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

using model chemistry: ROHF/aug-cc-pVDZ

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 ROHF/aug-cc-pVDZ
 hartrees
Energy at 0K-52.265085
Energy at 298.15K-52.262699
HF Energy-52.265085
Nuclear repulsion energy7.270875
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 ROHF/aug-cc-pVDZ
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 550 550 261.41      

Unscaled Zero Point Vibrational Energy (zpe) 274.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 274.8 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 ROHF/aug-cc-pVDZ
B
1.07351

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -1.048
C2 0.000 0.000 0.699

Atom - Atom Distances (Å)
  Be1 C2
Be11.7467
C21.7467

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 ROHF/aug-cc-pVDZ
 hartrees
Energy at 0K-52.341700
Energy at 298.15K-52.339491
HF Energy-52.341700
Nuclear repulsion energy7.781594
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 ROHF/aug-cc-pVDZ
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 1028 1028 135.20      

Unscaled Zero Point Vibrational Energy (zpe) 513.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 513.8 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 ROHF/aug-cc-pVDZ
B
1.22961

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.979
C2 0.000 0.000 0.653

Atom - Atom Distances (Å)
  Be1 C2
Be11.6321
C21.6321

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