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

using model chemistry: B97D3/3-21G*

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 B97D3/3-21G*
 hartrees
Energy at 0K-243.502690
Energy at 298.15K 
HF Energy-243.502690
Nuclear repulsion energy120.138113
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 B97D3/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3143 3143 3.94      
2 A' 3045 3045 0.74      
3 A' 1506 1506 14.11      
4 A' 1383 1383 1.54      
5 A' 1146 1146 93.21      
6 A' 1094 1094 2.40      
7 A' 787 787 8.79      
8 A' 573 573 11.38      
9 A' 518 518 3.29      
10 A" 3177 3177 1.56      
11 A" 1505 1505 2.64      
12 A" 1335 1335 96.54      
13 A" 1046 1046 13.95      
14 A" 417 417 0.26      
15 A" 37i 37i 0.33      

Unscaled Zero Point Vibrational Energy (zpe) 10317.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10317.9 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 B97D3/3-21G*
ABC
0.36705 0.33656 0.18177

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.003 -1.358 0.000
N2 -0.016 0.174 0.000
H3 1.057 -1.658 0.000
H4 -0.502 -1.682 0.912
H5 -0.502 -1.682 -0.912
O6 0.003 0.747 -1.154
O7 0.003 0.747 1.154

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.53221.09611.09141.09142.40012.4001
N21.53222.12332.12462.12461.28841.2884
H31.09612.12331.80601.80602.86832.8683
H41.09142.12461.80601.82383.22822.4923
H51.09142.12461.80601.82382.49233.2282
O62.40011.28842.86833.22822.49232.3083
O72.40011.28842.86832.49233.22822.3083

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 116.362 C1 N2 O7 116.362
N2 C1 H3 106.593 N2 C1 H4 106.953
N2 C1 H5 106.953 H3 C1 H4 111.290
H3 C1 H5 111.290 H4 C1 H5 113.336
O6 N2 O7 127.222
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.418      
2 N 0.220      
3 H 0.261      
4 H 0.250      
5 H 0.250      
6 O -0.282      
7 O -0.282      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.071 -3.367 0.000 3.367
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.256 -0.163 0.000
y -0.163 -21.560 0.000
z 0.000 0.000 -25.761
Traceless
 xyz
x 2.405 -0.163 0.000
y -0.163 1.949 0.000
z 0.000 0.000 -4.354
Polar
3z2-r2-8.707
x2-y20.304
xy-0.163
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.078 -0.008 0.000
y -0.008 3.590 0.000
z 0.000 0.000 4.558


<r2> (average value of r2) Å2
<r2> 67.478
(<r2>)1/2 8.215