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

using model chemistry: M06-2X/3-21G

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/3-21G
 hartrees
Energy at 0K-243.498626
Energy at 298.15K 
HF Energy-243.498626
Nuclear repulsion energy121.922269
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/3-21G
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 3079 0.50      
2 A' 3106 2978 0.06      
3 A' 1534 1470 16.64      
4 A' 1440 1381 3.38      
5 A' 1292 1239 80.23      
6 A' 1145 1098 1.88      
7 A' 872 836 2.85      
8 A' 630 604 27.66      
9 A' 556 533 5.17      
10 A" 3214 3081 0.61      
11 A" 1549 1485 5.43      
12 A" 1466 1406 152.28      
13 A" 1102 1057 19.83      
14 A" 442 424 0.35      
15 A" 85i 81i 0.17      

Unscaled Zero Point Vibrational Energy (zpe) 10736.9 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 10293.4 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 M06-2X/3-21G
ABC
0.37919 0.34645 0.18757

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.003 -1.336 0.000
N2 -0.015 0.168 0.000
H3 1.050 -1.641 0.000
H4 -0.501 -1.657 0.907
H5 -0.501 -1.657 -0.907
O6 0.003 0.737 -1.135
O7 0.003 0.737 1.135

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.50421.09131.08621.08622.36302.3630
N21.50422.09942.09562.09561.26921.2692
H31.09132.09941.79711.79712.83542.8354
H41.08622.09561.79711.81433.18652.4570
H51.08622.09561.79711.81432.45703.1865
O62.36301.26922.83543.18652.45702.2691
O72.36301.26922.83542.45703.18652.2691

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 116.606 C1 N2 O7 116.606
N2 C1 H3 106.894 N2 C1 H4 106.885
N2 C1 H5 106.885 H3 C1 H4 111.249
H3 C1 H5 111.249 H4 C1 H5 113.274
O6 N2 O7 126.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.394      
2 N 0.239      
3 H 0.270      
4 H 0.258      
5 H 0.258      
6 O -0.315      
7 O -0.315      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.065 -3.761 0.000 3.762
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.423 -0.165 0.000
y -0.165 -21.779 0.000
z 0.000 0.000 -26.537
Traceless
 xyz
x 2.736 -0.165 0.000
y -0.165 2.200 0.000
z 0.000 0.000 -4.936
Polar
3z2-r2-9.872
x2-y20.357
xy-0.165
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.993 -0.017 0.000
y -0.017 3.245 0.000
z 0.000 0.000 4.589


<r2> (average value of r2) Å2
<r2> 66.146
(<r2>)1/2 8.133