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

using model chemistry: HF/Def2TZVPP

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 HF/Def2TZVPP
 hartrees
Energy at 0K-243.772985
Energy at 298.15K-243.777870
HF Energy-243.772985
Nuclear repulsion energy127.899689
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 HF/Def2TZVPP
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' 3318 3008 3.10      
2 A' 3227 2925 2.26      
3 A' 1668 1512 100.24      
4 A' 1597 1447 13.01      
5 A' 1550 1405 0.37      
6 A' 1263 1145 1.82      
7 A' 1049 950 5.34      
8 A' 745 675 37.13      
9 A' 698 633 14.39      
10 A" 3353 3039 1.07      
11 A" 1820 1649 679.98      
12 A" 1584 1436 46.90      
13 A" 1219 1105 36.08      
14 A" 528 479 2.00      
15 A" 16 15 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 11817.3 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 10711.2 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 HF/Def2TZVPP
ABC
0.43603 0.36297 0.20566

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.034 -1.293 0.000
N2 -0.144 0.176 0.000
H3 1.097 -1.479 0.000
H4 -0.416 -1.678 0.897
H5 -0.416 -1.678 -0.897
O6 0.034 0.710 -1.042
O7 0.034 0.710 1.042

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.47931.07951.07461.07462.25722.2572
N21.47932.06872.07702.07701.18411.1841
H31.07952.06871.77031.77032.64702.6470
H41.07462.07701.77031.79323.10812.4338
H51.07462.07701.77031.79322.43383.1081
O62.25721.18412.64703.10812.43382.0838
O72.25721.18412.64702.43383.10812.0838

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 115.432 C1 N2 O7 115.432
N2 C1 H3 106.853 N2 C1 H4 107.775
N2 C1 H5 107.775 H3 C1 H4 110.535
H3 C1 H5 110.535 H4 C1 H5 113.094
O6 N2 O7 123.256
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.092      
2 N 0.572      
3 H 0.108      
4 H 0.123      
5 H 0.123      
6 O -0.417      
7 O -0.417      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.013 -3.977 0.000 3.977
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.456 -0.067 0.000
y -0.067 -21.986 0.000
z 0.000 0.000 -26.756
Traceless
 xyz
x 2.915 -0.067 0.000
y -0.067 2.120 0.000
z 0.000 0.000 -5.034
Polar
3z2-r2-10.069
x2-y20.530
xy-0.067
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.883 -0.027 0.000
y -0.027 4.033 0.000
z 0.000 0.000 5.166


<r2> (average value of r2) Å2
<r2> 62.089
(<r2>)1/2 7.880