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

using model chemistry: HF/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 HF/cc-pVQZ
 hartrees
Energy at 0K-62.341846
Energy at 298.15K-62.339395
HF Energy-62.341846
Nuclear repulsion energy11.105724
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 HF/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 1439 1307 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 719.6 cm-1
Scaled (by 0.9084) Zero Point Vibrational Energy (zpe) 653.7 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 HF/cc-pVQZ
B
1.43684

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.780
C2 0.000 0.000 0.650

Atom - Atom Distances (Å)
  B1 C2
B11.4295
C21.4295

picture of boron monocarbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 B 0.187      
2 C -0.187      


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 -2.574 2.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -11.740 0.000 0.000
y 0.000 -11.740 0.000
z 0.000 0.000 -14.237
Traceless
 xyz
x 1.248 0.000 0.000
y 0.000 1.248 0.000
z 0.000 0.000 -2.497
Polar
3z2-r2-4.993
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 3.410 0.000 0.000
y 0.000 3.410 0.000
z 0.000 0.000 5.145


<r2> (average value of r2) Å2
<r2> 13.425
(<r2>)1/2 3.664

State 2 (2Π)

Jump to S1C1
Energy calculated at HF/cc-pVQZ
 hartrees
Energy at 0K-62.234698
Energy at 298.15K-62.232208
Nuclear repulsion energy11.114884
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 HF/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 1006 914 110.20      

Unscaled Zero Point Vibrational Energy (zpe) 502.9 cm-1
Scaled (by 0.9084) Zero Point Vibrational Energy (zpe) 456.8 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 HF/cc-pVQZ
B
1.43921

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
B1 0.000 0.000 -0.779
C2 0.000 0.000 0.649

Atom - Atom Distances (Å)
  B1 C2
B11.4283
C21.4283

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