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

using model chemistry: HSEh1PBE/6-31G

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 HSEh1PBE/6-31G
 hartrees
Energy at 0K-244.670578
Energy at 298.15K 
HF Energy-244.670578
Nuclear repulsion energy123.380764
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 HSEh1PBE/6-31G
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' 3230 3090 1.15      
2 A' 3120 2985 0.04      
3 A' 1516 1451 19.89      
4 A' 1461 1397 0.28      
5 A' 1367 1307 95.45      
6 A' 1167 1117 1.83      
7 A' 918 878 7.91      
8 A' 665 636 22.85      
9 A' 605 579 4.12      
10 A" 3266 3124 0.00      
11 A" 1592 1523 142.60      
12 A" 1499 1434 83.75      
13 A" 1133 1084 12.35      
14 A" 483 462 0.49      
15 A" 46 44 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 11034.2 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 10555.3 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 HSEh1PBE/6-31G
ABC
0.39510 0.34916 0.19213

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -1.325 0.000
N2 -0.012 0.163 0.000
H3 1.046 -1.643 0.000
H4 -0.498 -1.664 0.904
H5 -0.498 -1.664 -0.904
O6 0.002 0.736 -1.110
O7 0.002 0.736 1.110

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48801.09161.08701.08702.34092.3409
N21.48802.09342.09572.09571.24931.2493
H31.09162.09341.78901.78902.82552.8255
H41.08702.09571.78901.80763.17282.4604
H51.08702.09571.78901.80762.46043.1728
O62.34091.24932.82553.17282.46042.2200
O72.34091.24932.82552.46043.17282.2200

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 117.294 C1 N2 O7 117.294
N2 C1 H3 107.493 N2 C1 H4 107.929
N2 C1 H5 107.929 H3 C1 H4 110.403
H3 C1 H5 110.403 H4 C1 H5 112.493
O6 N2 O7 125.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.307      
2 N 0.195      
3 H 0.239      
4 H 0.226      
5 H 0.226      
6 O -0.289      
7 O -0.289      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.069 -3.883 0.000 3.884
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.541 -0.142 0.000
y -0.142 -22.065 0.000
z 0.000 0.000 -26.962
Traceless
 xyz
x 2.972 -0.142 0.000
y -0.142 2.187 0.000
z 0.000 0.000 -5.159
Polar
3z2-r2-10.317
x2-y20.523
xy-0.142
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.252 -0.036 0.000
y -0.036 3.597 0.000
z 0.000 0.000 4.906


<r2> (average value of r2) Å2
<r2> 65.257
(<r2>)1/2 8.078