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: HF/Def2TZVPP

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 HF/Def2TZVPP
 hartrees
Energy at 0K-2113.092711
Energy at 298.15K 
HF Energy-2113.092711
Nuclear repulsion energy54.234532
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 HF/Def2TZVPP
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 675 612 49.30 3.14 0.22 0.36

Unscaled Zero Point Vibrational Energy (zpe) 337.6 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 306.0 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 HF/Def2TZVPP
B
0.46526

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ge1 0.000 0.000 0.296
C2 0.000 0.000 -1.578

Atom - Atom Distances (Å)
  Ge1 C2
Ge11.8734
C21.8734

picture of Germanium monocarbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ge 0.235      
2 C -0.235      


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 1.048 1.048
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.027 0.000 0.000
y 0.000 -25.715 0.000
z 0.000 0.000 -25.589
Traceless
 xyz
x 4.625 0.000 0.000
y 0.000 -2.407 0.000
z 0.000 0.000 -2.218
Polar
3z2-r2-4.435
x2-y24.688
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.664 0.000 0.000
y 0.000 5.223 0.000
z 0.000 0.000 8.238


<r2> (average value of r2) Å2
<r2> 32.791
(<r2>)1/2 5.726

State 2 (1Σ)

Jump to S1C1
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-2112.978341
Energy at 298.15K-2112.977140
HF Energy-2112.978341
Nuclear repulsion energy59.329593
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 HF/Def2TZVPP
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 949 860 49.63      

Unscaled Zero Point Vibrational Energy (zpe) 474.5 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 430.1 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 HF/Def2TZVPP
B
0.55678

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

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 -1.432

Atom - Atom Distances (Å)
  Ge1 C2
Ge11.7010
C21.7010

picture of Germanium monocarbide state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ge 0.271      
2 C -0.271      


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 2.402 2.402
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.663 0.000 0.000
y 0.000 -24.663 0.000
z 0.000 0.000 -20.850
Traceless
 xyz
x -1.907 0.000 0.000
y 0.000 -1.907 0.000
z 0.000 0.000 3.813
Polar
3z2-r27.626
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 1.163 0.000 0.000
y 0.000 1.163 0.000
z 0.000 0.000 8.709


<r2> (average value of r2) Å2
<r2> 29.428
(<r2>)1/2 5.425