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All results from a given calculation for CO (Carbon monoxide)

using model chemistry: B2PLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-113.284048
Energy at 298.15K-113.282796
HF Energy-113.165547
Nuclear repulsion energy22.449683
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 B2PLYP/cc-pVTZ
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 2160 2072 55.49      

Unscaled Zero Point Vibrational Energy (zpe) 1080.0 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 1036.2 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 B2PLYP/cc-pVTZ
B
1.92065

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.647
O2 0.000 0.000 0.486

Atom - Atom Distances (Å)
  C1 O2
C11.1329
O21.1329

picture of Carbon monoxide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.038      
2 O 0.038      


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 0.173 0.173
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.216 0.000 0.000
y 0.000 -10.216 0.000
z 0.000 0.000 -12.229
Traceless
 xyz
x 1.006 0.000 0.000
y 0.000 1.006 0.000
z 0.000 0.000 -2.012
Polar
3z2-r2-4.025
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.496 0.000 0.000
y 0.000 1.496 0.000
z 0.000 0.000 2.078


<r2> (average value of r2) Å2
<r2> 11.189
(<r2>)1/2 3.345