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

using model chemistry: TPSSh/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 TPSSh/6-311G**
 hartrees
Energy at 0K-245.087805
Energy at 298.15K 
HF Energy-245.087805
Nuclear repulsion energy124.603323
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 TPSSh/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3174 3174 3.58      
2 A' 3078 3078 0.94      
3 A' 1490 1490 11.46      
4 A' 1420 1420 35.41      
5 A' 1397 1397 82.00      
6 A' 1132 1132 0.73      
7 A' 918 918 16.69      
8 A' 653 653 16.64      
9 A' 602 602 5.30      
10 A" 3204 3204 1.59      
11 A" 1635 1635 263.21      
12 A" 1478 1478 40.43      
13 A" 1107 1107 12.24      
14 A" 467 467 0.39      
15 A" 43 43 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 10898.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10898.6 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 TPSSh/6-311G**
ABC
0.40829 0.34966 0.19536

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.329 0.000
N2 -0.012 0.176 0.000
H3 1.049 -1.629 0.000
H4 -0.495 -1.665 0.907
H5 -0.495 -1.665 -0.907
O6 0.001 0.731 -1.090
O7 0.001 0.731 1.090

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.50541.09011.08651.08652.33112.3311
N21.50542.09362.10822.10821.22351.2235
H31.09012.09361.79081.79082.80302.8030
H41.08652.10821.79081.81333.15832.4538
H51.08652.10821.79081.81332.45383.1583
O62.33111.22352.80303.15832.45382.1806
O72.33111.22352.80302.45383.15832.1806

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 116.972 C1 N2 O7 116.972
N2 C1 H3 106.434 N2 C1 H4 107.762
N2 C1 H5 107.762 H3 C1 H4 110.723
H3 C1 H5 110.723 H4 C1 H5 113.123
O6 N2 O7 126.026
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.155      
2 N 0.246      
3 H 0.162      
4 H 0.149      
5 H 0.149      
6 O -0.276      
7 O -0.276      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.051 -3.493 0.000 3.493
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.579 -0.025 0.000
y -0.025 4.089 0.000
z 0.000 0.000 4.984


<r2> (average value of r2) Å2
<r2> 64.285
(<r2>)1/2 8.018