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All results from a given calculation for CH3NO (nitrosomethane)

using model chemistry: LSDA/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-31G**
 hartrees
Energy at 0K-168.914051
Energy at 298.15K-168.917733
HF Energy-168.914051
Nuclear repulsion energy70.496553
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 LSDA/6-31G**
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' 3091 3034 9.08      
2 A' 2959 2904 1.23      
3 A' 1665 1634 69.07      
4 A' 1384 1358 24.64      
5 A' 1289 1265 45.84      
6 A' 1119 1098 15.64      
7 A' 855 839 33.36      
8 A' 561 550 1.84      
9 A" 3060 3003 0.00      
10 A" 1381 1355 14.94      
11 A" 909 892 0.21      
12 A" 184 180 4.35      

Unscaled Zero Point Vibrational Energy (zpe) 9228.4 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 9055.8 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 LSDA/6-31G**
ABC
2.02959 0.38836 0.34708

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.942 -0.550 0.000
N2 0.000 0.568 0.000
O3 1.158 0.211 0.000
H4 -0.421 -1.522 0.000
H5 -1.595 -0.424 0.883
H6 -1.595 -0.424 -0.883

Atom - Atom Distances (Å)
  C1 N2 O3 H4 H5 H6
C11.46222.23431.10311.10501.1050
N21.46221.21192.13232.07512.0751
O32.23431.21192.34532.95992.9599
H41.10312.13232.34531.83381.8338
H51.10502.07512.95991.83381.7660
H61.10502.07512.95991.83381.7660

picture of nitrosomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O3 113.011 N2 C1 H4 111.687
N2 C1 H5 107.044 N2 C1 H6 107.044
H4 C1 H5 112.300 H4 C1 H6 112.300
H5 C1 H6 106.085
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.335      
2 N 0.040      
3 O -0.236      
4 H 0.160      
5 H 0.186      
6 H 0.186      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.056 -1.345 0.000 2.456
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.708 0.368 0.000
y 0.368 -18.917 0.000
z 0.000 0.000 -16.428
Traceless
 xyz
x -0.036 0.368 0.000
y 0.368 -1.849 0.000
z 0.000 0.000 1.884
Polar
3z2-r23.769
x2-y21.209
xy0.368
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.354 0.359 0.000
y 0.359 2.963 0.000
z 0.000 0.000 2.485


<r2> (average value of r2) Å2
<r2> 41.035
(<r2>)1/2 6.406