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 Ge2 (Germanium diatomic)

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 3Σg
2 1 yes D*H 1Σg

State 1 (3Σg)

Jump to S2C1
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-4150.437627
Energy at 298.15K-4150.437428
HF Energy-4150.437627
Nuclear repulsion energy241.265527
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 B1B95/6-31+G**
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 327 313 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 163.3 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 156.2 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 B1B95/6-31+G**
B
0.09042

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ge1 0.000 0.000 1.123
Ge2 0.000 0.000 -1.123

Atom - Atom Distances (Å)
  Ge1 Ge2
Ge12.2460
Ge22.2460

picture of Germanium diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ge 0.000      
2 Ge 0.000      


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 -38.864 0.000 0.000
y 0.000 -33.798 0.000
z 0.000 0.000 -32.224
Traceless
 xyz
x -5.853 0.000 0.000
y 0.000 1.747 0.000
z 0.000 0.000 4.107
Polar
3z2-r28.213
x2-y2-5.067
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x -0.808 0.000 0.000
y 0.000 6.434 0.000
z 0.000 0.000 16.494


<r2> (average value of r2) Å2
<r2> 102.548
(<r2>)1/2 10.127

State 2 (1Σg)

Jump to S1C1
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-4150.416637
Energy at 298.15K-4150.416391
HF Energy-4150.416637
Nuclear repulsion energy226.729361
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 B1B95/6-31+G**
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 287 275 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 143.5 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 137.3 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 B1B95/6-31+G**
B
0.07985

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ge1 0.000 0.000 1.195
Ge2 0.000 0.000 -1.195

Atom - Atom Distances (Å)
  Ge1 Ge2
Ge12.3900
Ge22.3900

picture of Germanium diatomic state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ge 0.000      
2 Ge 0.000      


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 -39.727 0.000 0.000
y 0.000 -29.659 0.000
z 0.000 0.000 -40.822
Traceless
 xyz
x -4.486 0.000 0.000
y 0.000 10.616 0.000
z 0.000 0.000 -6.129
Polar
3z2-r2-12.258
x2-y2-10.068
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.970 0.000 0.000
y 0.000 9.880 0.000
z 0.000 0.000 19.133


<r2> (average value of r2) Å2
<r2> 114.336
(<r2>)1/2 10.693