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

using model chemistry: PBEPBEultrafine/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-244.780263
Energy at 298.15K 
HF Energy-244.780263
Nuclear repulsion energy123.511871
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/6-31+G**
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' 3124 3088 1.68      
2 A' 3022 2988 0.71      
3 A' 1430 1414 13.83      
4 A' 1376 1360 45.40      
5 A' 1344 1329 64.96      
6 A' 1088 1076 0.94      
7 A' 891 881 15.63      
8 A' 636 629 11.18      
9 A' 586 579 2.85      
10 A" 3154 3118 0.10      
11 A" 1582 1563 286.48      
12 A" 1416 1400 43.22      
13 A" 1068 1056 7.64      
14 A" 465 459 0.71      
15 A" 15 15 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 10597.5 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 10476.7 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/6-31+G**
ABC
0.39970 0.34572 0.19224

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.334 0.000
N2 -0.011 0.172 0.000
H3 1.057 -1.639 0.000
H4 -0.496 -1.680 0.914
H5 -0.496 -1.680 -0.914
O6 0.000 0.737 -1.102
O7 0.000 0.737 1.102

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.50621.09981.09611.09612.34592.3459
N21.50622.10292.12162.12161.23861.2386
H31.09982.10291.80261.80262.82462.8246
H41.09612.12161.80261.82773.18632.4745
H51.09612.12161.80261.82772.47453.1863
O62.34591.23862.82463.18632.47452.2046
O72.34591.23862.82462.47453.18632.2046

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 117.121 C1 N2 O7 117.121
N2 C1 H3 106.554 N2 C1 H4 108.196
N2 C1 H5 108.196 H3 C1 H4 110.341
H3 C1 H5 110.341 H4 C1 H5 112.961
O6 N2 O7 125.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.426      
2 N -0.002      
3 H 0.211      
4 H 0.208      
5 H 0.208      
6 O -0.099      
7 O -0.099      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.034 -3.625 0.000 3.625
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.962 -0.102 0.000
y -0.102 -22.615 0.000
z 0.000 0.000 -26.760
Traceless
 xyz
x 2.726 -0.102 0.000
y -0.102 1.746 0.000
z 0.000 0.000 -4.472
Polar
3z2-r2-8.944
x2-y20.653
xy-0.102
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.183 -0.057 0.000
y -0.057 4.991 0.000
z 0.000 0.000 5.744


<r2> (average value of r2) Å2
<r2> 65.478
(<r2>)1/2 8.092