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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-245.029716
Energy at 298.15K 
HF Energy-245.029716
Nuclear repulsion energy124.902640
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 B3LYPultrafine/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' 3176 3064 1.89      
2 A' 3081 2973 0.82      
3 A' 1473 1422 11.88      
4 A' 1438 1387 75.31      
5 A' 1400 1351 22.50      
6 A' 1136 1096 1.40      
7 A' 928 896 14.50      
8 A' 664 641 17.71      
9 A' 616 594 4.98      
10 A" 3208 3095 0.65      
11 A" 1672 1614 258.78      
12 A" 1461 1410 31.82      
13 A" 1106 1067 8.99      
14 A" 476 459 0.64      
15 A" 16i 15i 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 10908.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 10527.0 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 B3LYPultrafine/6-31G(2df,p)
ABC
0.41029 0.35159 0.19640

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.324 0.000
N2 -0.010 0.176 0.000
H3 1.048 -1.632 0.000
H4 -0.494 -1.664 0.907
H5 -0.494 -1.664 -0.907
O6 0.001 0.729 -1.087
O7 0.001 0.729 1.087

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49971.09161.08771.08772.32332.3233
N21.49972.09452.10772.10771.22021.2202
H31.09162.09451.78911.78912.80252.8025
H41.08772.10771.78911.81403.15452.4506
H51.08772.10771.78911.81402.45063.1545
O62.32331.22022.80253.15452.45062.1749
O72.32331.22022.80252.45063.15452.1749

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 116.968 C1 N2 O7 116.968
N2 C1 H3 106.802 N2 C1 H4 108.036
N2 C1 H5 108.036 H3 C1 H4 110.364
H3 C1 H5 110.364 H4 C1 H5 112.992
O6 N2 O7 126.043
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.315      
2 N 0.533      
3 H 0.179      
4 H 0.172      
5 H 0.172      
6 O -0.371      
7 O -0.371      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.041 -3.347 0.000 3.347
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.152 -0.093 0.000
y -0.093 -21.675 0.000
z 0.000 0.000 -25.729
Traceless
 xyz
x 2.550 -0.093 0.000
y -0.093 1.765 0.000
z 0.000 0.000 -4.315
Polar
3z2-r2-8.630
x2-y20.523
xy-0.093
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.839 -0.024 0.000
y -0.024 4.189 0.000
z 0.000 0.000 4.806


<r2> (average value of r2) Å2
<r2> 63.868
(<r2>)1/2 7.992