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

using model chemistry: ROHF/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-93.473284
Energy at 298.15K-93.474682
HF Energy-93.473284
Nuclear repulsion energy27.602443
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/aug-cc-pVQZ
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 3173 3173 0.38      
2 A1 1628 1628 18.39      
3 A1 1431 1431 0.55      
4 B1 1055 1055 34.79      
5 B2 3257 3257 9.62      
6 B2 1064 1064 17.04      

Unscaled Zero Point Vibrational Energy (zpe) 5804.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 5804.0 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 ROHF/aug-cc-pVQZ
ABC
9.66007 1.30805 1.15205

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.510
N2 0.000 0.000 0.740
H3 0.000 0.930 -1.061
H4 0.000 -0.930 -1.061

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.24931.08141.0814
N21.24932.02662.0266
H31.08142.02661.8609
H41.08142.02661.8609

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 120.638 N2 C1 H4 120.638
H3 C1 H4 118.723
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.534      
2 N -0.320      
3 H 0.427      
4 H 0.427      


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 -2.455 2.455
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.940 0.000 0.000
y 0.000 -11.019 0.000
z 0.000 0.000 -13.075
Traceless
 xyz
x -0.893 0.000 0.000
y 0.000 1.988 0.000
z 0.000 0.000 -1.096
Polar
3z2-r2-2.191
x2-y2-1.921
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> 17.080
(<r2>)1/2 4.133