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

using model chemistry: wB97X-D/6-31G

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 wB97X-D/6-31G
 hartrees
Energy at 0K-113.960495
Energy at 298.15K 
HF Energy-113.960495
Nuclear repulsion energy36.629576
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 wB97X-D/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 1247 1247 0.00      
2 Σu 2183 2183 840.94      
3 Πu 219 219 4.11      
3 Πu 219 219 4.11      

Unscaled Zero Point Vibrational Energy (zpe) 1933.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1933.1 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 wB97X-D/6-31G
B
0.41549

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G

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 1.300
C3 0.000 0.000 -1.300

Atom - Atom Distances (Å)
  C1 C2 C3
C11.30021.3002
C21.30022.6004
C31.30022.6004

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 wB97X-D/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.271      
2 C 0.136      
3 C 0.136      


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 -15.918 0.000 0.000
y 0.000 -15.918 0.000
z 0.000 0.000 -22.046
Traceless
 xyz
x 3.064 0.000 0.000
y 0.000 3.064 0.000
z 0.000 0.000 -6.127
Polar
3z2-r2-12.255
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 2.384 0.000 0.000
y 0.000 2.384 0.000
z 0.000 0.000 6.680


<r2> (average value of r2) Å2
<r2> 31.504
(<r2>)1/2 5.613

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at wB97X-D/6-31G
 hartrees
Energy at 0K-113.960495
Energy at 298.15K 
HF Energy-113.960495
Nuclear repulsion energy36.628472
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 wB97X-D/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 1247 1247 0.00      
2 A1 219 219 4.11      
3 B2 2182 2182 840.92      

Unscaled Zero Point Vibrational Energy (zpe) 1823.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1823.9 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 wB97X-D/6-31G
B
0.41547

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.000 1.300 -0.000
C3 0.000 -1.300 -0.000

Atom - Atom Distances (Å)
  C1 C2 C3
C11.30021.3002
C21.30022.6005
C31.30022.6005

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 179.951
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.271      
2 C 0.136      
3 C 0.136      


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 0.001 0.001
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -15.919 0.000 0.000
y 0.000 -22.046 0.000
z 0.000 0.000 -15.919
Traceless
 xyz
x 3.063 0.000 0.000
y 0.000 -6.127 0.000
z 0.000 0.000 3.063
Polar
3z2-r26.127
x2-y26.127
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.384 0.000 0.000
y 0.000 6.680 0.000
z 0.000 0.000 2.384


<r2> (average value of r2) Å2
<r2> 31.506
(<r2>)1/2 5.613