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 BeCl (beryllium monochloride)

using model chemistry: CCD/6-311G*

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 CCD/6-311G*
 hartrees
Energy at 0K-474.349992
Energy at 298.15K-474.349094
HF Energy-474.179554
Nuclear repulsion energy19.971818
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 CCD/6-311G*
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 863 824 144.58      

Unscaled Zero Point Vibrational Energy (zpe) 431.5 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 412.1 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 CCD/6-311G*
B
0.72471

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -1.459
Cl2 0.000 0.000 0.343

Atom - Atom Distances (Å)
  Be1 Cl2
Be11.8017
Cl21.8017

picture of beryllium monochloride state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability