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

using model chemistry: HSEh1PBE/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-244.784955
Energy at 298.15K 
HF Energy-244.784955
Nuclear repulsion energy125.274966
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/6-31+G**
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' 3213 3068 1.40      
2 A' 3109 2968 0.55      
3 A' 1491 1424 61.41      
4 A' 1471 1405 44.58      
5 A' 1412 1348 13.92      
6 A' 1140 1088 1.43      
7 A' 955 912 10.96      
8 A' 678 648 19.36      
9 A' 621 593 4.58      
10 A" 3246 3100 0.00      
11 A" 1711 1634 368.15      
12 A" 1466 1399 37.53      
13 A" 1116 1066 9.28      
14 A" 488 466 0.85      
15 A" 36 34 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 11076.6 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 10576.0 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 HSEh1PBE/6-31+G**
ABC
0.41254 0.35460 0.19785

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.316 0.000
N2 -0.011 0.171 0.000
H3 1.049 -1.620 0.000
H4 -0.493 -1.659 0.907
H5 -0.493 -1.659 -0.907
O6 0.000 0.728 -1.084
O7 0.000 0.728 1.084

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48751.09151.08781.08782.31372.3137
N21.48752.08122.09892.09891.21871.2187
H31.09152.08121.78881.78882.79052.7905
H41.08782.09891.78881.81393.14732.4438
H51.08782.09891.78881.81392.44383.1473
O62.31371.21872.79053.14732.44382.1685
O72.31371.21872.79052.44383.14732.1685

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 117.162 C1 N2 O7 117.162
N2 C1 H3 106.594 N2 C1 H4 108.175
N2 C1 H5 108.175 H3 C1 H4 110.335
H3 C1 H5 110.335 H4 C1 H5 112.974
O6 N2 O7 125.655
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.416      
2 N 0.098      
3 H 0.212      
4 H 0.208      
5 H 0.208      
6 O -0.155      
7 O -0.155      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.031 -3.763 0.000 3.763
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.735 -0.100 0.000
y -0.100 -22.370 0.000
z 0.000 0.000 -26.690
Traceless
 xyz
x 2.795 -0.100 0.000
y -0.100 1.842 0.000
z 0.000 0.000 -4.637
Polar
3z2-r2-9.275
x2-y20.635
xy-0.100
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.037 -0.051 0.000
y -0.051 4.541 0.000
z 0.000 0.000 5.498


<r2> (average value of r2) Å2
<r2> 63.983
(<r2>)1/2 7.999