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

using model chemistry: BLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-245.071260
Energy at 298.15K 
HF Energy-245.071260
Nuclear repulsion energy123.338140
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/cc-pVTZ
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' 3088 3079 3.24      
2 A' 3005 2996 1.08      
3 A' 1440 1435 10.15      
4 A' 1368 1364 2.61      
5 A' 1302 1298 106.66      
6 A' 1092 1089 0.64      
7 A' 863 860 20.49      
8 A' 618 616 9.50      
9 A' 582 580 4.10      
10 A" 3119 3109 1.32      
11 A" 1513 1508 206.69      
12 A" 1425 1420 66.04      
13 A" 1068 1064 11.88      
14 A" 459 458 0.64      
15 A" 10 10 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 10474.1 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 10442.7 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/cc-pVTZ
ABC
0.40005 0.34228 0.19119

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.343 0.000
N2 -0.009 0.177 0.000
H3 1.050 -1.650 0.000
H4 -0.496 -1.683 0.909
H5 -0.496 -1.683 -0.909
O6 0.000 0.740 -1.102
O7 0.000 0.740 1.102

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.52081.09381.09011.09012.35652.3565
N21.52082.11212.12742.12741.23731.2373
H31.09382.11211.79411.79412.83292.8329
H41.09012.12741.79411.81773.18782.4810
H51.09012.12741.79411.81772.48103.1878
O62.35651.23732.83293.18782.48102.2045
O72.35651.23732.83292.48103.18782.2045

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 117.016 C1 N2 O7 117.016
N2 C1 H3 106.627 N2 C1 H4 108.010
N2 C1 H5 108.010 H3 C1 H4 110.478
H3 C1 H5 110.478 H4 C1 H5 112.972
O6 N2 O7 125.951
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.156      
2 N 0.291      
3 H 0.122      
4 H 0.116      
5 H 0.116      
6 O -0.245      
7 O -0.245      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.037 -3.338 0.000 3.338
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.685 -0.086 0.000
y -0.086 -22.271 0.000
z 0.000 0.000 -26.457
Traceless
 xyz
x 2.679 -0.086 0.000
y -0.086 1.800 0.000
z 0.000 0.000 -4.479
Polar
3z2-r2-8.959
x2-y20.586
xy-0.086
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.032 -0.023 0.000
y -0.023 4.747 0.000
z 0.000 0.000 5.355


<r2> (average value of r2) Å2
<r2> 65.534
(<r2>)1/2 8.095