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All results from a given calculation for BeC (Beryllium Carbide)

using model chemistry: LSDA/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 3Σ-
2 1 yes C*V 5Σ

State 1 (3Σ-)

Jump to S2C1
Energy calculated at LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-52.202126
Energy at 298.15K-52.199901
HF Energy-52.202126
Nuclear repulsion energy7.656279
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 LSDA/6-31G(2df,p)
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 951 936 15.79      

Unscaled Zero Point Vibrational Energy (zpe) 475.5 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 467.9 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 LSDA/6-31G(2df,p)
B
1.19033

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.995
C2 0.000 0.000 0.664

Atom - Atom Distances (Å)
  Be1 C2
Be11.6588
C21.6588

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

State 2 (5Σ)

Jump to S1C1
Energy calculated at LSDA/6-31G(2df,p)
 hartrees
Energy at 0K-52.189971
Energy at 298.15K-52.187754
HF Energy-52.189971
Nuclear repulsion energy7.797726
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 LSDA/6-31G(2df,p)
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 989 973 67.33      

Unscaled Zero Point Vibrational Energy (zpe) 494.5 cm-1
Scaled (by 0.984) Zero Point Vibrational Energy (zpe) 486.6 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 LSDA/6-31G(2df,p)
B
1.23472

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.977
C2 0.000 0.000 0.651

Atom - Atom Distances (Å)
  Be1 C2
Be11.6287
C21.6287

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