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All results from a given calculation for LiO2 (Lithium dioxide)

using model chemistry: QCISD(T)=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-157.694339
Energy at 298.15K 
HF Energy-157.157770
Nuclear repulsion energy39.501201
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 QCISD(T)=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 1118 1070        
2 A1 760 727        
3 B2 547 523        

Unscaled Zero Point Vibrational Energy (zpe) 1212.3 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 1160.1 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 QCISD(T)=FULL/cc-pVTZ
ABC
1.14880 1.11957 0.56700

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.362
O2 0.000 0.677 -0.255
O3 0.000 -0.677 -0.255

Atom - Atom Distances (Å)
  Li1 O2 O3
Li11.75371.7537
O21.75371.3546
O31.75371.3546

picture of Lithium dioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Li1 O2 O3 67.282 Li1 O3 O2 67.282
O2 Li1 O3 45.436
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability