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

using model chemistry: B1B95/CEP-31G*

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 B1B95/CEP-31G*
 hartrees
Energy at 0K-49.160616
Energy at 298.15K-49.165423
Nuclear repulsion energy69.322718
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 B1B95/CEP-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' 3211 3074 16.02      
2 A' 3084 2952 17.82      
3 A' 1725 1651 177.22      
4 A' 1482 1418 7.72      
5 A' 1444 1382 3.45      
6 A' 1185 1134 0.60      
7 A' 1053 1008 127.92      
8 A' 906 868 110.16      
9 A' 748 716 56.69      
10 A' 371 355 3.59      
11 A" 3168 3033 29.02      
12 A" 1474 1411 9.81      
13 A" 1154 1105 0.14      
14 A" 380 364 3.06      
15 A" 253 242 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 10819.1 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 10356.0 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 B1B95/CEP-31G*
ABC
0.66543 0.25311 0.19005

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.313 0.308 0.000
O2 0.000 0.890 0.000
H3 1.999 1.163 0.000
H4 1.463 -0.315 0.896
H5 1.463 -0.315 -0.896
N6 -1.043 -0.020 0.000
O7 -0.688 -1.170 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.43631.09691.10151.10152.37812.4875
O21.43632.01762.09672.09671.38362.1720
H31.09692.01761.81011.81013.26353.5589
H41.10152.09671.81011.79222.67752.4823
H51.10152.09671.81011.79222.67752.4823
N62.37811.38363.26352.67752.67751.2038
O72.48752.17203.55892.48232.48231.2038

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 114.970 O2 C1 H3 104.788
O2 C1 H4 110.727 O2 C1 H5 110.727
O2 N6 O7 113.980 H3 C1 H4 110.843
H3 C1 H5 110.843 H4 C1 H5 108.884
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.495      
2 O -0.070      
3 H 0.224      
4 H 0.197      
5 H 0.197      
6 N 0.026      
7 O -0.079      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.404 0.215 0.000 2.413
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.468 0.360 0.000
y 0.360 -25.331 0.000
z 0.000 0.000 -21.577
Traceless
 xyz
x 1.986 0.360 0.000
y 0.360 -3.809 0.000
z 0.000 0.000 1.823
Polar
3z2-r23.645
x2-y23.863
xy0.360
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.283 0.776 0.000
y 0.776 4.238 0.000
z 0.000 0.000 2.571


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000