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

using model chemistry: wB97X-D/CEP-31G*

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 wB97X-D/CEP-31G*
 hartrees
Energy at 0K-49.210706
Energy at 298.15K 
HF Energy-49.210706
Nuclear repulsion energy69.450267
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 wB97X-D/CEP-31G*
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' 3222 3222 12.39      
2 A' 3122 3122 6.03      
3 A' 1494 1494 18.90      
4 A' 1474 1474 75.39      
5 A' 1423 1423 4.95      
6 A' 1140 1140 2.16      
7 A' 940 940 5.41      
8 A' 656 656 29.37      
9 A' 596 596 5.44      
10 A" 3247 3247 5.57      
11 A" 1701 1701 340.62      
12 A" 1474 1474 33.22      
13 A" 1121 1121 9.98      
14 A" 473 473 0.76      
15 A" 67i 67i 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 11007.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11007.5 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 wB97X-D/CEP-31G*
ABC
0.40163 0.34590 0.19275

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.334 0.000
N2 -0.011 0.171 0.000
H3 1.056 -1.637 0.000
H4 -0.498 -1.675 0.912
H5 -0.498 -1.675 -0.912
O6 0.001 0.737 -1.099
O7 0.001 0.737 1.099

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.50491.09761.09461.09462.34492.3449
N21.50492.09952.11632.11631.23681.2368
H31.09762.09951.80251.80252.82142.8214
H41.09462.11631.80251.82473.18092.4709
H51.09462.11631.80251.82472.47093.1809
O62.34491.23682.82143.18092.47092.1989
O72.34491.23682.82142.47093.18092.1989

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 117.246 C1 N2 O7 117.246
N2 C1 H3 106.504 N2 C1 H4 107.957
N2 C1 H5 107.957 H3 C1 H4 110.613
H3 C1 H5 110.613 H4 C1 H5 112.916
O6 N2 O7 125.482
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.544      
2 N 0.177      
3 H 0.214      
4 H 0.225      
5 H 0.225      
6 O -0.148      
7 O -0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.021 -3.832 0.000 3.832
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.153 -0.072 0.000
y -0.072 -21.611 0.000
z 0.000 0.000 -26.135
Traceless
 xyz
x 2.719 -0.072 0.000
y -0.072 2.033 0.000
z 0.000 0.000 -4.753
Polar
3z2-r2-9.506
x2-y20.457
xy-0.072
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.478 -0.072 0.000
y -0.072 3.860 0.000
z 0.000 0.000 5.153


<r2> (average value of r2) Å2
<r2> 54.208
(<r2>)1/2 7.363