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All results from a given calculation for NCO (isocyanato radical)

using model chemistry: LSDA/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Π
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-167.101603
Energy at 298.15K-167.101456
HF Energy-167.101603
Nuclear repulsion energy51.660423
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/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 2051 2020 55.10      
2 Σ 1285 1266 10.63      
3 Π 548 540 9.57      
3 Π 456 449 35.20      

Unscaled Zero Point Vibrational Energy (zpe) 2169.5 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 2137.0 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/6-31+G**
B
0.38526

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.273
C2 0.000 0.000 -0.043
O3 0.000 0.000 1.147

Atom - Atom Distances (Å)
  N1 C2 O3
N11.22992.4200
C21.22991.1901
O32.42001.1901

picture of isocyanato radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.241      
2 C 0.545      
3 O -0.304      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.730 0.730
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.789 0.000 0.000
y 0.000 -16.169 0.000
z 0.000 0.000 -20.385
Traceless
 xyz
x 3.488 0.000 0.000
y 0.000 1.418 0.000
z 0.000 0.000 -4.906
Polar
3z2-r2-9.813
x2-y21.380
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.742 0.000 0.000
y 0.000 1.730 0.000
z 0.000 0.000 4.967


<r2> (average value of r2) Å2
<r2> 32.568
(<r2>)1/2 5.707