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All results from a given calculation for LiC (Lithium Carbide)

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 4Σ
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-45.155613
Energy at 298.15K-45.154337
HF Energy-45.155613
Nuclear repulsion energy4.976695
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 mPW1PW91/3-21G*
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 717 681 61.73      

Unscaled Zero Point Vibrational Energy (zpe) 358.6 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 340.5 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 mPW1PW91/3-21G*
B
1.03939

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.276
C2 0.000 0.000 0.638

Atom - Atom Distances (Å)
  Li1 C2
Li11.9140
C21.9140

picture of Lithium Carbide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.438      
2 C -0.438      


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 -5.677 5.677
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.696 0.000 0.000
y 0.000 -10.696 0.000
z 0.000 0.000 -3.258
Traceless
 xyz
x -3.719 0.000 0.000
y 0.000 -3.719 0.000
z 0.000 0.000 7.439
Polar
3z2-r214.878
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 3.801 0.000 0.000
y 0.000 3.801 0.000
z 0.000 0.000 4.993


<r2> (average value of r2) Å2
<r2> 12.459
(<r2>)1/2 3.530