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

using model chemistry: BLYP/6-31G(2df,p)

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 BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-62.649730
Energy at 298.15K-62.647260
HF Energy-62.649730
Nuclear repulsion energy10.534339
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 BLYP/6-31G(2df,p)
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 1152 1146 3.78      

Unscaled Zero Point Vibrational Energy (zpe) 576.0 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 572.8 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 BLYP/6-31G(2df,p)
B
1.29279

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.822
C2 0.000 0.000 0.685

Atom - Atom Distances (Å)
  B1 C2
B11.5070
C21.5070

picture of boron monocarbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.056      
2 C -0.056      


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 -0.815 0.815
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.257 0.000 0.000
y 0.000 -11.257 0.000
z 0.000 0.000 -13.870
Traceless
 xyz
x 1.307 0.000 0.000
y 0.000 1.307 0.000
z 0.000 0.000 -2.613
Polar
3z2-r2-5.227
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 2.441 0.000 0.000
y 0.000 2.441 0.000
z 0.000 0.000 6.245


<r2> (average value of r2) Å2
<r2> 13.769
(<r2>)1/2 3.711

State 2 (2Π)

Jump to S1C1
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-62.637408
Energy at 298.15K-62.634939
Nuclear repulsion energy10.524025
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 BLYP/6-31G(2df,p)
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 1157 1150 1.05      

Unscaled Zero Point Vibrational Energy (zpe) 578.3 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 575.2 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 BLYP/6-31G(2df,p)
B
1.29026

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.823
C2 0.000 0.000 0.686

Atom - Atom Distances (Å)
  B1 C2
B11.5085
C21.5085

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