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

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-168.625777
Energy at 298.15K-168.626728
HF Energy-168.625777
Nuclear repulsion energy58.451993
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 wB97X-D/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' 3860 3692 166.08      
2 A' 2430 2325 134.51      
3 A' 1256 1201 102.35      
4 A' 1129 1080 72.42      
5 A' 462 442 16.76      
6 A" 523 500 5.55      

Unscaled Zero Point Vibrational Energy (zpe) 4829.7 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 4619.6 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 wB97X-D/6-311G**
ABC
22.51980 0.35779 0.35219

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.048 1.328 0.000
C2 0.000 0.179 0.000
O3 -0.061 -1.111 0.000
H4 0.826 -1.484 0.000

Atom - Atom Distances (Å)
  N1 C2 O3 H4
N11.15062.43922.9454
C21.15061.29101.8568
O32.43921.29100.9618
H42.94541.85680.9618

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 174.887 C2 O3 H4 110.158
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.310      
2 C 0.296      
3 O -0.292      
4 H 0.305      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.393 -3.728 0.000 3.979
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.243 -3.218 0.000
y -3.218 -18.221 0.000
z 0.000 0.000 -16.553
Traceless
 xyz
x 2.144 -3.218 0.000
y -3.218 -2.323 0.000
z 0.000 0.000 0.179
Polar
3z2-r20.358
x2-y22.978
xy-3.218
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.791 0.021 0.000
y 0.021 4.073 0.000
z 0.000 0.000 1.553


<r2> (average value of r2) Å2
<r2> 35.798
(<r2>)1/2 5.983