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

using model chemistry: HSEh1PBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B2
Energy calculated at HSEh1PBE/TZVP
 hartrees
Energy at 0K-93.908340
Energy at 298.15K-93.909707
HF Energy-93.908340
Nuclear repulsion energy27.658840
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 HSEh1PBE/TZVP
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 2991 2872 0.01      
2 A1 1747 1677 0.78      
3 A1 1383 1328 16.61      
4 B1 1005 965 40.08      
5 B2 3055 2933 9.73      
6 B2 940 902 5.37      

Unscaled Zero Point Vibrational Energy (zpe) 5560.4 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 5338.6 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 HSEh1PBE/TZVP
ABC
9.52140 1.32035 1.15955

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.501
N2 0.000 0.000 0.736
H3 0.000 0.937 -1.074
H4 0.000 -0.937 -1.074

Atom - Atom Distances (Å)
  C1 N2 H3 H4
C11.23731.09861.0986
N21.23732.03872.0387
H31.09862.03871.8744
H41.09862.03871.8744

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 121.452 N2 C1 H4 121.452
H3 C1 H4 117.097
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.175      
2 N -0.110      
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 -2.498 2.498
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.839 0.000 0.000
y 0.000 -10.985 0.000
z 0.000 0.000 -12.986
Traceless
 xyz
x -0.853 0.000 0.000
y 0.000 1.927 0.000
z 0.000 0.000 -1.074
Polar
3z2-r2-2.147
x2-y2-1.853
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.669 0.000 0.000
y 0.000 2.333 0.000
z 0.000 0.000 3.657


<r2> (average value of r2) Å2
<r2> 17.029
(<r2>)1/2 4.127