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

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

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 QCISD(T)=FULL/cc-pVQZ
 hartrees
Energy at 0K-244.862888
Energy at 298.15K 
HF Energy-243.776031
Nuclear repulsion energy125.327733
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-pVQZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/cc-pVQZ
ABC
0.41173 0.35571 0.19794

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.316 0.000
N2 -0.010 0.170 0.000
H3 1.042 -1.620 0.000
H4 -0.493 -1.651 0.902
H5 -0.493 -1.651 -0.902
O6 0.001 0.726 -1.086
O7 0.001 0.726 1.086

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48601.08451.08141.08142.31272.3127
N21.48602.07602.08932.08931.22001.2200
H31.08452.07601.78031.78032.78692.7869
H41.08142.08931.78031.80323.13812.4355
H51.08142.08931.78031.80322.43553.1381
O62.31271.22002.78693.13812.43552.1717
O72.31271.22002.78692.43553.13812.1717

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 117.111 C1 N2 O7 117.111
N2 C1 H3 106.686 N2 C1 H4 107.897
N2 C1 H5 107.897 H3 C1 H4 110.561
H3 C1 H5 110.561 H4 C1 H5 112.967
O6 N2 O7 125.759
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability