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All results from a given calculation for HNC (hydrogen isocyanide)

using model chemistry: B3LYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-93.438656
Energy at 298.15K-93.438450
Nuclear repulsion energy24.271343
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 B3LYP/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 3809 3682 245.44      
2 Σ 2107 2036 59.84      
3 Π 471 456 132.89      
3 Π 471 455 135.12      

Unscaled Zero Point Vibrational Energy (zpe) 3428.8 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 3314.3 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 B3LYP/cc-pVTZ
B
1.52600

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.737
N2 0.000 0.000 0.428
H3 0.000 0.000 1.424

Atom - Atom Distances (Å)
  C1 N2 H3
C11.16462.1610
N21.16460.9965
H32.16100.9965

picture of hydrogen isocyanide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.192      
2 N -0.043      
3 H 0.235      


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 3.066 3.066
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.907 0.000 0.000
y 0.000 -11.907 0.000
z 0.000 0.000 -10.378
Traceless
 xyz
x -0.764 0.000 0.000
y 0.000 -0.764 0.000
z 0.000 0.000 1.529
Polar
3z2-r23.058
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.800 0.000 -0.019
y 0.000 1.755 0.003
z -0.019 0.003 3.211


<r2> (average value of r2) Å2
<r2> 13.685
(<r2>)1/2 3.699