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

using model chemistry: HF/6-31+G**

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 HF/6-31+G**
 hartrees
Energy at 0K-62.323205
Energy at 298.15K-62.320755
HF Energy-62.323205
Nuclear repulsion energy11.074265
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 HF/6-31+G**
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 1450 1311 0.95      

Unscaled Zero Point Vibrational Energy (zpe) 725.0 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 655.5 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 HF/6-31+G**
B
1.42871

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.782
C2 0.000 0.000 0.652

Atom - Atom Distances (Å)
  B1 C2
B11.4335
C21.4335

picture of boron monocarbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.252      
2 C -0.252      


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 -2.563 2.563
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.738 0.000 0.000
y 0.000 -11.738 0.000
z 0.000 0.000 -14.721
Traceless
 xyz
x 1.491 0.000 0.000
y 0.000 1.491 0.000
z 0.000 0.000 -2.983
Polar
3z2-r2-5.966
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 2.972 0.000 0.000
y 0.000 2.972 0.000
z 0.000 0.000 5.408


<r2> (average value of r2) Å2
<r2> 13.557
(<r2>)1/2 3.682

State 2 (2Π)

Jump to S1C1
Energy calculated at HF/6-31+G**
 hartrees
Energy at 0K-62.216174
Energy at 298.15K-62.213676
Nuclear repulsion energy11.042134
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 HF/6-31+G**
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 970 877 96.71      

Unscaled Zero Point Vibrational Energy (zpe) 484.9 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 438.4 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 HF/6-31+G**
B
1.42043

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.784
C2 0.000 0.000 0.654

Atom - Atom Distances (Å)
  B1 C2
B11.4377
C21.4377

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