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

using model chemistry: ROHF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at ROHF/cc-pVDZ
 hartrees
Energy at 0K-93.440973
Energy at 298.15K-93.442361
HF Energy-93.440973
Nuclear repulsion energy27.360275
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 ROHF/cc-pVDZ
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 3194 2749 0.00      
2 A1 1613 1388 15.46      
3 A1 1419 1222 1.20      
4 B1 1019 877 31.16      
5 B2 3286 2829 11.16      
6 B2 1043 898 15.20      

Unscaled Zero Point Vibrational Energy (zpe) 5787.5 cm-1
Scaled (by 0.8607) Zero Point Vibrational Energy (zpe) 4981.3 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 ROHF/cc-pVDZ
ABC
9.51035 1.28466 1.13178

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.514
N2 0.000 0.000 0.746
H3 0.000 0.938 -1.071
H4 0.000 -0.938 -1.071

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.26021.09101.0910
N21.26022.04552.0455
H31.09102.04551.8755
H41.09102.04551.8755

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 120.737 N2 C1 H4 120.737
H3 C1 H4 118.526
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.025      
2 N -0.166      
3 H 0.070      
4 H 0.070      


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 -2.331 2.331
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.694 0.000 0.000
y 0.000 -10.909 0.000
z 0.000 0.000 -12.931
Traceless
 xyz
x -0.774 0.000 0.000
y 0.000 1.904 0.000
z 0.000 0.000 -1.129
Polar
3z2-r2-2.259
x2-y2-1.785
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 17.145
(<r2>)1/2 4.141