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

using model chemistry: PBEPBEultrafine/aug-cc-pVTZ

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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-244.862994
Energy at 298.15K 
HF Energy-244.862994
Nuclear repulsion energy124.103441
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 PBEPBEultrafine/aug-cc-pVTZ
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' 3100 3065 2.07      
2 A' 3009 2975 0.61      
3 A' 1422 1406 12.02      
4 A' 1364 1349 33.83      
5 A' 1332 1317 72.35      
6 A' 1085 1073 0.73      
7 A' 891 881 16.41      
8 A' 637 630 10.26      
9 A' 592 585 3.08      
10 A" 3130 3095 0.18      
11 A" 1552 1535 282.84      
12 A" 1409 1393 46.62      
13 A" 1063 1051 8.72      
14 A" 463 458 0.85      
15 A" 23 22 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 10535.4 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 10417.4 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.40449 0.34787 0.19396

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.330 0.000
N2 -0.010 0.174 0.000
H3 1.054 -1.634 0.000
H4 -0.494 -1.675 0.911
H5 -0.494 -1.675 -0.911
O6 0.000 0.734 -1.095
O7 0.000 0.734 1.095

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.50461.09641.09241.09242.33702.3370
N21.50462.09782.11792.11791.23031.2303
H31.09642.09781.79621.79622.81382.8138
H41.09242.11791.79621.82283.17432.4662
H51.09242.11791.79621.82282.46623.1743
O62.33701.23032.81383.17432.46622.1910
O72.33701.23032.81382.46623.17432.1910

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 117.061 C1 N2 O7 117.061
N2 C1 H3 106.462 N2 C1 H4 108.222
N2 C1 H5 108.222 H3 C1 H4 110.295
H3 C1 H5 110.295 H4 C1 H5 113.083
O6 N2 O7 125.860
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.627      
2 N 0.829      
3 H 0.243      
4 H 0.312      
5 H 0.312      
6 O -0.534      
7 O -0.534      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.029 -3.428 0.000 3.428
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.863 -0.083 0.000
y -0.083 -22.527 0.000
z 0.000 0.000 -26.614
Traceless
 xyz
x 2.707 -0.083 0.000
y -0.083 1.712 0.000
z 0.000 0.000 -4.419
Polar
3z2-r2-8.838
x2-y20.664
xy-0.083
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.658 -0.039 0.000
y -0.039 5.580 0.000
z 0.000 0.000 5.936


<r2> (average value of r2) Å2
<r2> 64.979
(<r2>)1/2 8.061