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All results from a given calculation for NaO2 (Sodium superoxide)

using model chemistry: B2PLYP=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A1
Energy calculated at B2PLYP=FULL/6-31G
 hartrees
Energy at 0K-312.325403
Energy at 298.15K 
HF Energy-312.228051
Nuclear repulsion energy66.565127
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 B2PLYP=FULL/6-31G
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 911 911 0.23 708.46 0.36 0.53
2 A1 429 429 38.22 8.79 0.16 0.27
3 B2 365 365 6.85 3.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 852.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 852.8 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 B2PLYP=FULL/6-31G
ABC
0.99669 0.30717 0.23480

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Na1 0.000 0.000 1.200
O2 0.000 0.727 -0.825
O3 0.000 -0.727 -0.825

Atom - Atom Distances (Å)
  Na1 O2 O3
Na12.15212.1521
O22.15211.4543
O32.15211.4543

picture of Sodium superoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Na1 O2 O3 70.253 Na1 O3 O2 70.253
O2 Na1 O3 39.495
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability