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All results from a given calculation for NaBe (Sodium Beryllium)

using model chemistry: ROMP2/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Σ
Energy calculated at ROMP2/6-31+G**
 hartrees
Energy at 0K-176.438194
Energy at 298.15K-176.437302
HF Energy-176.408958
Nuclear repulsion energy7.003348
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 ROMP2/6-31+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 Σ 79 79        

Unscaled Zero Point Vibrational Energy (zpe) 39.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 39.5 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 ROMP2/6-31+G**
B
0.23553

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROMP2/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 0.887
Be2 0.000 0.000 -2.438

Atom - Atom Distances (Å)
  Na1 Be2
Na13.3250
Be23.3250

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