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All results from a given calculation for N2O4 (Dinitrogen tetroxide)

using model chemistry: CCD/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1Ag
Energy calculated at CCD/aug-cc-pVDZ
 hartrees
Energy at 0K-409.248579
Energy at 298.15K 
HF Energy-408.105342
Nuclear repulsion energy240.219679
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 CCD/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 1465 1413 0.00      
2 Ag 849 818 0.00      
3 Ag 342 330 0.00      
4 Au 80 77 0.00      
5 B1u 1372 1323 397.31      
6 B1u 785 757 206.69      
7 B2g 767 740 0.00      
8 B2u 1934 1865 750.62      
9 B2u 273 264 0.00      
10 B3g 1878 1812 0.00      
11 B3g 525 507 0.00      
12 B3u 492 474 19.60      

Unscaled Zero Point Vibrational Energy (zpe) 5380.7 cm-1
Scaled (by 0.9645) Zero Point Vibrational Energy (zpe) 5189.7 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 CCD/aug-cc-pVDZ
ABC
0.21875 0.12945 0.08133

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.850
N2 0.000 0.000 -0.850
O3 0.000 1.097 1.311
O4 0.000 -1.097 1.311
O5 0.000 1.097 -1.311
O6 0.000 -1.097 -1.311

Atom - Atom Distances (Å)
  N1 N2 O3 O4 O5 O6
N11.69921.19061.19062.42362.4236
N21.69922.42362.42361.19061.1906
O31.19062.42362.19502.62253.4199
O41.19062.42362.19503.41992.6225
O52.42361.19062.62253.41992.1950
O62.42361.19063.41992.62252.1950

picture of Dinitrogen tetroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 O5 112.813 N1 N2 O6 112.813
N2 N1 O3 112.813 N2 N1 O4 112.813
O3 N1 O4 134.375 O5 N2 O6 134.375
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability