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

using model chemistry: BLYP/3-21G

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/3-21G
 hartrees
Energy at 0K-62.295523
Energy at 298.15K-62.293045
HF Energy-62.295523
Nuclear repulsion energy10.370685
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/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 1094 1088 1.96      

Unscaled Zero Point Vibrational Energy (zpe) 547.0 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 544.0 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/3-21G
B
1.25294

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.835
C2 0.000 0.000 0.696

Atom - Atom Distances (Å)
  B1 C2
B11.5308
C21.5308

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/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.251      
2 C -0.251      


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 -0.648 0.648
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.654 0.000 0.000
y 0.000 -11.654 0.000
z 0.000 0.000 -14.627
Traceless
 xyz
x 1.487 0.000 0.000
y 0.000 1.487 0.000
z 0.000 0.000 -2.973
Polar
3z2-r2-5.947
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 2.263 0.000 0.000
y 0.000 2.263 0.000
z 0.000 0.000 6.088


<r2> (average value of r2) Å2
<r2> 14.289
(<r2>)1/2 3.780

State 2 (2Π)

Jump to S1C1
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-62.269398
Energy at 298.15K-62.266943
Nuclear repulsion energy11.020808
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/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 1338 1331 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 669.1 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 665.4 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 BLYP/3-21G
B
1.41495

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.786
C2 0.000 0.000 0.655

Atom - Atom Distances (Å)
  B1 C2
B11.4405
C21.4405

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