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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: B3LYP/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-33.244332
Energy at 298.15K-33.247988
HF Energy-33.244332
Nuclear repulsion energy39.334659
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/CEP-31G*
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' 3136 3029 25.38      
2 A' 3026 2922 6.34      
3 A' 1649 1593 61.19      
4 A' 1453 1403 25.47      
5 A' 1373 1326 17.98      
6 A' 1144 1105 16.14      
7 A' 839 810 20.43      
8 A' 557 538 2.56      
9 A" 3109 3003 17.62      
10 A" 1449 1400 12.88      
11 A" 962 929 0.87      
12 A" 159 154 1.86      

Unscaled Zero Point Vibrational Energy (zpe) 9428.6 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 9105.2 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/CEP-31G*
ABC
1.96685 0.37433 0.33444

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.961 -0.569 0.000
N2 0.000 0.583 0.000
O3 1.176 0.222 0.000
H4 -0.438 -1.540 0.000
H5 -1.604 -0.449 0.891
H6 -1.604 -0.449 -0.891

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.50002.27901.10341.10541.1054
N21.50001.23062.16772.10542.1054
O32.27901.23062.38952.99622.9962
H41.10342.16772.38951.82901.8290
H51.10542.10542.99621.82901.7818
H61.10542.10542.99621.82901.7818

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 112.781 N2 C1 H4 111.840
N2 C1 H5 106.846 N2 C1 H6 106.846
H4 C1 H5 111.798 H4 C1 H6 111.798
H5 C1 H6 107.405
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.534      
2 N 0.051      
3 O -0.132      
4 H 0.211      
5 H 0.202      
6 H 0.202      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.259 -1.571 0.000 2.751
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.006 0.353 0.000
y 0.353 -18.813 0.000
z 0.000 0.000 -16.322
Traceless
 xyz
x -0.438 0.353 0.000
y 0.353 -1.649 0.000
z 0.000 0.000 2.087
Polar
3z2-r24.175
x2-y20.807
xy0.353
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.300 0.283 0.000
y 0.283 2.712 0.000
z 0.000 0.000 2.318


<r2> (average value of r2) Å2
<r2> 36.053
(<r2>)1/2 6.004