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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: MP3=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/6-31G
 hartrees
Energy at 0K-169.077685
Energy at 298.15K-169.081388
HF Energy-168.736183
Nuclear repulsion energy69.063051
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 MP3=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 A' 3168 3168 11.12      
2 A' 3062 3062 2.68      
3 A' 1601 1601 12.66      
4 A' 1527 1527 20.73      
5 A' 1455 1455 18.97      
6 A' 1180 1180 14.56      
7 A' 873 873 9.58      
8 A' 573 573 2.89      
9 A" 3156 3156 7.01      
10 A" 1527 1527 12.52      
11 A" 1032 1032 2.71      
12 A" 155 155 2.09      

Unscaled Zero Point Vibrational Energy (zpe) 9654.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9654.8 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 MP3=FULL/6-31G
ABC
1.97747 0.36876 0.33030

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.974 -0.567 0.000
N2 0.000 0.581 0.000
O3 1.187 0.221 0.000
H4 -0.448 -1.530 0.000
H5 -1.604 -0.454 0.891
H6 -1.604 -0.454 -0.891

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.50542.30011.09731.09761.0976
N21.50541.24092.15842.10722.1072
O32.30011.24092.39593.00713.0071
H41.09732.15842.39591.81331.8133
H51.09762.10723.00711.81331.7828
H61.09762.10723.00711.81331.7828

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.411 N2 C1 H4 111.084
N2 C1 H5 107.063 N2 C1 H6 107.063
H4 C1 H5 111.408 H4 C1 H6 111.408
H5 C1 H6 108.609
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability