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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-168.530527
Energy at 298.15K-168.531381
HF Energy-168.530527
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3613 3542 99.02      
2 A' 2310 2265 95.28      
3 A' 1231 1207 100.67      
4 A' 1069 1048 63.76      
5 A' 419 411 13.83      
6 A" 474 465 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 4558.0 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 4468.7 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 B97D3/6-31G*
ABC
21.82550 0.34633 0.34092

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.026 1.353 0.000
C2 0.000 0.178 0.000
O3 -0.119 -1.126 0.000
H4 0.768 -1.536 0.000

Atom - Atom Distances (Å)
  N1 C2 O3 H4
N11.17542.48352.9835
C21.17541.30961.8789
O32.48351.30960.9779
H42.98351.87890.9779

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 173.044 C2 O3 H4 110.642
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.389      
2 C 0.466      
3 O -0.527      
4 H 0.450      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.584 -3.541 0.000 3.879
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.753 -2.984 0.000
y -2.984 -17.918 0.000
z 0.000 0.000 -16.433
Traceless
 xyz
x 2.422 -2.984 0.000
y -2.984 -2.325 0.000
z 0.000 0.000 -0.097
Polar
3z2-r2-0.194
x2-y23.165
xy-2.984
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.704 -0.141 0.000
y -0.141 4.243 0.000
z 0.000 0.000 1.418


<r2> (average value of r2) Å2
<r2> 36.446
(<r2>)1/2 6.037