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All results from a given calculation for Ge2 (Germanium diatomic)

using model chemistry: QCISD/cc-pVTZ

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 QCISD/cc-pVTZ
 hartrees
Energy at 0K-4151.084535
Energy at 298.15K-4151.084312
HF Energy-4150.771488
Nuclear repulsion energy229.394870
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 QCISD/cc-pVTZ
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 304 290 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 151.8 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 145.0 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 QCISD/cc-pVTZ
B
0.08174

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVTZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ge1 0.000 0.000 1.181
Ge2 0.000 0.000 -1.181

Atom - Atom Distances (Å)
  Ge1 Ge2
Ge12.3622
Ge22.3622

picture of Germanium diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

State 2 (1Σg)

Jump to S1C1
Energy calculated at QCISD/cc-pVTZ
 hartrees
Energy at 0K-4151.062174
Energy at 298.15K-4151.061926
HF Energy-4150.730544
Nuclear repulsion energy225.873422
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 QCISD/cc-pVTZ
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 284 271 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 142.0 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 135.7 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 QCISD/cc-pVTZ
B
0.07925

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVTZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ge1 0.000 0.000 1.200
Ge2 0.000 0.000 -1.200

Atom - Atom Distances (Å)
  Ge1 Ge2
Ge12.3990
Ge22.3990

picture of Germanium diatomic state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability