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

using model chemistry: PBEPBE/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-244.774455
Energy at 298.15K-244.778942
Nuclear repulsion energy122.008908
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/6-31G(2df,p)
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' 3108 3076 5.36      
2 A' 2972 2941 11.09      
3 A' 1650 1633 146.95      
4 A' 1433 1419 5.73      
5 A' 1377 1363 3.50      
6 A' 1134 1122 0.15      
7 A' 970 960 42.44      
8 A' 839 830 53.00      
9 A' 583 577 114.49      
10 A' 335 332 1.34      
11 A" 3045 3013 15.58      
12 A" 1417 1402 9.31      
13 A" 1113 1101 0.30      
14 A" 377 373 1.25      
15 A" 144 142 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 10247.8 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 10142.3 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/6-31G(2df,p)
ABC
0.66487 0.24564 0.18574

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.316 0.337 0.000
O2 0.000 0.911 0.000
H3 2.001 1.194 0.000
H4 1.472 -0.289 0.894
H5 1.472 -0.289 -0.894
N6 -1.056 -0.059 0.000
O7 -0.681 -1.190 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.43571.09731.10291.10292.40532.5136
O21.43572.02132.09942.09941.43412.2082
H31.09732.02131.81071.81073.30463.5883
H41.10292.09941.81071.78892.69222.4995
H51.10292.09941.81071.78892.69222.4995
N62.40531.43413.30462.69222.69221.1915
O72.51362.20823.58832.49952.49951.1915

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 113.887 O2 C1 H3 105.095
O2 C1 H4 110.909 O2 C1 H5 110.909
O2 N6 O7 114.176 H3 C1 H4 110.772
H3 C1 H5 110.772 H4 C1 H5 108.387
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.288      
2 O -0.185      
3 H 0.158      
4 H 0.153      
5 H 0.153      
6 N 0.171      
7 O -0.162      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.023 0.090 0.000 2.025
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.573 0.597 0.000
y 0.597 -24.592 0.000
z 0.000 0.000 -21.778
Traceless
 xyz
x 1.611 0.597 0.000
y 0.597 -2.917 0.000
z 0.000 0.000 1.305
Polar
3z2-r22.611
x2-y23.019
xy0.597
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.929 0.873 0.000
y 0.873 4.467 0.000
z 0.000 0.000 3.012


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