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All results from a given calculation for INO (Nitrosyl iodide)

using model chemistry: HF/CEP-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 HF/CEP-31G
 hartrees
Energy at 0K-36.401671
Energy at 298.15K-36.400497
HF Energy-36.401671
Nuclear repulsion energy29.191357
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 HF/CEP-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' 1811 1632 1449.03      
2 A' 563 508 116.79      
3 A' 283 255 54.30      

Unscaled Zero Point Vibrational Energy (zpe) 1328.3 cm-1
Scaled (by 0.9014) Zero Point Vibrational Energy (zpe) 1197.3 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 HF/CEP-31G
ABC
2.74272 0.10069 0.09712

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.490 -1.630 0.000
O2 -0.429 -2.365 0.000
I3 0.000 0.572 0.000

Atom - Atom Distances (Å)
  N1 O2 I3
N11.17662.2558
O21.17662.9680
I32.25582.9680

picture of Nitrosyl iodide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 N1 I3 116.108
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.127      
2 O 0.013      
3 I 0.114      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.048 0.035 0.000 0.059
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.071 -1.010 0.000
y -1.010 -31.366 0.000
z 0.000 0.000 -30.887
Traceless
 xyz
x -1.944 -1.010 0.000
y -1.010 0.613 0.000
z 0.000 0.000 1.331
Polar
3z2-r22.663
x2-y2-1.705
xy-1.010
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.880 -0.384 0.000
y -0.384 11.552 0.000
z 0.000 0.000 1.016


<r2> (average value of r2) Å2
<r2> 71.271
(<r2>)1/2 8.442