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

using model chemistry: B3LYP/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 B3LYP/6-311G**
 hartrees
Energy at 0K-62.681550
Energy at 298.15K-62.679084
HF Energy-62.681550
Nuclear repulsion energy10.681301
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 B3LYP/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 1190 1151 21.83      

Unscaled Zero Point Vibrational Energy (zpe) 595.0 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 575.3 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 B3LYP/6-311G**
B
1.32911

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.811
C2 0.000 0.000 0.676

Atom - Atom Distances (Å)
  B1 C2
B11.4863
C21.4863

picture of boron monocarbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.158      
2 C -0.158      


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 -1.171 1.171
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.682 0.000 0.000
y 0.000 -11.682 0.000
z 0.000 0.000 -14.437
Traceless
 xyz
x 1.378 0.000 0.000
y 0.000 1.378 0.000
z 0.000 0.000 -2.755
Polar
3z2-r2-5.510
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 2.540 0.000 0.000
y 0.000 2.540 0.000
z 0.000 0.000 7.428


<r2> (average value of r2) Å2
<r2> 13.895
(<r2>)1/2 3.728

State 2 (2Π)

Jump to S1C1
Energy calculated at B3LYP/6-311G**
 hartrees
Energy at 0K-62.642247
Energy at 298.15K-62.639794
Nuclear repulsion energy11.205160
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 B3LYP/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 1379 1333 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 689.3 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 666.4 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 B3LYP/6-311G**
B
1.46268

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.773
C2 0.000 0.000 0.644

Atom - Atom Distances (Å)
  B1 C2
B11.4168
C21.4168

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