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

using model chemistry: PBEPBE/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-244.862356
Energy at 298.15K-244.866783
HF Energy-244.862356
Nuclear repulsion energy121.775692
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/Def2TZVPP
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' 3097 3060 5.19      
2 A' 2970 2934 12.22      
3 A' 1644 1624 186.08      
4 A' 1432 1415 4.78      
5 A' 1379 1362 4.09      
6 A' 1131 1117 0.06      
7 A' 961 949 46.71      
8 A' 823 813 54.09      
9 A' 540 533 152.44      
10 A' 323 319 0.65      
11 A" 3038 3001 16.98      
12 A" 1418 1401 10.72      
13 A" 1108 1095 0.27      
14 A" 368 364 1.69      
15 A" 141 139 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 10186.2 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 10062.9 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/Def2TZVPP
ABC
0.67203 0.24148 0.18389

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.341 0.340 0.000
O2 0.000 0.875 0.000
H3 1.992 1.218 0.000
H4 1.518 -0.273 0.893
H5 1.518 -0.273 -0.893
N6 -1.026 -0.032 0.000
O7 -0.736 -1.186 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.44421.09281.09731.09732.39682.5778
O21.44422.02172.10202.10201.36962.1885
H31.09282.02171.80131.80133.26723.6363
H41.09732.10201.80131.78612.70692.5905
H51.09732.10201.80131.78612.70692.5905
N62.39681.36963.26722.70692.70691.1900
O72.57782.18853.63632.59052.59051.1900

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 116.793 O2 C1 H3 104.822
O2 C1 H4 110.858 O2 C1 H5 110.858
O2 N6 O7 117.348 H3 C1 H4 110.664
H3 C1 H5 110.664 H4 C1 H5 108.942
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.206      
2 O -0.121      
3 H 0.124      
4 H 0.125      
5 H 0.125      
6 N 0.120      
7 O -0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.087 0.028 0.000 2.087
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.016 0.709 0.000
y 0.709 -25.474 0.000
z 0.000 0.000 -22.276
Traceless
 xyz
x 1.859 0.709 0.000
y 0.709 -3.328 0.000
z 0.000 0.000 1.469
Polar
3z2-r22.937
x2-y23.458
xy0.709
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.477 0.918 0.000
y 0.918 5.074 0.000
z 0.000 0.000 3.418


<r2> (average value of r2) Å2
<r2> 67.144
(<r2>)1/2 8.194