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All results from a given calculation for CH3NO2 (Methane, nitro-)

using model chemistry: M06-2X/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS Os out of place 1A'
Energy calculated at M06-2X/6-31G**
 hartrees
Energy at 0K-244.902133
Energy at 298.15K 
HF Energy-244.902133
Nuclear repulsion energy125.483931
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 M06-2X/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' 3221 3061 0.61      
2 A' 3117 2962 0.17      
3 A' 1530 1454 102.17      
4 A' 1487 1413 17.00      
5 A' 1419 1349 5.89      
6 A' 1145 1088 2.17      
7 A' 971 923 11.99      
8 A' 689 655 27.56      
9 A' 621 590 6.71      
10 A" 3246 3085 0.00      
11 A" 1786 1697 330.70      
12 A" 1478 1404 28.30      
13 A" 1124 1068 9.83      
14 A" 492 468 0.84      
15 A" 89i 85i 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 11117.9 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 10566.5 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 M06-2X/6-31G**
ABC
0.41407 0.35524 0.19842

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.317 0.000
N2 -0.012 0.174 0.000
H3 1.049 -1.619 0.000
H4 -0.494 -1.653 0.907
H5 -0.494 -1.653 -0.907
O6 0.001 0.726 -1.082
O7 0.001 0.726 1.082

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49091.09031.08661.08662.31182.3118
N21.49092.08272.09552.09551.21481.2148
H31.09032.08271.79051.79052.78652.7865
H41.08662.09551.79051.81393.13992.4359
H51.08662.09551.79051.81392.43593.1399
O62.31181.21482.78653.13992.43592.1640
O72.31181.21482.78652.43593.13992.1640

picture of Methane, nitro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 O6 117.026 C1 N2 O7 117.026
N2 C1 H3 106.545 N2 C1 H4 107.747
N2 C1 H5 107.747 H3 C1 H4 110.667
H3 C1 H5 110.667 H4 C1 H5 113.160
O6 N2 O7 125.917
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.245      
2 N 0.453      
3 H 0.194      
4 H 0.184      
5 H 0.184      
6 O -0.385      
7 O -0.385      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.048 -3.627 0.000 3.627
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.328 -0.115 0.000
y -0.115 -21.731 0.000
z 0.000 0.000 -26.077
Traceless
 xyz
x 2.576 -0.115 0.000
y -0.115 1.971 0.000
z 0.000 0.000 -4.547
Polar
3z2-r2-9.094
x2-y20.403
xy-0.115
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.539 -0.021 0.000
y -0.021 3.761 0.000
z 0.000 0.000 4.796


<r2> (average value of r2) Å2
<r2> 63.493
(<r2>)1/2 7.968