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

using model chemistry: mPW1PW91/6-31+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 mPW1PW91/6-31+G**
 hartrees
Energy at 0K-62.649243
Energy at 298.15K-62.646778
HF Energy-62.649243
Nuclear repulsion energy10.707501
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 mPW1PW91/6-31+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 1211 1152 43.85      

Unscaled Zero Point Vibrational Energy (zpe) 605.3 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 576.1 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 mPW1PW91/6-31+G**
B
1.33564

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.809
C2 0.000 0.000 0.674

Atom - Atom Distances (Å)
  B1 C2
B11.4826
C21.4826

picture of boron monocarbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.183      
2 C -0.183      


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 -1.560 1.560
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.763 0.000 0.000
y 0.000 -11.763 0.000
z 0.000 0.000 -14.587
Traceless
 xyz
x 1.412 0.000 0.000
y 0.000 1.412 0.000
z 0.000 0.000 -2.824
Polar
3z2-r2-5.649
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 2.733 0.000 0.000
y 0.000 2.733 0.000
z 0.000 0.000 7.949


<r2> (average value of r2) Å2
<r2> 13.930
(<r2>)1/2 3.732

State 2 (2Π)

Jump to S1C1
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-62.603259
Energy at 298.15K-62.600807
Nuclear repulsion energy11.174416
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 mPW1PW91/6-31+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 1393 1326 0.57      

Unscaled Zero Point Vibrational Energy (zpe) 696.6 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 663.1 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 mPW1PW91/6-31+G**
B
1.45467

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.775
C2 0.000 0.000 0.646

Atom - Atom Distances (Å)
  B1 C2
B11.4207
C21.4207

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