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All results from a given calculation for C3 (carbon trimer)

using model chemistry: B2PLYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
1 2 no C2V 1A1

Conformer 1 (D*H)

Jump to S1C2
Energy calculated at B2PLYP/Def2TZVPP
 hartrees
Energy at 0K-113.992860
Energy at 298.15K 
HF Energy-113.853006
Nuclear repulsion energy36.824963
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σg 1214 1214 0.00      
2 Σu 2119 2119 683.52      
3 Πu 150 150 19.77      
3 Πu 150 150 19.77      

Unscaled Zero Point Vibrational Energy (zpe) 1816.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1816.1 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/Def2TZVPP
B
0.41994

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/Def2TZVPP

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.000 0.000 1.293
C3 0.000 0.000 -1.293

Atom - Atom Distances (Å)
  C1 C2 C3
C11.29331.2933
C21.29332.5866
C31.29332.5866

picture of carbon trimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C2 C1 C3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.238      
2 C -0.119      
3 C -0.119      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.623 0.000 0.000
y 0.000 -16.623 0.000
z 0.000 0.000 -23.119
Traceless
 xyz
x 3.248 0.000 0.000
y 0.000 3.248 0.000
z 0.000 0.000 -6.496
Polar
3z2-r2-12.992
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 3.346 0.000 0.000
y 0.000 3.346 0.000
z 0.000 0.000 7.459


<r2> (average value of r2) Å2
<r2> 31.807
(<r2>)1/2 5.640

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B2PLYP/Def2TZVPP
 hartrees
Energy at 0K-113.992860
Energy at 298.15K 
HF Energy-113.853007
Nuclear repulsion energy36.825375
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 1214 1214 0.00      
2 A1 149 149 19.77      
3 B2 2119 2119 683.54      

Unscaled Zero Point Vibrational Energy (zpe) 1741.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1741.4 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/Def2TZVPP
B
0.41995

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.001
C2 0.000 1.293 -0.000
C3 0.000 -1.293 -0.000

Atom - Atom Distances (Å)
  C1 C2 C3
C11.29331.2933
C21.29332.5866
C31.29332.5866

picture of carbon trimer state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C2 C1 C3 179.928
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.238      
2 C -0.119      
3 C -0.119      


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 0.002 0.002
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.623 0.000 0.000
y 0.000 -23.119 0.000
z 0.000 0.000 -16.623
Traceless
 xyz
x 3.248 0.000 0.000
y 0.000 -6.496 0.000
z 0.000 0.000 3.248
Polar
3z2-r26.496
x2-y26.496
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.346 0.000 0.000
y 0.000 7.458 0.000
z 0.000 0.000 3.346


<r2> (average value of r2) Å2
<r2> 31.806
(<r2>)1/2 5.640