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

using model chemistry: B1B95/aug-cc-pVDZ

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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-62.646252
Energy at 298.15K-62.643785
HF Energy-62.646252
Nuclear repulsion energy10.628464
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 B1B95/aug-cc-pVDZ
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 1178 1128 37.25      

Unscaled Zero Point Vibrational Energy (zpe) 588.9 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 564.1 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 B1B95/aug-cc-pVDZ
B
1.31600

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.815
C2 0.000 0.000 0.679

Atom - Atom Distances (Å)
  B1 C2
B11.4937
C21.4937

picture of boron monocarbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.048      
2 C -0.048      


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 -1.179 1.179
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.868 0.000 0.000
y 0.000 -11.868 0.000
z 0.000 0.000 -14.344
Traceless
 xyz
x 1.238 0.000 0.000
y 0.000 1.238 0.000
z 0.000 0.000 -2.475
Polar
3z2-r2-4.950
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 3.318 0.000 0.000
y 0.000 3.318 0.000
z 0.000 0.000 8.154


<r2> (average value of r2) Å2
<r2> 14.013
(<r2>)1/2 3.743

State 2 (2Π)

Jump to S1C1
Energy calculated at B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-62.604346
Energy at 298.15K-62.601893
Nuclear repulsion energy11.130432
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 B1B95/aug-cc-pVDZ
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 1376 1318 0.80      

Unscaled Zero Point Vibrational Energy (zpe) 687.9 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 659.0 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 B1B95/aug-cc-pVDZ
B
1.44324

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.778
C2 0.000 0.000 0.648

Atom - Atom Distances (Å)
  B1 C2
B11.4263
C21.4263

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