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

using model chemistry: B3LYP/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-244.976434
Energy at 298.15K 
HF Energy-244.976434
Nuclear repulsion energy121.341297
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/LANL2DZ
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 3081 5.50      
2 A' 3095 2975 0.98      
3 A' 1495 1437 23.12      
4 A' 1446 1390 2.39      
5 A' 1307 1256 74.78      
6 A' 1148 1104 2.20      
7 A' 874 840 5.34      
8 A' 623 599 24.91      
9 A' 574 552 3.80      
10 A" 3239 3113 1.51      
11 A" 1515 1456 41.15      
12 A" 1463 1406 192.05      
13 A" 1111 1068 16.20      
14 A" 458 440 0.51      
15 A" 16 15 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 10784.5 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 10366.0 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/LANL2DZ
ABC
0.38172 0.33768 0.18553

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.348 0.000
N2 -0.010 0.161 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
C11.50951.09401.09011.09012.38352.3835
N21.50952.11172.11772.11771.27481.2748
H31.09402.11171.79321.79322.86572.8657
H41.09012.11771.79321.81293.21712.5000
H51.09012.11771.79321.81292.50003.2171
O62.38351.27482.86573.21712.50002.2613
O72.38351.27482.86572.50003.21712.2613

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 117.501 C1 N2 O7 117.501
N2 C1 H3 107.335 N2 C1 H4 108.017
N2 C1 H5 108.017 H3 C1 H4 110.380
H3 C1 H5 110.380 H4 C1 H5 112.517
O6 N2 O7 124.976
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.507      
2 N 0.184      
3 H 0.259      
4 H 0.255      
5 H 0.255      
6 O -0.223      
7 O -0.223      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.031 -4.093 0.000 4.093
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.571 -0.091 0.000
y -0.091 -22.198 0.000
z 0.000 0.000 -27.278
Traceless
 xyz
x 3.168 -0.091 0.000
y -0.091 2.226 0.000
z 0.000 0.000 -5.394
Polar
3z2-r2-10.788
x2-y20.628
xy-0.091
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.320 -0.064 0.000
y -0.064 3.732 0.000
z 0.000 0.000 5.246


<r2> (average value of r2) Å2
<r2> 67.057
(<r2>)1/2 8.189