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All results from a given calculation for CH3NO2 (Methane, nitro-)

using model chemistry: MP4=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS Os out of place 1A'
Energy calculated at MP4=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-244.767145
Energy at 298.15K 
HF Energy-243.758423
Nuclear repulsion energy124.533973
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 MP4=FULL/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/aug-cc-pVTZ
ABC
0.40424 0.35353 0.19557

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.319 0.000
N2 -0.010 0.169 0.000
H3 1.044 -1.625 0.000
H4 -0.496 -1.656 0.903
H5 -0.496 -1.656 -0.903
O6 0.001 0.729 -1.097
O7 0.001 0.729 1.097

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48811.08671.08391.08392.32352.3235
N21.48812.08032.09282.09281.23151.2315
H31.08672.08031.78481.78482.79852.7985
H41.08392.09281.78481.80553.15142.4437
H51.08392.09281.78481.80552.44373.1514
O62.32351.23152.79853.15142.44372.1931
O72.32351.23152.79852.44373.15142.1931

picture of Methane, nitro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O6 117.062 C1 N2 O7 117.062
N2 C1 H3 106.754 N2 C1 H4 107.885
N2 C1 H5 107.885 H3 C1 H4 110.630
H3 C1 H5 110.630 H4 C1 H5 112.793
O6 N2 O7 125.855
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability