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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-244.862582
Energy at 298.15K 
HF Energy-244.862582
Nuclear repulsion energy125.955780
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/6-311+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' 3187 3187 1.63      
2 A' 3092 3092 0.52      
3 A' 1485 1485 60.98      
4 A' 1464 1464 42.10      
5 A' 1406 1406 12.96      
6 A' 1139 1139 1.31      
7 A' 960 960 12.21      
8 A' 684 684 17.73      
9 A' 631 631 4.35      
10 A" 3219 3219 0.05      
11 A" 1694 1694 367.92      
12 A" 1461 1461 37.73      
13 A" 1113 1113 9.28      
14 A" 489 489 0.97      
15 A" 33 33 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 11027.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11027.5 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/6-311+G(3df,2p)
ABC
0.41816 0.35709 0.19986

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.312 0.000
N2 -0.009 0.174 0.000
H3 1.045 -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
C11.48611.08851.08471.08472.30342.3034
N21.48612.07762.09602.09601.20911.2091
H31.08852.07761.78301.78302.78002.7800
H41.08472.09601.78301.80943.13452.4350
H51.08472.09601.78301.80942.43503.1345
O62.30341.20912.78003.13452.43502.1531
O72.30341.20912.78002.43503.13452.1531

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 117.070 C1 N2 O7 117.070
N2 C1 H3 106.575 N2 C1 H4 108.228
N2 C1 H5 108.228 H3 C1 H4 110.259
H3 C1 H5 110.259 H4 C1 H5 113.042
O6 N2 O7 125.843
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.183      
2 N 0.494      
3 H 0.144      
4 H 0.149      
5 H 0.149      
6 O -0.559      
7 O -0.559      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.023 -3.563 0.000 3.564
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.657 -0.082 0.000
y -0.082 -22.236 0.000
z 0.000 0.000 -26.385
Traceless
 xyz
x 2.653 -0.082 0.000
y -0.082 1.785 0.000
z 0.000 0.000 -4.438
Polar
3z2-r2-8.875
x2-y20.579
xy-0.082
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.376 -0.037 0.000
y -0.037 4.982 0.000
z 0.000 0.000 5.545


<r2> (average value of r2) Å2
<r2> 63.408
(<r2>)1/2 7.963