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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-93.924665
Energy at 298.15K-93.926046
HF Energy-93.924665
Nuclear repulsion energy27.312482
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 mPW1PW91/6-31G
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 3067 2903 0.17      
2 A1 1703 1612 1.69      
3 A1 1439 1362 14.29      
4 B1 1036 980 58.02      
5 B2 3140 2973 13.54      
6 B2 988 935 4.11      

Unscaled Zero Point Vibrational Energy (zpe) 5686.7 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 5383.0 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 mPW1PW91/6-31G
ABC
9.67518 1.27478 1.12637

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.512
N2 0.000 0.000 0.749
H3 0.000 0.930 -1.088
H4 0.000 -0.930 -1.088

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.26091.09411.0941
N21.26092.05942.0594
H31.09412.05941.8595
H41.09412.05941.8595

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 121.810 N2 C1 H4 121.810
H3 C1 H4 116.380
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.213      
2 N -0.193      
3 H 0.203      
4 H 0.203      


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 -2.512 2.512
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.622 0.000 0.000
y 0.000 -10.831 0.000
z 0.000 0.000 -12.937
Traceless
 xyz
x -0.738 0.000 0.000
y 0.000 1.949 0.000
z 0.000 0.000 -1.210
Polar
3z2-r2-2.420
x2-y2-1.791
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.041 0.000 0.000
y 0.000 2.034 0.000
z 0.000 0.000 3.290


<r2> (average value of r2) Å2
<r2> 17.175
(<r2>)1/2 4.144