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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: B3LYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-311G**
 hartrees
Energy at 0K-169.843961
Energy at 298.15K-169.847653
HF Energy-169.843961
Nuclear repulsion energy70.396959
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 B3LYP/6-311G**
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' 3126 3022 13.39      
2 A' 3016 2916 2.71      
3 A' 1673 1618 82.61      
4 A' 1452 1404 26.00      
5 A' 1369 1324 27.73      
6 A' 1151 1113 20.16      
7 A' 832 804 26.72      
8 A' 577 558 1.27      
9 A" 3099 2996 4.79      
10 A" 1451 1403 13.22      
11 A" 970 938 2.75      
12 A" 163 158 1.68      

Unscaled Zero Point Vibrational Energy (zpe) 9439.6 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 9126.2 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 B3LYP/6-311G**
ABC
2.05264 0.38223 0.34276

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.945 -0.578 0.000
N2 0.000 0.570 0.000
O3 1.156 0.242 0.000
H4 -0.414 -1.532 0.000
H5 -1.582 -0.462 0.882
H6 -1.582 -0.462 -0.882

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.48702.25501.09211.09401.0940
N21.48701.20162.14272.08472.0847
O32.25501.20162.36862.96112.9611
H41.09212.14272.36861.81311.8131
H51.09402.08472.96111.81311.7637
H61.09402.08472.96111.81311.7637

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.590 N2 C1 H4 111.444
N2 C1 H5 106.754 N2 C1 H6 106.754
H4 C1 H5 112.066 H4 C1 H6 112.066
H5 C1 H6 107.433
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.209      
2 N 0.021      
3 O -0.192      
4 H 0.114      
5 H 0.133      
6 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.964 -1.305 0.000 2.357
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.387 0.353 0.000
y 0.353 -19.195 0.000
z 0.000 0.000 -16.612
Traceless
 xyz
x -0.483 0.353 0.000
y 0.353 -1.696 0.000
z 0.000 0.000 2.179
Polar
3z2-r24.358
x2-y20.808
xy0.353
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.458 0.369 0.000
y 0.369 3.152 0.000
z 0.000 0.000 2.555


<r2> (average value of r2) Å2
<r2> 41.582
(<r2>)1/2 6.448