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

using model chemistry: PBE1PBE/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 PBE1PBE/Def2TZVPP
 hartrees
Energy at 0K-244.854204
Energy at 298.15K 
HF Energy-244.854204
Nuclear repulsion energy125.959832
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 PBE1PBE/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' 3192 3192 1.49      
2 A' 3095 3095 0.35      
3 A' 1485 1485 70.25      
4 A' 1463 1463 42.79      
5 A' 1404 1404 12.28      
6 A' 1138 1138 1.71      
7 A' 961 961 14.33      
8 A' 685 685 19.13      
9 A' 631 631 5.01      
10 A" 3224 3224 0.09      
11 A" 1699 1699 353.53      
12 A" 1458 1458 35.52      
13 A" 1111 1111 9.18      
14 A" 488 488 0.86      
15 A" 27 27 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 11030.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11030.8 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 PBE1PBE/Def2TZVPP
ABC
0.41799 0.35734 0.19991

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.312 0.000
N2 -0.010 0.174 0.000
H3 1.046 -1.616 0.000
H4 -0.491 -1.655 0.905
H5 -0.491 -1.655 -0.905
O6 0.000 0.724 -1.077
O7 0.000 0.724 1.077

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48541.08901.08511.08512.30272.3027
N21.48542.07752.09592.09591.20921.2092
H31.08902.07751.78361.78362.77952.7795
H41.08512.09591.78361.80983.13452.4347
H51.08512.09591.78361.80982.43473.1345
O62.30271.20922.77953.13452.43472.1536
O72.30271.20922.77952.43473.13452.1536

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 117.056 C1 N2 O7 117.056
N2 C1 H3 106.589 N2 C1 H4 108.244
N2 C1 H5 108.244 H3 C1 H4 110.252
H3 C1 H5 110.252 H4 C1 H5 113.013
O6 N2 O7 125.870
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.202      
2 N 0.397      
3 H 0.131      
4 H 0.136      
5 H 0.136      
6 O -0.299      
7 O -0.299      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.032 -3.533 0.000 3.533
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.477 -0.087 0.000
y -0.087 -22.091 0.000
z 0.000 0.000 -26.331
Traceless
 xyz
x 2.734 -0.087 0.000
y -0.087 1.814 0.000
z 0.000 0.000 -4.547
Polar
3z2-r2-9.095
x2-y20.613
xy-0.087
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.054 -0.037 0.000
y -0.037 4.523 0.000
z 0.000 0.000 5.330


<r2> (average value of r2) Å2
<r2> 63.320
(<r2>)1/2 7.957