return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: M06-2X/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-169.749747
Energy at 298.15K-169.753434
HF Energy-169.749747
Nuclear repulsion energy70.694391
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/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3169 3169 6.94      
2 A' 3046 3046 1.34      
3 A' 1762 1762 86.32      
4 A' 1426 1426 24.37      
5 A' 1355 1355 22.97      
6 A' 1159 1159 15.86      
7 A' 893 893 16.62      
8 A' 589 589 3.16      
9 A" 3146 3146 1.55      
10 A" 1427 1427 13.29      
11 A" 963 963 1.88      
12 A" 145 145 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 9539.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9539.8 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 M06-2X/aug-cc-pVDZ
ABC
2.05253 0.38716 0.34694

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.940 -0.572 0.000
N2 0.000 0.568 0.000
O3 1.149 0.236 0.000
H4 -0.401 -1.526 0.000
H5 -1.576 -0.453 0.886
H6 -1.576 -0.453 -0.886

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.47762.23981.09601.09751.0975
N21.47761.19642.13232.07702.0770
O32.23981.19642.34662.94782.9478
H41.09602.13232.34661.82161.8216
H51.09752.07702.94781.82161.7723
H61.09752.07702.94781.82161.7723

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.365 N2 C1 H4 111.031
N2 C1 H5 106.590 N2 C1 H6 106.590
H4 C1 H5 112.296 H4 C1 H6 112.296
H5 C1 H6 107.695
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.981      
2 N -0.030      
3 O -0.414      
4 H -0.218      
5 H -0.160      
6 H -0.160      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.020 -1.406 0.000 2.461
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.437 0.417 0.000
y 0.417 -19.347 0.000
z 0.000 0.000 -16.857
Traceless
 xyz
x -0.334 0.417 0.000
y 0.417 -1.700 0.000
z 0.000 0.000 2.035
Polar
3z2-r24.069
x2-y20.911
xy0.417
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.011 0.342 0.000
y 0.342 3.853 0.000
z 0.000 0.000 3.179


<r2> (average value of r2) Å2
<r2> 41.351
(<r2>)1/2 6.431