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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: wB97X-D/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-169.804598
Energy at 298.15K-169.808188
HF Energy-169.804598
Nuclear repulsion energy70.853746
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/aug-cc-pVTZ
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' 3161 3024 10.14      
2 A' 3047 2915 2.32      
3 A' 1716 1641 84.74      
4 A' 1459 1396 22.67      
5 A' 1377 1317 27.13      
6 A' 1169 1118 17.46      
7 A' 882 843 21.57      
8 A' 589 563 2.13      
9 A" 3139 3003 2.27      
10 A" 1453 1390 13.29      
11 A" 967 925 2.10      
12 A" 88 84 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 9523.0 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 9109.7 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/aug-cc-pVTZ
ABC
2.08885 0.38682 0.34733

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.939 -0.572 0.000
N2 0.000 0.563 0.000
O3 1.150 0.241 0.000
H4 -0.417 -1.528 0.000
H5 -1.574 -0.455 0.879
H6 -1.574 -0.455 -0.879

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.47272.24101.08941.09081.0908
N21.47271.19382.13222.07012.0701
O32.24101.19382.36312.94512.9451
H41.08942.13222.36311.80631.8063
H51.09082.07012.94511.80631.7582
H61.09082.07012.94511.80631.7582

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.958 N2 C1 H4 111.783
N2 C1 H5 106.768 N2 C1 H6 106.768
H4 C1 H5 111.896 H4 C1 H6 111.896
H5 C1 H6 107.409
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.559      
2 N -0.001      
3 O -0.348      
4 H 0.344      
5 H 0.282      
6 H 0.282      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.015 -1.408 0.000 2.458
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.285 0.483 0.000
y 0.483 -19.202 0.000
z 0.000 0.000 -16.668
Traceless
 xyz
x -0.350 0.483 0.000
y 0.483 -1.725 0.000
z 0.000 0.000 2.076
Polar
3z2-r24.151
x2-y20.917
xy0.483
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.082 0.326 0.000
y 0.326 3.972 0.000
z 0.000 0.000 3.260


<r2> (average value of r2) Å2
<r2> 41.201
(<r2>)1/2 6.419