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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: M06-2X/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/6-31+G**
 hartrees
Energy at 0K-169.727177
Energy at 298.15K-169.730862
HF Energy-169.727177
Nuclear repulsion energy70.645746
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 M06-2X/6-31+G**
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' 3177 3025 6.89      
2 A' 3057 2911 1.39      
3 A' 1773 1688 91.58      
4 A' 1464 1394 25.75      
5 A' 1387 1321 22.72      
6 A' 1170 1114 15.91      
7 A' 891 848 16.84      
8 A' 592 564 2.85      
9 A" 3153 3002 1.57      
10 A" 1461 1391 14.93      
11 A" 977 930 2.64      
12 A" 144 137 1.43      

Unscaled Zero Point Vibrational Energy (zpe) 9621.9 cm-1
Scaled (by 0.9522) Zero Point Vibrational Energy (zpe) 9161.9 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 M06-2X/6-31+G**
ABC
2.05276 0.38637 0.34617

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.941 -0.571 0.000
N2 0.000 0.569 0.000
O3 1.151 0.235 0.000
H4 -0.408 -1.525 0.000
H5 -1.576 -0.457 0.883
H6 -1.576 -0.457 -0.883

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.47882.24231.09261.09391.0939
N21.47881.19872.13382.07792.0779
O32.24231.19872.35142.94912.9491
H41.09262.13382.35141.81251.8125
H51.09392.07792.94911.81251.7667
H61.09392.07792.94911.81251.7667

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.330 N2 C1 H4 111.273
N2 C1 H5 106.791 N2 C1 H6 106.791
H4 C1 H5 111.984 H4 C1 H6 111.984
H5 C1 H6 107.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.433      
2 N -0.034      
3 O -0.094      
4 H 0.184      
5 H 0.189      
6 H 0.189      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.090 -1.463 0.000 2.551
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.535 0.457 0.000
y 0.457 -19.450 0.000
z 0.000 0.000 -16.856
Traceless
 xyz
x -0.382 0.457 0.000
y 0.457 -1.755 0.000
z 0.000 0.000 2.136
Polar
3z2-r24.273
x2-y20.915
xy0.457
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.748 0.254 0.000
y 0.254 3.440 0.000
z 0.000 0.000 2.844


<r2> (average value of r2) Å2
<r2> 41.442
(<r2>)1/2 6.438