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All results from a given calculation for CH3ONO (Methyl nitrite)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS cis 1A'
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-244.824521
Energy at 298.15K-244.828956
Nuclear repulsion energy121.453688
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 PBEPBE/6-311G**
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' 3100 3072 6.21      
2 A' 2964 2937 12.96      
3 A' 1657 1642 176.69      
4 A' 1435 1422 6.01      
5 A' 1382 1369 4.39      
6 A' 1130 1120 0.24      
7 A' 962 953 47.51      
8 A' 825 818 49.99      
9 A' 534 529 138.59      
10 A' 326 323 0.58      
11 A" 3031 3003 21.79      
12 A" 1418 1405 11.68      
13 A" 1111 1101 0.13      
14 A" 372 369 2.27      
15 A" 140 138 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 10192.4 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 10099.7 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 PBEPBE/6-311G**
ABC
0.66886 0.24016 0.18291

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.326 0.355 0.000
O2 0.000 0.913 0.000
H3 1.997 1.221 0.000
H4 1.492 -0.265 0.895
H5 1.492 -0.265 -0.895
N6 -1.064 -0.076 0.000
O7 -0.686 -1.200 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.43821.09551.10191.10192.42842.5422
O21.43822.02072.10152.10151.45292.2215
H31.09552.02071.80701.80703.32463.6133
H41.10192.10151.80701.79042.71502.5329
H51.10192.10151.80701.79042.71502.5329
N62.42841.45293.32462.71502.71501.1862
O72.54222.22153.61332.53292.53291.1862

picture of Methyl nitrite state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 O2 N6 114.270 O2 C1 H3 104.982
O2 C1 H4 110.958 O2 C1 H5 110.958
O2 N6 O7 114.281 H3 C1 H4 110.635
H3 C1 H5 110.635 H4 C1 H5 108.660
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.198      
2 O -0.246      
3 H 0.150      
4 H 0.140      
5 H 0.140      
6 N 0.172      
7 O -0.157      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.073 -0.028 0.000 2.073
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.697 0.735 0.000
y 0.735 -25.442 0.000
z 0.000 0.000 -22.077
Traceless
 xyz
x 2.063 0.735 0.000
y 0.735 -3.555 0.000
z 0.000 0.000 1.492
Polar
3z2-r22.985
x2-y23.745
xy0.735
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.846 0.916 0.000
y 0.916 4.534 0.000
z 0.000 0.000 2.829


<r2> (average value of r2) Å2
<r2> 67.302
(<r2>)1/2 8.204