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

using model chemistry: HSEh1PBE/6-311G**

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/6-311G**
 hartrees
Energy at 0K-244.835741
Energy at 298.15K 
HF Energy-244.835741
Nuclear repulsion energy125.735927
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/6-311G**
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' 3195 3069 1.73      
2 A' 3096 2973 0.31      
3 A' 1486 1427 74.88      
4 A' 1467 1409 53.70      
5 A' 1405 1349 14.22      
6 A' 1138 1093 2.04      
7 A' 962 923 17.99      
8 A' 687 660 19.14      
9 A' 627 602 5.57      
10 A" 3227 3099 0.35      
11 A" 1721 1653 315.54      
12 A" 1460 1402 33.13      
13 A" 1113 1069 8.69      
14 A" 492 472 0.57      
15 A" 38 36 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 11055.0 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 10617.2 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/6-311G**
ABC
0.41622 0.35612 0.19916

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.315 0.000
N2 -0.012 0.175 0.000
H3 1.048 -1.618 0.000
H4 -0.492 -1.657 0.906
H5 -0.492 -1.657 -0.906
O6 0.001 0.724 -1.079
O7 0.001 0.724 1.079

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49011.09031.08651.08652.30702.3070
N21.49012.08332.09962.09961.21081.2108
H31.09032.08331.78721.78722.78352.7835
H41.08652.09961.78721.81123.13902.4381
H51.08652.09961.78721.81122.43813.1390
O62.30701.21082.78353.13902.43812.1582
O72.30701.21082.78352.43813.13902.1582

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 116.959 C1 N2 O7 116.959
N2 C1 H3 106.653 N2 C1 H4 108.128
N2 C1 H5 108.128 H3 C1 H4 110.380
H3 C1 H5 110.380 H4 C1 H5 112.922
O6 N2 O7 126.052
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.198      
2 N 0.249      
3 H 0.175      
4 H 0.161      
5 H 0.161      
6 O -0.274      
7 O -0.274      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.056 -3.518 0.000 3.518
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.324 -0.119 0.000
y -0.119 -21.966 0.000
z 0.000 0.000 -26.253
Traceless
 xyz
x 2.786 -0.119 0.000
y -0.119 1.822 0.000
z 0.000 0.000 -4.608
Polar
3z2-r2-9.216
x2-y20.642
xy-0.119
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.562 -0.027 0.000
y -0.027 3.957 0.000
z 0.000 0.000 4.908


<r2> (average value of r2) Å2
<r2> 63.425
(<r2>)1/2 7.964