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

using model chemistry: wB97X-D/6-31G(2df,p)

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 wB97X-D/6-31G(2df,p)
 hartrees
Energy at 0K-244.950130
Energy at 298.15K 
HF Energy-244.950130
Nuclear repulsion energy125.607328
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 wB97X-D/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' 3204 3204 1.48      
2 A' 3099 3099 0.74      
3 A' 1499 1499 71.23      
4 A' 1477 1477 33.99      
5 A' 1410 1410 7.09      
6 A' 1143 1143 1.80      
7 A' 962 962 11.72      
8 A' 687 687 22.00      
9 A' 626 626 4.80      
10 A" 3238 3238 0.34      
11 A" 1731 1731 295.97      
12 A" 1465 1465 30.56      
13 A" 1114 1114 8.47      
14 A" 487 487 0.76      
15 A" 21i 21i 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 11060.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11060.9 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 wB97X-D/6-31G(2df,p)
ABC
0.41554 0.35541 0.19879

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.315 0.000
N2 -0.010 0.174 0.000
H3 1.048 -1.621 0.000
H4 -0.493 -1.657 0.906
H5 -0.493 -1.657 -0.906
O6 0.001 0.726 -1.080
O7 0.001 0.726 1.080

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48941.09091.08731.08732.30932.3093
N21.48942.08382.09962.09961.21291.2129
H31.09092.08381.78821.78822.78772.7877
H41.08732.09961.78821.81253.14152.4400
H51.08732.09961.78821.81252.44003.1415
O62.30931.21292.78773.14152.44002.1600
O72.30931.21292.78772.44003.14152.1600

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 117.059 C1 N2 O7 117.059
N2 C1 H3 106.701 N2 C1 H4 108.128
N2 C1 H5 108.128 H3 C1 H4 110.359
H3 C1 H5 110.359 H4 C1 H5 112.922
O6 N2 O7 125.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.359      
2 N 0.552      
3 H 0.200      
4 H 0.194      
5 H 0.194      
6 O -0.391      
7 O -0.391      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.039 -3.439 0.000 3.439
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.064 -0.088 0.000
y -0.088 -21.522 0.000
z 0.000 0.000 -25.652
Traceless
 xyz
x 2.523 -0.088 0.000
y -0.088 1.836 0.000
z 0.000 0.000 -4.359
Polar
3z2-r2-8.718
x2-y20.458
xy-0.088
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.850 -0.025 0.000
y -0.025 4.093 0.000
z 0.000 0.000 4.809


<r2> (average value of r2) Å2
<r2> 63.242
(<r2>)1/2 7.952