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

using model chemistry: B3LYP/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 B3LYP/6-31G
 hartrees
Energy at 0K-114.015612
Energy at 298.15K 
HF Energy-114.015612
Nuclear repulsion energy36.507495
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 B3LYP/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 1222 1176 0.00      
2 Σu 2152 2070 732.34      
3 Πu 219 211 7.69      
3 Πu 219 211 7.69      

Unscaled Zero Point Vibrational Energy (zpe) 1906.2 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 1833.7 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 B3LYP/6-31G
B
0.41273

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/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 1.305
C3 0.000 0.000 -1.305

Atom - Atom Distances (Å)
  C1 C2 C3
C11.30461.3046
C21.30462.6091
C31.30462.6091

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 B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.220      
2 C 0.110      
3 C 0.110      


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 -15.851 0.000 0.000
y 0.000 -15.851 0.000
z 0.000 0.000 -22.367
Traceless
 xyz
x 3.258 0.000 0.000
y 0.000 3.258 0.000
z 0.000 0.000 -6.516
Polar
3z2-r2-13.033
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 2.373 0.000 0.000
y 0.000 2.373 0.000
z 0.000 0.000 6.543


<r2> (average value of r2) Å2
<r2> 31.679
(<r2>)1/2 5.628

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at B3LYP/6-31G
 hartrees
Energy at 0K-114.015612
Energy at 298.15K 
HF Energy-114.015612
Nuclear repulsion energy36.506213
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 B3LYP/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 1222 1176 0.00      
2 A1 219 211 7.68      
3 B2 2152 2070 732.31      

Unscaled Zero Point Vibrational Energy (zpe) 1796.6 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 1728.3 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 B3LYP/6-31G
B
0.41270

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/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 1.305 -0.000
C3 0.000 -1.305 -0.000

Atom - Atom Distances (Å)
  C1 C2 C3
C11.30461.3046
C21.30462.6092
C31.30462.6092

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 179.958
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.220      
2 C 0.110      
3 C 0.110      


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 -15.851 0.000 0.000
y 0.000 -22.367 0.000
z 0.000 0.000 -15.851
Traceless
 xyz
x 3.258 0.000 0.000
y 0.000 -6.516 0.000
z 0.000 0.000 3.258
Polar
3z2-r26.516
x2-y26.516
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.373 0.000 0.000
y 0.000 6.544 0.000
z 0.000 0.000 2.373


<r2> (average value of r2) Å2
<r2> 31.681
(<r2>)1/2 5.629