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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-244.820403
Energy at 298.15K-244.824849
Nuclear repulsion energy121.516431
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' 3106 3074 8.37      
2 A' 2971 2940 14.93      
3 A' 1659 1641 176.62      
4 A' 1455 1440 6.19      
5 A' 1396 1382 5.33      
6 A' 1142 1130 0.11      
7 A' 966 956 48.97      
8 A' 828 819 50.10      
9 A' 536 531 138.35      
10 A' 326 323 0.63      
11 A" 3039 3007 25.56      
12 A" 1438 1423 11.97      
13 A" 1122 1111 0.10      
14 A" 372 368 2.29      
15 A" 148 146 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 10251.7 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 10145.1 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
0.66983 0.24037 0.18310

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 1.324 0.356 0.000
O2 0.000 0.913 0.000
H3 1.995 1.222 0.000
H4 1.491 -0.264 0.895
H5 1.491 -0.264 -0.895
N6 -1.064 -0.076 0.000
O7 -0.685 -1.200 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.43671.09511.10131.10132.42682.5412
O21.43672.01872.09932.09931.45212.2208
H31.09512.01871.80621.80623.32243.6118
H41.10132.09931.80621.79022.71302.5318
H51.10132.09931.80621.79022.71302.5318
N62.42681.45213.32242.71302.71301.1860
O72.54122.22083.61182.53182.53181.1860

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 114.290 O2 C1 H3 104.947
O2 C1 H4 110.928 O2 C1 H5 110.928
O2 N6 O7 114.284 H3 C1 H4 110.641
H3 C1 H5 110.641 H4 C1 H5 108.737
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 -0.498      
2 O -0.229      
3 H 0.243      
4 H 0.233      
5 H 0.233      
6 N 0.173      
7 O -0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.079 -0.022 0.000 2.079
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.730 0.754 0.000
y 0.754 -25.455 0.000
z 0.000 0.000 -22.090
Traceless
 xyz
x 2.042 0.754 0.000
y 0.754 -3.545 0.000
z 0.000 0.000 1.503
Polar
3z2-r23.005
x2-y23.725
xy0.754
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.767 0.917 0.000
y 0.917 4.498 0.000
z 0.000 0.000 2.789


<r2> (average value of r2) Å2
<r2> 67.257
(<r2>)1/2 8.201