.000
z 0.000 0.000 -0.981
Polar
3z2-r2-1.961
x2-y2-1.786
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.434 0.000 0.000
y 0.000 2.193 0.000
z 0.000 0.000 3.390


<r2> (average value of r2) Å2
<r2> 16.928
(<r2>)1/2 4.114