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

using model chemistry: B3LYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-241.703627
Energy at 298.15K 
HF Energy-241.703627
Nuclear repulsion energy117.125769
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/STO-3G
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' 3495 3119 0.94      
2 A' 3304 2949 5.57      
3 A' 1609 1436 7.66      
4 A' 1474 1315 0.07      
5 A' 1277 1140 40.85      
6 A' 1094 976 0.20      
7 A' 850 758 15.28      
8 A' 540 482 10.51      
9 A' 485 433 0.23      
10 A" 3510 3132 1.72      
11 A" 1636 1460 2.32      
12 A" 1596 1425 32.38      
13 A" 1081 964 0.71      
14 A" 397 355 0.50      
15 A" 29i 26i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11159.6 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 9958.8 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/STO-3G
ABC
0.35475 0.31285 0.17185

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.407 0.000
N2 -0.003 0.178 0.000
H3 1.051 -1.743 0.000
H4 -0.518 -1.744 0.913
H5 -0.518 -1.744 -0.913
O6 0.000 0.776 -1.175
O7 0.000 0.776 1.175

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.58521.10351.10241.10242.47942.4794
N21.58522.19182.18932.18931.31871.3187
H31.10352.19181.81531.81532.97222.9722
H41.10242.18931.81531.82553.31362.5863
H51.10242.18931.81531.82552.58633.3136
O62.47941.31872.97223.31362.58632.3505
O72.47941.31872.97222.58633.31362.3505

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 116.968 C1 N2 O7 116.968
N2 C1 H3 107.867 N2 C1 H4 107.745
N2 C1 H5 107.745 H3 C1 H4 110.761
H3 C1 H5 110.761 H4 C1 H5 111.787
O6 N2 O7 126.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.151      
2 N 0.074      
3 H 0.108      
4 H 0.110      
5 H 0.110      
6 O -0.125      
7 O -0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.015 -2.502 0.000 2.503
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.660 -0.025 0.000
y -0.025 -19.948 0.000
z 0.000 0.000 -23.116
Traceless
 xyz
x 1.872 -0.025 0.000
y -0.025 1.439 0.000
z 0.000 0.000 -3.312
Polar
3z2-r2-6.623
x2-y20.289
xy-0.025
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.165 -0.013 0.000
y -0.013 2.513 0.000
z 0.000 0.000 3.139


<r2> (average value of r2) Å2
<r2> 69.329
(<r2>)1/2 8.326