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

using model chemistry: PBEPBE/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 PBEPBE/6-31+G**
 hartrees
Energy at 0K-62.578248
Energy at 298.15K-62.575779
HF Energy-62.578248
Nuclear repulsion energy10.553662
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 PBEPBE/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 1166 1153 11.60      

Unscaled Zero Point Vibrational Energy (zpe) 583.0 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 576.3 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 PBEPBE/6-31+G**
B
1.29754

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.820
C2 0.000 0.000 0.684

Atom - Atom Distances (Å)
  B1 C2
B11.5042
C21.5042

picture of boron monocarbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.166      
2 C -0.166      


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 -1.135 1.135
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.906 0.000 0.000
y 0.000 -11.906 0.000
z 0.000 0.000 -14.778
Traceless
 xyz
x 1.436 0.000 0.000
y 0.000 1.436 0.000
z 0.000 0.000 -2.873
Polar
3z2-r2-5.745
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 2.872 0.000 0.000
y 0.000 2.872 0.000
z 0.000 0.000 7.919


<r2> (average value of r2) Å2
<r2> 14.205
(<r2>)1/2 3.769

State 2 (2Π)

Jump to S1C1
Energy calculated at PBEPBE/6-31+G**
 hartrees
Energy at 0K-62.564042
Energy at 298.15K-62.561573
Nuclear repulsion energy10.520633
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 PBEPBE/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 1168 1155 1.00      

Unscaled Zero Point Vibrational Energy (zpe) 584.0 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 577.4 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 PBEPBE/6-31+G**
B
1.28943

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

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
B11.5090
C21.5090

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