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

using model chemistry: B3LYP/SDD

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 B3LYP/SDD
 hartrees
Energy at 0K-244.977260
Energy at 298.15K 
HF Energy-244.977260
Nuclear repulsion energy121.342929
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 B3LYP/SDD
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' 3206 3082 5.62      
2 A' 3095 2975 1.05      
3 A' 1494 1437 23.00      
4 A' 1445 1389 2.29      
5 A' 1307 1256 74.58      
6 A' 1148 1103 2.17      
7 A' 873 839 5.46      
8 A' 623 599 24.93      
9 A' 574 552 3.90      
10 A" 3239 3113 1.57      
11 A" 1515 1457 44.95      
12 A" 1464 1407 189.26      
13 A" 1110 1067 16.10      
14 A" 458 440 0.51      
15 A" 15 14 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 10782.4 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 10365.1 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 B3LYP/SDD
ABC
0.38176 0.33764 0.18553

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.348 0.000
N2 -0.010 0.162 0.000
H3 1.048 -1.666 0.000
H4 -0.499 -1.689 0.906
H5 -0.499 -1.689 -0.906
O6 0.001 0.750 -1.131
O7 0.001 0.750 1.131

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.50981.09401.09011.09012.38352.3835
N21.50982.11202.11802.11801.27471.2747
H31.09402.11201.79321.79322.86572.8657
H41.09012.11801.79321.81293.21722.5002
H51.09012.11801.79321.81292.50023.2172
O62.38351.27472.86573.21722.50022.2612
O72.38351.27472.86572.50023.21722.2612

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 117.493 C1 N2 O7 117.493
N2 C1 H3 107.336 N2 C1 H4 108.019
N2 C1 H5 108.019 H3 C1 H4 110.378
H3 C1 H5 110.378 H4 C1 H5 112.517
O6 N2 O7 124.992
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.503      
2 N 0.182      
3 H 0.257      
4 H 0.253      
5 H 0.253      
6 O -0.220      
7 O -0.220      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.030 -4.089 0.000 4.089
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.570 -0.091 0.000
y -0.091 -22.207 0.000
z 0.000 0.000 -27.291
Traceless
 xyz
x 3.179 -0.091 0.000
y -0.091 2.224 0.000
z 0.000 0.000 -5.403
Polar
3z2-r2-10.806
x2-y20.637
xy-0.091
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.325 -0.065 0.000
y -0.065 3.740 0.000
z 0.000 0.000 5.251


<r2> (average value of r2) Å2
<r2> 67.063
(<r2>)1/2 8.189