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

using model chemistry: B3LYP/6-311G**

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/6-311G**
 hartrees
Energy at 0K-245.081687
Energy at 298.15K 
HF Energy-245.081687
Nuclear repulsion energy124.866916
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/6-311G**
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' 3167 3062 2.51      
2 A' 3076 2974 0.62      
3 A' 1478 1429 13.14      
4 A' 1429 1381 69.10      
5 A' 1402 1355 50.36      
6 A' 1134 1096 1.36      
7 A' 928 898 17.93      
8 A' 664 642 17.20      
9 A' 612 592 5.76      
10 A" 3198 3092 0.78      
11 A" 1650 1595 279.90      
12 A" 1464 1416 37.54      
13 A" 1108 1072 11.19      
14 A" 482 466 0.59      
15 A" 35 34 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 10913.9 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 10551.6 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 B3LYP/6-311G**
ABC
0.41084 0.35041 0.19615

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.327 0.000
N2 -0.012 0.177 0.000
H3 1.048 -1.630 0.000
H4 -0.494 -1.666 0.905
H5 -0.494 -1.666 -0.905
O6 0.001 0.730 -1.087
O7 0.001 0.730 1.087

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.50331.08991.08611.08612.32672.3267
N21.50332.09452.10902.10901.21991.2199
H31.08992.09451.78811.78812.80172.8017
H41.08612.10901.78811.81043.15552.4541
H51.08612.10901.78811.81042.45413.1555
O62.32671.21992.80173.15552.45412.1735
O72.32671.21992.80172.45413.15552.1735

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 117.001 C1 N2 O7 117.001
N2 C1 H3 106.654 N2 C1 H4 107.983
N2 C1 H5 107.983 H3 C1 H4 110.519
H3 C1 H5 110.519 H4 C1 H5 112.918
O6 N2 O7 125.968
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.158      
2 N 0.236      
3 H 0.160      
4 H 0.147      
5 H 0.147      
6 O -0.266      
7 O -0.266      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.052 -3.517 0.000 3.517
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.429 -0.114 0.000
y -0.114 -22.068 0.000
z 0.000 0.000 -26.409
Traceless
 xyz
x 2.810 -0.114 0.000
y -0.114 1.851 0.000
z 0.000 0.000 -4.660
Polar
3z2-r2-9.321
x2-y20.639
xy-0.114
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.577 -0.024 0.000
y -0.024 4.035 0.000
z 0.000 0.000 4.952


<r2> (average value of r2) Å2
<r2> 64.204
(<r2>)1/2 8.013