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

using model chemistry: B97D3/6-31G(2df,p)

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 B97D3/6-31G(2df,p)
 hartrees
Energy at 0K-244.899261
Energy at 298.15K 
HF Energy-244.899261
Nuclear repulsion energy124.192168
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 B97D3/6-31G(2df,p)
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' 3130 3130 3.54      
2 A' 3029 3029 1.90      
3 A' 1444 1444 8.72      
4 A' 1385 1385 50.56      
5 A' 1354 1354 58.86      
6 A' 1102 1102 1.02      
7 A' 890 890 20.86      
8 A' 637 637 10.21      
9 A' 596 596 3.84      
10 A" 3159 3159 2.25      
11 A" 1616 1616 224.84      
12 A" 1432 1432 30.49      
13 A" 1076 1076 6.81      
14 A" 465 465 0.50      
15 A" 34i 34i 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 10638.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10638.9 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 B97D3/6-31G(2df,p)
ABC
0.40562 0.34710 0.19398

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.334 0.000
N2 -0.010 0.180 0.000
H3 1.052 -1.638 0.000
H4 -0.496 -1.675 0.910
H5 -0.496 -1.675 -0.910
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
C11.51351.09501.09141.09142.33842.3384
N21.51352.10592.12262.12261.22591.2259
H31.09502.10591.79591.79592.81552.8155
H41.09142.12261.79591.82043.17222.4658
H51.09142.12261.79591.82042.46583.1722
O62.33841.22592.81553.17222.46582.1878
O72.33841.22592.81552.46583.17222.1878

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 116.827 C1 N2 O7 116.827
N2 C1 H3 106.565 N2 C1 H4 108.044
N2 C1 H5 108.044 H3 C1 H4 110.453
H3 C1 H5 110.453 H4 C1 H5 113.013
O6 N2 O7 126.326
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.318      
2 N 0.545      
3 H 0.178      
4 H 0.172      
5 H 0.172      
6 O -0.375      
7 O -0.375      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.043 -3.188 0.000 3.189
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.075 -0.092 0.000
y -0.092 -21.591 0.000
z 0.000 0.000 -25.436
Traceless
 xyz
x 2.438 -0.092 0.000
y -0.092 1.665 0.000
z 0.000 0.000 -4.103
Polar
3z2-r2-8.206
x2-y20.516
xy-0.092
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.902 -0.023 0.000
y -0.023 4.393 0.000
z 0.000 0.000 4.858


<r2> (average value of r2) Å2
<r2> 64.376
(<r2>)1/2 8.023