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

using model chemistry: wB97X-D/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-168.586727
Energy at 298.15K-168.587656
HF Energy-168.586727
Nuclear repulsion energy58.129402
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/cc-pVDZ
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' 3867 3684 176.99      
2 A' 2420 2305 148.50      
3 A' 1231 1172 96.34      
4 A' 1129 1076 81.47      
5 A' 450 428 16.73      
6 A" 511 486 3.42      

Unscaled Zero Point Vibrational Energy (zpe) 4803.9 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 4576.2 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/cc-pVDZ
ABC
22.70962 0.35367 0.34825

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -0.119 1.332 0.000
C2 0.000 0.180 0.000
O3 -0.007 -1.117 0.000
H4 0.891 -1.471 0.000

Atom - Atom Distances (Å)
  N1 C2 O3 H4
N11.15912.45172.9799
C21.15911.29621.8756
O32.45171.29620.9653
H42.97991.87560.9653

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 173.791 C2 O3 H4 111.226
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.325      
2 C 0.462      
3 O -0.539      
4 H 0.402      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.540 -3.730 0.000 4.035
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.384 -3.284 0.000
y -3.284 -18.701 0.000
z 0.000 0.000 -16.963
Traceless
 xyz
x 2.448 -3.284 0.000
y -3.284 -2.528 0.000
z 0.000 0.000 0.080
Polar
3z2-r20.159
x2-y23.317
xy-3.284
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.030 0.004 0.000
y 0.004 4.639 0.000
z 0.000 0.000 1.889


<r2> (average value of r2) Å2
<r2> 36.313
(<r2>)1/2 6.026