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

using model chemistry: PBEPBE/6-311G*

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 PBEPBE/6-311G*
 hartrees
Energy at 0K-62.585056
Energy at 298.15K-62.582587
HF Energy-62.585056
Nuclear repulsion energy10.585788
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 PBEPBE/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 1171 1159 11.85      

Unscaled Zero Point Vibrational Energy (zpe) 585.7 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 579.6 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 PBEPBE/6-311G*
B
1.30545

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.818
C2 0.000 0.000 0.682

Atom - Atom Distances (Å)
  B1 C2
B11.4997
C21.4997

picture of boron monocarbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.142      
2 C -0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.042 1.042
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.697 0.000 0.000
y 0.000 -11.697 0.000
z 0.000 0.000 -14.394
Traceless
 xyz
x 1.349 0.000 0.000
y 0.000 1.349 0.000
z 0.000 0.000 -2.697
Polar
3z2-r2-5.394
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.586 0.000 0.000
y 0.000 2.586 0.000
z 0.000 0.000 7.231


<r2> (average value of r2) Å2
<r2> 14.001
(<r2>)1/2 3.742

State 2 (2Π)

Jump to S1C1
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-62.571370
Energy at 298.15K-62.568902
Nuclear repulsion energy10.559414
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 PBEPBE/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 1175 1163 1.36      

Unscaled Zero Point Vibrational Energy (zpe) 587.7 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 581.6 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 PBEPBE/6-311G*
B
1.29895

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.820
C2 0.000 0.000 0.683

Atom - Atom Distances (Å)
  B1 C2
B11.5034
C21.5034

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