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

using model chemistry: B3LYP/cc-pVQZ

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 B3LYP/cc-pVQZ
 hartrees
Energy at 0K-62.690525
Energy at 298.15K-62.688060
HF Energy-62.690525
Nuclear repulsion energy10.717557
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 B3LYP/cc-pVQZ
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 1195 1158 26.02      

Unscaled Zero Point Vibrational Energy (zpe) 597.4 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 578.8 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 B3LYP/cc-pVQZ
B
1.33815

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVQZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.808
C2 0.000 0.000 0.673

Atom - Atom Distances (Å)
  B1 C2
B11.4812
C21.4812

picture of boron monocarbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVQZ 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 -1.271 1.271
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.826 0.000 0.000
y 0.000 -11.826 0.000
z 0.000 0.000 -14.436
Traceless
 xyz
x 1.305 0.000 0.000
y 0.000 1.305 0.000
z 0.000 0.000 -2.609
Polar
3z2-r2-5.219
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 3.172 0.000 0.000
y 0.000 3.172 0.000
z 0.000 0.000 7.969


<r2> (average value of r2) Å2
<r2> 13.914
(<r2>)1/2 3.730

State 2 (2Π)

Jump to S1C1
Energy calculated at B3LYP/cc-pVQZ
 hartrees
Energy at 0K-62.651402
Energy at 298.15K-62.648949
Nuclear repulsion energy11.238086
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 B3LYP/cc-pVQZ
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 1379 1336 1.36      

Unscaled Zero Point Vibrational Energy (zpe) 689.4 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 667.9 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 B3LYP/cc-pVQZ
B
1.47129

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVQZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.771
C2 0.000 0.000 0.642

Atom - Atom Distances (Å)
  B1 C2
B11.4126
C21.4126

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