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

using model chemistry: BLYP/6-31G**

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 BLYP/6-31G**
 hartrees
Energy at 0K-244.972084
Energy at 298.15K 
HF Energy-244.972084
Nuclear repulsion energy122.767308
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 BLYP/6-31G**
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' 3107 3083 3.38      
2 A' 3014 2991 1.17      
3 A' 1450 1439 9.36      
4 A' 1371 1360 5.86      
5 A' 1322 1311 101.54      
6 A' 1092 1084 1.03      
7 A' 865 858 18.50      
8 A' 618 614 12.36      
9 A' 573 568 4.31      
10 A" 3138 3114 1.83      
11 A" 1558 1546 180.69      
12 A" 1435 1424 41.42      
13 A" 1067 1059 7.95      
14 A" 455 451 0.47      
15 A" 31 31 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 10546.8 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 10465.6 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 BLYP/6-31G**
ABC
0.39434 0.34132 0.18965

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.344 0.000
N2 -0.012 0.176 0.000
H3 1.055 -1.653 0.000
H4 -0.498 -1.687 0.912
H5 -0.498 -1.687 -0.912
O6 0.001 0.741 -1.110
O7 0.001 0.741 1.110

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.52061.09861.09481.09482.36242.3624
N21.52062.11822.13092.13091.24581.2458
H31.09862.11821.80171.80172.84212.8421
H41.09482.13091.80171.82423.19922.4867
H51.09482.13091.80171.82422.48673.1992
O62.36241.24582.84213.19922.48672.2209
O72.36241.24582.84212.48673.19922.2209

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 116.941 C1 N2 O7 116.941
N2 C1 H3 106.835 N2 C1 H4 108.015
N2 C1 H5 108.015 H3 C1 H4 110.448
H3 C1 H5 110.448 H4 C1 H5 112.837
O6 N2 O7 126.089
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.174      
2 N 0.406      
3 H 0.158      
4 H 0.147      
5 H 0.147      
6 O -0.342      
7 O -0.342      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.054 -3.307 0.000 3.308
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.334 -0.123 0.000
y -0.123 -21.778 0.000
z 0.000 0.000 -25.825
Traceless
 xyz
x 2.467 -0.123 0.000
y -0.123 1.802 0.000
z 0.000 0.000 -4.269
Polar
3z2-r2-8.538
x2-y20.444
xy-0.123
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.592 -0.021 0.000
y -0.021 4.119 0.000
z 0.000 0.000 4.855


<r2> (average value of r2) Å2
<r2> 65.625
(<r2>)1/2 8.101