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

using model chemistry: B3PW91/6-31G

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 B3PW91/6-31G
 hartrees
Energy at 0K-62.620792
Energy at 298.15K-62.618320
HF Energy-62.620792
Nuclear repulsion energy10.492866
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 B3PW91/6-31G
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 1139 1091 26.44      

Unscaled Zero Point Vibrational Energy (zpe) 569.4 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 545.3 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 B3PW91/6-31G
B
1.28263

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.825
C2 0.000 0.000 0.688

Atom - Atom Distances (Å)
  B1 C2
B11.5130
C21.5130

picture of boron monocarbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.162      
2 C -0.162      


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 -1.187 1.187
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.266 0.000 0.000
y 0.000 -11.266 0.000
z 0.000 0.000 -14.271
Traceless
 xyz
x 1.502 0.000 0.000
y 0.000 1.502 0.000
z 0.000 0.000 -3.005
Polar
3z2-r2-6.009
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 2.185 0.000 0.000
y 0.000 2.185 0.000
z 0.000 0.000 6.915


<r2> (average value of r2) Å2
<r2> 13.905
(<r2>)1/2 3.729

State 2 (2Π)

Jump to S1C1
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-62.579177
Energy at 298.15K-62.576723
Nuclear repulsion energy11.064198
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 B3PW91/6-31G
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 1365 1307 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 682.4 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 653.6 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 B3PW91/6-31G
B
1.42611

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.783
C2 0.000 0.000 0.652

Atom - Atom Distances (Å)
  B1 C2
B11.4348
C21.4348

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