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

using model chemistry: M06-2X/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-245.010948
Energy at 298.15K 
HF Energy-245.010948
Nuclear repulsion energy125.994601
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/Def2TZVPP
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' 3200 3200 0.78      
2 A' 3101 3101 0.24      
3 A' 1515 1515 92.62      
4 A' 1478 1478 18.81      
5 A' 1415 1415 6.03      
6 A' 1146 1146 1.49      
7 A' 972 972 10.83      
8 A' 693 693 24.43      
9 A' 634 634 6.10      
10 A" 3222 3222 0.06      
11 A" 1725 1725 423.20      
12 A" 1470 1470 33.58      
13 A" 1123 1123 13.70      
14 A" 497 497 1.14      
15 A" 82i 82i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11054.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11054.1 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/Def2TZVPP
ABC
0.41920 0.35630 0.19987

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.316 0.000
N2 -0.010 0.174 0.000
H3 1.046 -1.612 0.000
H4 -0.492 -1.651 0.905
H5 -0.492 -1.651 -0.905
O6 0.000 0.724 -1.075
O7 0.000 0.724 1.075

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49041.08721.08321.08322.30632.3063
N21.49042.07572.09372.09371.20761.2076
H31.08722.07571.78481.78482.77682.7768
H41.08322.09371.78481.81003.13152.4320
H51.08322.09371.78481.81002.43203.1315
O62.30631.20762.77683.13152.43202.1501
O72.30631.20762.77682.43203.13152.1501

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 117.092 C1 N2 O7 117.092
N2 C1 H3 106.226 N2 C1 H4 107.835
N2 C1 H5 107.835 H3 C1 H4 110.643
H3 C1 H5 110.643 H4 C1 H5 113.325
O6 N2 O7 125.796
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.284      
2 N 0.404      
3 H 0.171      
4 H 0.166      
5 H 0.166      
6 O -0.311      
7 O -0.311      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.024 -3.693 0.000 3.693
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.636 -0.077 0.000
y -0.077 -22.104 0.000
z 0.000 0.000 -26.559
Traceless
 xyz
x 2.695 -0.077 0.000
y -0.077 1.994 0.000
z 0.000 0.000 -4.689
Polar
3z2-r2-9.378
x2-y20.468
xy-0.077
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.036 -0.031 0.000
y -0.031 4.426 0.000
z 0.000 0.000 5.385


<r2> (average value of r2) Å2
<r2> 63.397
(<r2>)1/2 7.962