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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31G**
 hartrees
Energy at 0K-244.772118
Energy at 298.15K 
HF Energy-244.772118
Nuclear repulsion energy125.370595
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 HSEh1PBE/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' 3214 3067 1.32      
2 A' 3109 2967 0.36      
3 A' 1499 1430 72.44      
4 A' 1478 1410 46.72      
5 A' 1412 1347 9.36      
6 A' 1141 1089 2.36      
7 A' 960 916 14.52      
8 A' 682 651 21.82      
9 A' 622 594 5.59      
10 A" 3247 3098 0.23      
11 A" 1747 1667 278.81      
12 A" 1471 1404 30.27      
13 A" 1114 1064 6.81      
14 A" 486 464 0.61      
15 A" 45 43 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 11113.5 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 10605.6 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 HSEh1PBE/6-31G**
ABC
0.41212 0.35600 0.19818

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.314 0.000
N2 -0.012 0.173 0.000
H3 1.048 -1.621 0.000
H4 -0.493 -1.658 0.906
H5 -0.493 -1.658 -0.906
O6 0.001 0.725 -1.085
O7 0.001 0.725 1.085

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48651.09151.08771.08772.30962.3096
N21.48652.08412.09842.09841.21751.2175
H31.09152.08411.78791.78792.78942.7894
H41.08772.09841.78791.81203.14432.4404
H51.08772.09841.78791.81202.44043.1443
O62.30961.21752.78943.14432.44042.1698
O72.30961.21752.78942.44043.14432.1698

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 116.979 C1 N2 O7 116.979
N2 C1 H3 106.881 N2 C1 H4 108.209
N2 C1 H5 108.209 H3 C1 H4 110.257
H3 C1 H5 110.257 H4 C1 H5 112.809
O6 N2 O7 126.011
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.269      
2 N 0.449      
3 H 0.196      
4 H 0.186      
5 H 0.186      
6 O -0.373      
7 O -0.373      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.054 -3.491 0.000 3.491
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.219 -0.124 0.000
y -0.124 -21.680 0.000
z 0.000 0.000 -25.879
Traceless
 xyz
x 2.560 -0.124 0.000
y -0.124 1.869 0.000
z 0.000 0.000 -4.429
Polar
3z2-r2-8.858
x2-y20.461
xy-0.124
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.543 -0.027 0.000
y -0.027 3.827 0.000
z 0.000 0.000 4.739


<r2> (average value of r2) Å2
<r2> 63.484
(<r2>)1/2 7.968