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

using model chemistry: HF/aug-cc-pVDZ

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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-167.154968
Energy at 298.15K-167.154992
HF Energy-167.154968
Nuclear repulsion energy52.755277
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 1992 1814 49.16      
2 Σ 1390 1266 1.84      
3 Π 666 607 28.42      
3 Π 579 527 49.57      

Unscaled Zero Point Vibrational Energy (zpe) 2313.6 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 2106.7 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 HF/aug-cc-pVDZ
B
0.40118

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 -1.251
C2 0.000 0.000 -0.034
O3 0.000 0.000 1.120

Atom - Atom Distances (Å)
  N1 C2 O3
N11.21752.3718
C21.21751.1542
O32.37181.1542

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 HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.298      
2 C 0.542      
3 O -0.244      


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 0.792 0.792
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.670 0.000 0.000
y 0.000 -16.116 0.000
z 0.000 0.000 -20.760
Traceless
 xyz
x 3.767 0.000 0.000
y 0.000 1.599 0.000
z 0.000 0.000 -5.367
Polar
3z2-r2-10.733
x2-y21.445
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.126 0.000 0.000
y 0.000 2.060 0.000
z 0.000 0.000 4.775


<r2> (average value of r2) Å2
<r2> 31.742
(<r2>)1/2 5.634