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

using model chemistry: PBE1PBE/6-31G*

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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-244.742169
Energy at 298.15K-244.746919
HF Energy-244.742169
Nuclear repulsion energy124.014835
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 PBE1PBE/6-31G*
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' 3224 3064 6.07      
2 A' 3091 2938 10.60      
3 A' 1750 1663 152.96      
4 A' 1515 1440 8.08      
5 A' 1463 1390 2.83      
6 A' 1205 1145 0.51      
7 A' 1059 1006 121.90      
8 A' 918 872 89.10      
9 A' 752 714 69.04      
10 A' 365 347 3.47      
11 A" 3172 3015 15.16      
12 A" 1503 1429 10.74      
13 A" 1172 1114 0.61      
14 A" 390 371 2.53      
15 A" 200 190 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 10889.6 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 10348.4 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 PBE1PBE/6-31G*
ABC
0.68260 0.25469 0.19225

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.310 0.310 0.000
O2 0.000 0.879 0.000
H3 1.981 1.168 0.000
H4 1.466 -0.306 0.890
H5 1.466 -0.306 -0.890
N6 -1.034 -0.024 0.000
O7 -0.692 -1.160 0.000

Atom - Atom Distances (Å)
  C1 O2 H3 H4 H5 N6 O7
C11.42781.08931.09401.09402.36682.4834
O21.42782.00232.08442.08441.37212.1530
H31.08932.00231.79731.79733.24173.5446
H41.09402.08441.79731.78102.66802.4855
H51.09402.08441.79731.78102.66802.4855
N62.36681.37213.24172.66802.66801.1865
O72.48342.15303.54462.48552.48551.1865

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 115.397 O2 C1 H3 104.594
O2 C1 H4 110.798 O2 C1 H5 110.798
O2 N6 O7 114.400 H3 C1 H4 110.818
H3 C1 H5 110.818 H4 C1 H5 108.978
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.314      
2 O -0.336      
3 H 0.210      
4 H 0.202      
5 H 0.202      
6 N 0.309      
7 O -0.273      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.243 0.218 0.000 2.254
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.453 0.400 0.000
y 0.400 -25.131 0.000
z 0.000 0.000 -21.732
Traceless
 xyz
x 1.978 0.400 0.000
y 0.400 -3.538 0.000
z 0.000 0.000 1.560
Polar
3z2-r23.121
x2-y23.678
xy0.400
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.216 0.750 0.000
y 0.750 4.087 0.000
z 0.000 0.000 2.640


<r2> (average value of r2) Å2
<r2> 64.703
(<r2>)1/2 8.044