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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: MP3=FULL/6-311G*

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/6-311G*
 hartrees
Energy at 0K-169.435568
Energy at 298.15K-169.439283
HF Energy-168.869057
Nuclear repulsion energy70.770551
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/6-311G*
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' 3193 3193 10.05      
2 A' 3079 3079 2.94      
3 A' 1779 1779 46.66      
4 A' 1502 1502 22.00      
5 A' 1433 1433 24.17      
6 A' 1198 1198 14.98      
7 A' 921 921 10.70      
8 A' 607 607 2.50      
9 A" 3173 3173 6.13      
10 A" 1495 1495 14.05      
11 A" 1017 1017 3.21      
12 A" 142 142 1.31      

Unscaled Zero Point Vibrational Energy (zpe) 9770.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9770.1 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/6-311G*
ABC
2.04790 0.38833 0.34764

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.938 -0.572 0.000
N2 0.000 0.572 0.000
O3 1.147 0.235 0.000
H4 -0.400 -1.521 0.000
H5 -1.572 -0.466 0.884
H6 -1.572 -0.466 -0.884

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.47942.23581.09131.09261.0926
N21.47941.19512.13072.08072.0807
O32.23581.19512.34002.94332.9433
H41.09132.13072.34001.80751.8075
H51.09262.08072.94331.80751.7681
H61.09262.08072.94331.80751.7681

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.000 N2 C1 H4 111.061
N2 C1 H5 107.034 N2 C1 H6 107.034
H4 C1 H5 111.720 H4 C1 H6 111.720
H5 C1 H6 108.027
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability