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

using model chemistry: PBEPBEultrafine/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-244.856813
Energy at 298.15K 
HF Energy-244.856813
Nuclear repulsion energy124.216103
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/6-311+G(3df,2p)
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 3100 1.98      
2 A' 3009 3009 0.65      
3 A' 1423 1423 12.69      
4 A' 1372 1372 42.60      
5 A' 1338 1338 63.54      
6 A' 1088 1088 0.80      
7 A' 896 896 16.87      
8 A' 641 641 10.07      
9 A' 594 594 2.83      
10 A" 3131 3131 0.20      
11 A" 1566 1566 285.74      
12 A" 1412 1412 44.41      
13 A" 1066 1066 7.91      
14 A" 465 465 0.78      
15 A" 35 35 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 10567.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10567.8 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 PBEPBEultrafine/6-311+G(3df,2p)
ABC
0.40542 0.34829 0.19430

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.329 0.000
N2 -0.010 0.175 0.000
H3 1.053 -1.634 0.000
H4 -0.494 -1.675 0.911
H5 -0.494 -1.675 -0.911
O6 0.000 0.733 -1.094
O7 0.000 0.733 1.094

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.50421.09621.09231.09232.33502.3350
N21.50422.09832.11782.11781.22861.2286
H31.09622.09831.79541.79542.81292.8129
H41.09232.11781.79541.82223.17252.4652
H51.09232.11781.79541.82222.46523.1725
O62.33501.22862.81293.17252.46522.1883
O72.33501.22862.81292.46523.17252.1883

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 117.043 C1 N2 O7 117.043
N2 C1 H3 106.534 N2 C1 H4 108.256
N2 C1 H5 108.256 H3 C1 H4 110.250
H3 C1 H5 110.250 H4 C1 H5 113.042
O6 N2 O7 125.897
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.168      
2 N 0.388      
3 H 0.140      
4 H 0.142      
5 H 0.142      
6 O -0.491      
7 O -0.491      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.026 -3.440 0.000 3.441
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.893 -0.083 0.000
y -0.083 -22.516 0.000
z 0.000 0.000 -26.510
Traceless
 xyz
x 2.620 -0.083 0.000
y -0.083 1.685 0.000
z 0.000 0.000 -4.306
Polar
3z2-r2-8.611
x2-y20.623
xy-0.083
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.528 -0.043 0.000
y -0.043 5.421 0.000
z 0.000 0.000 5.801


<r2> (average value of r2) Å2
<r2> 64.883
(<r2>)1/2 8.055