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

using model chemistry: B1B95/3-21G

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 B1B95/3-21G
 hartrees
Energy at 0K-62.282892
Energy at 298.15K-62.280417
HF Energy-62.282892
Nuclear repulsion energy10.461400
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 B1B95/3-21G
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 1113 1065 14.10      

Unscaled Zero Point Vibrational Energy (zpe) 556.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 532.5 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 B1B95/3-21G
B
1.27495

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.828
C2 0.000 0.000 0.690

Atom - Atom Distances (Å)
  B1 C2
B11.5175
C21.5175

picture of boron monocarbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.284      
2 C -0.284      


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 -0.808 0.808
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.696 0.000 0.000
y 0.000 -11.696 0.000
z 0.000 0.000 -14.669
Traceless
 xyz
x 1.487 0.000 0.000
y 0.000 1.487 0.000
z 0.000 0.000 -2.974
Polar
3z2-r2-5.947
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 2.226 0.000 0.000
y 0.000 2.226 0.000
z 0.000 0.000 6.605


<r2> (average value of r2) Å2
<r2> 14.204
(<r2>)1/2 3.769

State 2 (2Π)

Jump to S1C1
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-62.244695
Energy at 298.15K-62.242241
Nuclear repulsion energy11.082719
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 B1B95/3-21G
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 1364 1305 0.88      

Unscaled Zero Point Vibrational Energy (zpe) 682.1 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 652.5 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 B1B95/3-21G
B
1.43089

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.781
C2 0.000 0.000 0.651

Atom - Atom Distances (Å)
  B1 C2
B11.4324
C21.4324

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