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

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/6-311G*
 hartrees
Energy at 0K-245.077552
Energy at 298.15K 
HF Energy-245.077552
Nuclear repulsion energy124.883881
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/6-311G*
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' 3175 3068 3.79      
2 A' 3084 2980 1.16      
3 A' 1492 1442 12.49      
4 A' 1433 1385 43.65      
5 A' 1410 1362 75.24      
6 A' 1144 1106 1.29      
7 A' 930 899 17.16      
8 A' 666 643 17.17      
9 A' 613 592 6.04      
10 A" 3207 3099 1.86      
11 A" 1652 1597 274.31      
12 A" 1479 1430 42.79      
13 A" 1119 1082 11.85      
14 A" 484 468 0.59      
15 A" 21 20 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 10954.6 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 10585.4 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/6-311G*
ABC
0.41076 0.35070 0.19622

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.326 0.000
N2 -0.012 0.177 0.000
H3 1.048 -1.630 0.000
H4 -0.493 -1.667 0.904
H5 -0.493 -1.667 -0.904
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
C11.50231.08971.08581.08582.32562.3256
N21.50232.09442.10932.10931.21991.2199
H31.08972.09441.78711.78712.80102.8010
H41.08582.10931.78711.80843.15562.4550
H51.08582.10931.78711.80842.45503.1556
O62.32561.21992.80103.15562.45502.1739
O72.32561.21992.80102.45503.15562.1739

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 116.984 C1 N2 O7 116.984
N2 C1 H3 106.720 N2 C1 H4 108.093
N2 C1 H5 108.093 H3 C1 H4 110.462
H3 C1 H5 110.462 H4 C1 H5 112.769
O6 N2 O7 125.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.492      
2 N 0.266      
3 H 0.260      
4 H 0.249      
5 H 0.249      
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
  0.050 -3.516 0.000 3.517
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.445 -0.110 0.000
y -0.110 -22.118 0.000
z 0.000 0.000 -26.433
Traceless
 xyz
x 2.831 -0.110 0.000
y -0.110 1.821 0.000
z 0.000 0.000 -4.652
Polar
3z2-r2-9.303
x2-y20.673
xy-0.110
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.544 -0.024 0.000
y -0.024 3.969 0.000
z 0.000 0.000 4.930


<r2> (average value of r2) Å2
<r2> 64.208
(<r2>)1/2 8.013