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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: wB97X-D/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 wB97X-D/6-31+G**
 hartrees
Energy at 0K-169.748842
Energy at 298.15K-169.752461
HF Energy-169.748842
Nuclear repulsion energy70.540847
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/6-31+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' 3179 3028 9.93      
2 A' 3057 2911 2.26      
3 A' 1735 1652 89.43      
4 A' 1464 1395 24.05      
5 A' 1388 1322 30.66      
6 A' 1176 1119 16.41      
7 A' 895 853 19.95      
8 A' 589 561 2.35      
9 A" 3157 3006 2.37      
10 A" 1459 1390 16.43      
11 A" 974 928 2.40      
12 A" 104 100 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 9588.6 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 9131.3 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/6-31+G**
ABC
2.05853 0.38490 0.34512

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.944 -0.566 0.000
N2 0.000 0.567 0.000
O3 1.156 0.232 0.000
H4 -0.423 -1.528 0.000
H5 -1.580 -0.446 0.883
H6 -1.580 -0.446 -0.883

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.47502.24701.09321.09441.0944
N21.47501.20382.13652.07432.0743
O32.24701.20382.36422.95412.9541
H41.09322.13652.36421.81271.8127
H51.09442.07432.95411.81271.7653
H61.09442.07432.95411.81271.7653

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.645 N2 C1 H4 111.733
N2 C1 H5 106.728 N2 C1 H6 106.728
H4 C1 H5 111.911 H4 C1 H6 111.911
H5 C1 H6 107.509
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.431      
2 N -0.030      
3 O -0.098      
4 H 0.183      
5 H 0.188      
6 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.175 -1.494 0.000 2.639
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.443 0.479 0.000
y 0.479 -19.377 0.000
z 0.000 0.000 -16.725
Traceless
 xyz
x -0.392 0.479 0.000
y 0.479 -1.793 0.000
z 0.000 0.000 2.185
Polar
3z2-r24.371
x2-y20.934
xy0.479
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.814 0.243 0.000
y 0.243 3.475 0.000
z 0.000 0.000 2.860


<r2> (average value of r2) Å2
<r2> 41.466
(<r2>)1/2 6.439