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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: wB97X-D/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/6-31G(2df,p)
 hartrees
Energy at 0K-169.749199
Energy at 298.15K-169.752820
HF Energy-169.749199
Nuclear repulsion energy70.651086
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 wB97X-D/6-31G(2df,p)
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' 3169 3169 10.13      
2 A' 3046 3046 2.25      
3 A' 1740 1740 70.28      
4 A' 1456 1456 18.49      
5 A' 1376 1376 21.20      
6 A' 1166 1166 15.19      
7 A' 876 876 20.38      
8 A' 585 585 2.08      
9 A" 3144 3144 3.62      
10 A" 1457 1457 10.20      
11 A" 966 966 1.22      
12 A" 111 111 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 9546.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9546.4 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 wB97X-D/6-31G(2df,p)
ABC
2.05576 0.38618 0.34604

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.940 -0.573 0.000
N2 0.000 0.569 0.000
O3 1.151 0.238 0.000
H4 -0.410 -1.529 0.000
H5 -1.578 -0.461 0.882
H6 -1.578 -0.461 -0.882

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.47902.24191.09291.09451.0945
N21.47901.19752.13782.08092.0809
O32.24191.19752.35702.95162.9516
H41.09292.13782.35701.81151.8115
H51.09452.08092.95161.81151.7641
H61.09452.08092.95161.81151.7641

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.360 N2 C1 H4 111.565
N2 C1 H5 106.971 N2 C1 H6 106.971
H4 C1 H5 111.823 H4 C1 H6 111.823
H5 C1 H6 107.397
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.339      
2 N 0.057      
3 O -0.217      
4 H 0.154      
5 H 0.173      
6 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.901 -1.337 0.000 2.324
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.733 0.349 0.000
y 0.349 -18.622 0.000
z 0.000 0.000 -16.323
Traceless
 xyz
x -0.260 0.349 0.000
y 0.349 -1.594 0.000
z 0.000 0.000 1.854
Polar
3z2-r23.708
x2-y20.889
xy0.349
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.250 0.333 0.000
y 0.333 3.034 0.000
z 0.000 0.000 2.637


<r2> (average value of r2) Å2
<r2> 41.013
(<r2>)1/2 6.404