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All results from a given calculation for BC (boron monocarbide)

using model chemistry: CCD/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 4Σ-
2 1 yes C*V 2Π

State 1 (4Σ-)

Jump to S2C1
Energy calculated at CCD/3-21G
 hartrees
Energy at 0K-62.065512
Energy at 298.15K-62.063022
HF Energy-61.967528
Nuclear repulsion energy10.060538
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/3-21G
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 1010 982 41.38      

Unscaled Zero Point Vibrational Energy (zpe) 505.1 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 491.1 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/3-21G
B
1.17912

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.861
C2 0.000 0.000 0.717

Atom - Atom Distances (Å)
  B1 C2
B11.5780
C21.5780

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

State 2 (2Π)

Jump to S1C1
Energy calculated at CCD/3-21G
 hartrees
Energy at 0K-62.042485
Energy at 298.15K-62.040045
Nuclear repulsion energy11.303106
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/3-21G
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 2222 2161 1165.25      

Unscaled Zero Point Vibrational Energy (zpe) 1111.2 cm-1
Scaled (by 0.9723) Zero Point Vibrational Energy (zpe) 1080.4 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/3-21G
B
1.48837

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.766
C2 0.000 0.000 0.638

Atom - Atom Distances (Å)
  B1 C2
B11.4045
C21.4045

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