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

using model chemistry: B3LYP/aug-cc-pVQZ

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 B3LYP/aug-cc-pVQZ
 hartrees
Energy at 0K-245.133452
Energy at 298.15K 
HF Energy-245.133452
Nuclear repulsion energy125.153074
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 B3LYP/aug-cc-pVQZ
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' 3163 3065 2.00      
2 A' 3076 2980 0.75      
3 A' 1478 1432 11.89      
4 A' 1432 1387 42.81      
5 A' 1403 1359 52.64      
6 A' 1138 1102 0.78      
7 A' 927 899 11.94      
8 A' 663 643 16.26      
9 A' 617 598 4.88      
10 A" 3196 3096 0.19      
11 A" 1619 1568 336.36      
12 A" 1466 1420 47.78      
13 A" 1112 1078 13.11      
14 A" 482 467 1.13      
15 A" 34 33 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 10903.2 cm-1
Scaled (by 0.9689) Zero Point Vibrational Energy (zpe) 10564.1 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 B3LYP/aug-cc-pVQZ
ABC
0.41346 0.35155 0.19705

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.324 0.000
N2 -0.009 0.174 0.000
H3 1.044 -1.627 0.000
H4 -0.491 -1.664 0.903
H5 -0.491 -1.664 -0.903
O6 0.000 0.730 -1.083
O7 0.000 0.730 1.083

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49811.08711.08311.08312.32222.3222
N21.49812.08642.10402.10401.21771.2177
H31.08712.08641.78201.78202.79612.7961
H41.08312.10401.78201.80633.14962.4508
H51.08312.10401.78201.80632.45083.1496
O62.32221.21772.79613.14962.45082.1666
O72.32221.21772.79612.45083.14962.1666

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 117.166 C1 N2 O7 117.166
N2 C1 H3 106.542 N2 C1 H4 108.124
N2 C1 H5 108.124 H3 C1 H4 110.399
H3 C1 H5 110.399 H4 C1 H5 112.991
O6 N2 O7 125.651
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.749      
2 N 0.712      
3 H 0.305      
4 H 0.346      
5 H 0.346      
6 O -0.480      
7 O -0.480      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.021 -3.596 0.000 3.596
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.784 -0.075 0.000
y -0.075 -22.377 0.000
z 0.000 0.000 -26.722
Traceless
 xyz
x 2.765 -0.075 0.000
y -0.075 1.876 0.000
z 0.000 0.000 -4.641
Polar
3z2-r2-9.282
x2-y20.593
xy-0.075
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.545 -0.035 0.000
y -0.035 5.214 0.000
z 0.000 0.000 5.756


<r2> (average value of r2) Å2
<r2> 64.183
(<r2>)1/2 8.011