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All results from a given calculation for CSe2 (Carbon diselenide)

using model chemistry: M06-2X/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1A1
Energy calculated at M06-2X/TZVP
 hartrees
Energy at 0K-4841.229090
Energy at 298.15K-4841.224962
HF Energy-4841.229090
Nuclear repulsion energy308.444208
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 M06-2X/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 392 371 0.00      
2 Σu 1354 1281 683.92      
3 Πu 324 307 8.38      
3 Πu 324 307 8.38      

Unscaled Zero Point Vibrational Energy (zpe) 1197.3 cm-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 1132.9 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 M06-2X/TZVP
B
0.03686

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/TZVP

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
Se2 0.000 0.000 1.692
Se3 0.000 0.000 -1.692

Atom - Atom Distances (Å)
  C1 Se2 Se3
C11.69161.6916
Se21.69163.3832
Se31.69163.3832

picture of Carbon diselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se2 C1 Se3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.204      
2 Se 0.102      
3 Se 0.102      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.636 0.000 0.000
y 0.000 -42.636 0.000
z 0.000 0.000 -37.386
Traceless
 xyz
x -2.625 0.000 0.000
y 0.000 -2.625 0.000
z 0.000 0.000 5.250
Polar
3z2-r210.499
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 4.450 0.000 0.000
y 0.000 4.450 0.000
z 0.000 0.000 17.921


<r2> (average value of r2) Å2
<r2> 220.123
(<r2>)1/2 14.837