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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: MP2=FULL/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-169.649982
Energy at 298.15K 
HF Energy-168.905749
Nuclear repulsion energy70.617815
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 MP2=FULL/aug-cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/aug-cc-pVQZ
ABC
2.05034 0.38778 0.34691

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.948 -0.550 0.000
N2 0.000 0.568 0.000
O3 1.160 0.210 0.000
H4 -0.432 -1.504 0.000
H5 -1.577 -0.427 0.877
H6 -1.577 -0.427 -0.877

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.46572.24081.08481.08591.0859
N21.46571.21342.11602.06062.0606
O32.24081.21342.33892.94342.9434
H41.08482.11602.33891.79951.7995
H51.08592.06062.94341.79951.7541
H61.08592.06062.94341.79951.7541

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.185 N2 C1 H4 111.246
N2 C1 H5 106.778 N2 C1 H6 106.778
H4 C1 H5 111.996 H4 C1 H6 111.996
H5 C1 H6 107.745
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability