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

using model chemistry: BLYP/6-31+G**

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 BLYP/6-31+G**
 hartrees
Energy at 0K-244.987962
Energy at 298.15K-244.992293
Nuclear repulsion energy119.903427
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 BLYP/6-31+G**
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' 3094 3078 6.35      
2 A' 2970 2955 16.07      
3 A' 1612 1603 210.23      
4 A' 1447 1440 4.57      
5 A' 1392 1384 5.81      
6 A' 1130 1124 0.04      
7 A' 924 919 57.81      
8 A' 791 787 49.98      
9 A' 506 503 157.23      
10 A' 308 306 0.29      
11 A" 3041 3025 19.54      
12 A" 1435 1428 10.15      
13 A" 1110 1104 0.49      
14 A" 352 350 2.68      
15 A" 133 132 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 10122.2 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 10068.5 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 BLYP/6-31+G**
ABC
0.65859 0.23179 0.17732

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.349 0.371 0.000
O2 0.000 0.922 0.000
H3 2.004 1.250 0.000
H4 1.517 -0.243 0.899
H5 1.517 -0.243 -0.899
N6 -1.080 -0.085 0.000
O7 -0.696 -1.221 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.45681.09681.10161.10162.47092.5917
O21.45682.03122.11332.11331.47612.2531
H31.09682.03121.80981.80983.36083.6608
H41.10162.11331.80981.79812.75262.5814
H51.10162.11331.80981.79812.75262.5814
N62.47091.47613.36082.75262.75261.1994
O72.59172.25313.66082.58142.58141.1994

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 114.806 O2 C1 H3 104.509
O2 C1 H4 110.616 O2 C1 H5 110.616
O2 N6 O7 114.331 H3 C1 H4 110.815
H3 C1 H5 110.815 H4 C1 H5 109.401
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.233      
2 O -0.054      
3 H 0.163      
4 H 0.162      
5 H 0.162      
6 N -0.221      
7 O 0.021      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.270 -0.068 0.000 2.271
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.086 0.827 0.000
y 0.827 -26.237 0.000
z 0.000 0.000 -22.672
Traceless
 xyz
x 2.369 0.827 0.000
y 0.827 -3.858 0.000
z 0.000 0.000 1.489
Polar
3z2-r22.979
x2-y24.151
xy0.827
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 69.256
(<r2>)1/2 8.322