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

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-93.469962
Energy at 298.15K-93.471358
HF Energy-93.469962
Nuclear repulsion energy27.589118
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 HF/Def2TZVPP
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 3175 2878 0.27      
2 A1 1628 1476 17.96      
3 A1 1431 1297 0.52      
4 B1 1053 954 33.59      
5 B2 3260 2955 11.17      
6 B2 1064 964 16.50      

Unscaled Zero Point Vibrational Energy (zpe) 5805.0 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 5261.6 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 HF/Def2TZVPP
ABC
9.65757 1.30658 1.15088

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.511
N2 0.000 0.000 0.742
H3 0.000 0.930 -1.062
H4 0.000 -0.930 -1.062

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.25271.08131.0813
N21.25272.02962.0296
H31.08132.02961.8605
H41.08132.02961.8605

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 120.649 N2 C1 H4 120.649
H3 C1 H4 118.703
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.052      
2 N -0.208      
3 H 0.078      
4 H 0.078      


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 -2.445 2.445
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.900 0.000 0.000
y 0.000 -10.998 0.000
z 0.000 0.000 -13.072
Traceless
 xyz
x -0.865 0.000 0.000
y 0.000 1.988 0.000
z 0.000 0.000 -1.123
Polar
3z2-r2-2.247
x2-y2-1.902
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.916 0.000 0.000
y 0.000 2.341 0.000
z 0.000 0.000 3.458


<r2> (average value of r2) Å2
<r2> 17.076
(<r2>)1/2 4.132