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All results from a given calculation for CCO (Dicarbon monoxide)

using model chemistry: TPSSh/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Σ
2 1 yes C*V 1Π

State 1 (3Σ)

Jump to S2C1
Energy calculated at TPSSh/aug-cc-pVDZ
 hartrees
Energy at 0K-151.292847
Energy at 298.15K-151.291151
HF Energy-151.292847
Nuclear repulsion energy45.508350
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 TPSSh/aug-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 Σ 2015 1949 144.62      
2 Σ 1076 1040 22.41      
3 Π 346 335 35.17      
3 Π 346 335 35.17      

Unscaled Zero Point Vibrational Energy (zpe) 1891.4 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 1829.5 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 TPSSh/aug-cc-pVDZ
B
0.37853

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.432
C2 0.000 0.000 -0.055
O3 0.000 0.000 1.115

Atom - Atom Distances (Å)
  C1 C2 O3
C11.37632.5471
C21.37631.1708
O32.54711.1708

picture of Dicarbon monoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.235      
2 C 0.378      
3 O -0.144      


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 1.275 1.275
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.071 0.000 0.000
y 0.000 3.071 0.000
z 0.000 0.000 5.921


<r2> (average value of r2) Å2
<r2> 33.553
(<r2>)1/2 5.792

State 2 (1Π)

Jump to S1C1
Energy calculated at TPSSh/aug-cc-pVDZ
 hartrees
Energy at 0K-151.246793
Energy at 298.15K-151.245096
HF Energy-151.246793
Nuclear repulsion energy45.372076
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 TPSSh/aug-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 Σ 1999 1934 88.57      
2 Σ 1086 1050 38.67      
3 Π 457 442 0.95      
3 Π 256 247 56.57      

Unscaled Zero Point Vibrational Energy (zpe) 1898.7 cm-1
Scaled (by 0.9673) Zero Point Vibrational Energy (zpe) 1836.6 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 TPSSh/aug-cc-pVDZ
B
0.37689

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.433
C2 0.000 0.000 -0.059
O3 0.000 0.000 1.119

Atom - Atom Distances (Å)
  C1 C2 O3
C11.37432.5525
C21.37431.1782
O32.55251.1782

picture of Dicarbon monoxide state 2 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.174      
2 C 0.326      
3 O -0.152      


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 0.626 0.626
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.032 0.000 0.000
y 0.000 2.838 0.000
z 0.000 0.000 5.874


<r2> (average value of r2) Å2
<r2> 33.658
(<r2>)1/2 5.802