return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for GeC (Germanium monocarbide)

using model chemistry: LSDA/6-31G**

19 10 17 12 22

States and conformations

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

State 1 (3Π)

Jump to S2C1
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-2110.148596
Energy at 298.15K 
HF Energy-2110.148596
Nuclear repulsion energy56.737210
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 LSDA/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 Σ 858 842 6.98      

Unscaled Zero Point Vibrational Energy (zpe) 429.2 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 421.2 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 LSDA/6-31G**
B
0.50919

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ge1 0.000 0.000 0.283
C2 0.000 0.000 -1.508

Atom - Atom Distances (Å)
  Ge1 C2
Ge11.7907
C21.7907

picture of Germanium monocarbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ge 0.067      
2 C -0.067      


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 1.479 1.479
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.113 0.000 0.000
y 0.000 -24.466 0.000
z 0.000 0.000 -24.027
Traceless
 xyz
x 3.133 0.000 0.000
y 0.000 -1.895 0.000
z 0.000 0.000 -1.238
Polar
3z2-r2-2.475
x2-y23.352
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.690 0.000 0.000
y 0.000 5.533 0.000
z 0.000 0.000 7.626


<r2> (average value of r2) Å2
<r2> 30.694
(<r2>)1/2 5.540

State 2 (1Σ)

Jump to S1C1
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-2110.120027
Energy at 298.15K-2110.118830
HF Energy-2110.120027
Nuclear repulsion energy59.680201
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 LSDA/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 Σ 975 957 1.81      

Unscaled Zero Point Vibrational Energy (zpe) 487.7 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 478.5 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 LSDA/6-31G**
B
0.56338

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ge1 0.000 0.000 0.269
C2 0.000 0.000 -1.434

Atom - Atom Distances (Å)
  Ge1 C2
Ge11.7024
C21.7024

picture of Germanium monocarbide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ge 0.040      
2 C -0.040      


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 1.942 1.942
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.909 0.000 0.000
y 0.000 -23.909 0.000
z 0.000 0.000 -19.862
Traceless
 xyz
x -2.024 0.000 0.000
y 0.000 -2.024 0.000
z 0.000 0.000 4.047
Polar
3z2-r28.094
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 3.690 0.000 0.000
y 0.000 5.533 0.000
z 0.000 0.000 7.626


<r2> (average value of r2) Å2
<r2> 28.735
(<r2>)1/2 5.360