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All results from a given calculation for HOCN (cyanic acid)

using model chemistry: LSDA/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-311G*
 hartrees
Energy at 0K-167.789556
Energy at 298.15K-167.790482
Nuclear repulsion energy58.315368
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 LSDA/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3636 3576 123.58      
2 A' 2364 2326 119.81      
3 A' 1184 1164 91.55      
4 A' 1125 1106 103.71      
5 A' 452 445 18.02      
6 A" 516 507 2.39      

Unscaled Zero Point Vibrational Energy (zpe) 4637.9 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 4562.3 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 LSDA/6-311G*
ABC
22.65023 0.35685 0.35131

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.056 1.334 0.000
C2 0.000 0.174 0.000
O3 -0.140 -1.102 0.000
H4 0.721 -1.565 0.000

Atom - Atom Distances (Å)
  N1 C2 O3 H4
N11.16142.44382.9741
C21.16141.28361.8826
O32.44381.28360.9775
H42.97411.88260.9775

picture of cyanic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 176.543 C2 O3 H4 112.023
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.291      
2 C 0.280      
3 O -0.446      
4 H 0.457      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.641 -3.842 0.000 4.177
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.234 -3.313 0.000
y -3.313 -18.078 0.000
z 0.000 0.000 -16.777
Traceless
 xyz
x 2.193 -3.313 0.000
y -3.313 -2.073 0.000
z 0.000 0.000 -0.120
Polar
3z2-r2-0.241
x2-y22.844
xy-3.313
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.792 -0.075 0.000
y -0.075 4.256 0.000
z 0.000 0.000 1.551


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000