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

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

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/6-31+G**
 hartrees
Energy at 0K-244.990848
Energy at 298.15K 
HF Energy-244.990848
Nuclear repulsion energy122.628986
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/6-31+G**
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' 3105 3088 2.45      
2 A' 3012 2996 1.35      
3 A' 1441 1434 12.53      
4 A' 1374 1367 2.56      
5 A' 1312 1305 96.80      
6 A' 1093 1087 0.49      
7 A' 859 855 13.87      
8 A' 615 612 10.79      
9 A' 573 570 3.31      
10 A" 3136 3119 0.53      
11 A" 1516 1508 243.52      
12 A" 1426 1419 71.11      
13 A" 1071 1065 12.37      
14 A" 458 455 0.86      
15 A" 27 26 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 10508.3 cm-1
Scaled (by 0.9947) Zero Point Vibrational Energy (zpe) 10452.6 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/6-31+G**
ABC
0.39483 0.33949 0.18920

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.348 0.000
N2 -0.010 0.173 0.000
H3 1.057 -1.652 0.000
H4 -0.498 -1.689 0.913
H5 -0.498 -1.689 -0.913
O6 0.001 0.744 -1.110
O7 0.001 0.744 1.110

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.52121.09891.09511.09512.36812.3681
N21.52122.11412.13102.13101.24791.2479
H31.09892.11411.80351.80352.84382.8438
H41.09512.13101.80351.82643.20352.4918
H51.09512.13101.80351.82642.49183.2035
O62.36811.24792.84383.20352.49182.2193
O72.36811.24792.84382.49183.20352.2193

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 117.218 C1 N2 O7 117.218
N2 C1 H3 106.471 N2 C1 H4 107.970
N2 C1 H5 107.970 H3 C1 H4 110.570
H3 C1 H5 110.570 H4 C1 H5 113.007
O6 N2 O7 125.543
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.341      
2 N -0.026      
3 H 0.187      
4 H 0.187      
5 H 0.187      
6 O -0.098      
7 O -0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.029 -3.702 0.000 3.702
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.109 -0.091 0.000
y -0.091 -22.737 0.000
z 0.000 0.000 -27.045
Traceless
 xyz
x 2.782 -0.091 0.000
y -0.091 1.839 0.000
z 0.000 0.000 -4.622
Polar
3z2-r2-9.244
x2-y20.629
xy-0.091
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.217 -0.057 0.000
y -0.057 5.086 0.000
z 0.000 0.000 5.851


<r2> (average value of r2) Å2
<r2> 66.356
(<r2>)1/2 8.146