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

using model chemistry: B1B95/6-311+G(3df,2p)

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 B1B95/6-311+G(3df,2p)
 hartrees
Energy at 0K-245.015228
Energy at 298.15K 
HF Energy-245.015228
Nuclear repulsion energy126.092157
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 B1B95/6-311+G(3df,2p)
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' 3196 3196 1.59      
2 A' 3101 3101 0.55      
3 A' 1488 1488 55.79      
4 A' 1468 1468 45.51      
5 A' 1409 1409 11.29      
6 A' 1141 1141 1.19      
7 A' 959 959 11.26      
8 A' 681 681 18.99      
9 A' 628 628 4.71      
10 A" 3228 3228 0.06      
11 A" 1693 1693 370.32      
12 A" 1467 1467 38.07      
13 A" 1114 1114 10.22      
14 A" 482 482 0.87      
15 A" 35 35 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 11044.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11044.9 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 B1B95/6-311+G(3df,2p)
ABC
0.41897 0.35786 0.20025

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.312 0.000
N2 -0.009 0.173 0.000
H3 1.043 -1.614 0.000
H4 -0.490 -1.651 0.902
H5 -0.490 -1.651 -0.902
O6 0.000 0.723 -1.076
O7 0.000 0.723 1.076

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48491.08551.08171.08172.30162.3016
N21.48492.07412.09142.09141.20811.2081
H31.08552.07411.77901.77902.77632.7763
H41.08172.09141.77901.80493.12892.4305
H51.08172.09141.77901.80492.43053.1289
O62.30161.20812.77633.12892.43052.1513
O72.30161.20812.77632.43053.12892.1513

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 117.073 C1 N2 O7 117.073
N2 C1 H3 106.558 N2 C1 H4 108.117
N2 C1 H5 108.117 H3 C1 H4 110.347
H3 C1 H5 110.347 H4 C1 H5 113.092
O6 N2 O7 125.838
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.067      
2 N 0.488      
3 H 0.170      
4 H 0.177      
5 H 0.177      
6 O -0.539      
7 O -0.539      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.022 -3.582 0.000 3.582
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.590 -0.079 0.000
y -0.079 -22.143 0.000
z 0.000 0.000 -26.336
Traceless
 xyz
x 2.650 -0.079 0.000
y -0.079 1.819 0.000
z 0.000 0.000 -4.469
Polar
3z2-r2-8.938
x2-y20.554
xy-0.079
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.352 -0.036 0.000
y -0.036 4.939 0.000
z 0.000 0.000 5.528


<r2> (average value of r2) Å2
<r2> 63.255
(<r2>)1/2 7.953