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

using model chemistry: PBEPBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-244.774607
Energy at 298.15K-244.779037
Nuclear repulsion energy121.461542
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/cc-pVDZ
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' 3108 3090 4.32      
2 A' 2959 2942 12.64      
3 A' 1664 1655 160.69      
4 A' 1406 1398 6.32      
5 A' 1352 1344 2.89      
6 A' 1116 1109 0.53      
7 A' 970 965 42.33      
8 A' 828 823 52.04      
9 A' 547 544 125.21      
10 A' 329 327 0.73      
11 A" 3035 3017 18.31      
12 A" 1385 1377 10.12      
13 A" 1092 1086 0.19      
14 A" 374 372 1.96      
15 A" 132 131 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 10148.5 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 10089.7 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/cc-pVDZ
ABC
0.66328 0.24231 0.18379

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.319 0.348 0.000
O2 0.000 0.915 0.000
H3 2.004 1.214 0.000
H4 1.484 -0.282 0.900
H5 1.484 -0.282 -0.900
N6 -1.063 -0.069 0.000
O7 -0.681 -1.198 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.43601.10411.11071.11072.41882.5279
O21.43602.02632.10842.10841.44902.2199
H31.10412.02631.82131.82133.32513.6091
H41.11072.10841.82131.79962.71022.5173
H51.11072.10841.82131.79962.71022.5173
N62.41881.44903.32512.71022.71021.1915
O72.52792.21993.60912.51732.51731.1915

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 113.944 O2 C1 H3 105.079
O2 C1 H4 111.126 O2 C1 H5 111.126
O2 N6 O7 114.075 H3 C1 H4 110.648
H3 C1 H5 110.648 H4 C1 H5 108.225
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.039      
2 O -0.209      
3 H 0.065      
4 H 0.053      
5 H 0.053      
6 N 0.127      
7 O -0.129      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.939 0.032 0.000 1.939
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.507 0.637 0.000
y 0.637 -24.944 0.000
z 0.000 0.000 -21.847
Traceless
 xyz
x 1.888 0.637 0.000
y 0.637 -3.266 0.000
z 0.000 0.000 1.378
Polar
3z2-r22.756
x2-y23.436
xy0.637
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.704 0.893 0.000
y 0.893 4.358 0.000
z 0.000 0.000 2.699


<r2> (average value of r2) Å2
<r2> 66.897
(<r2>)1/2 8.179