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

using model chemistry: wB97X-D/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 wB97X-D/Def2TZVPP
 hartrees
Energy at 0K-245.037988
Energy at 298.15K 
HF Energy-245.037988
Nuclear repulsion energy125.862548
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 wB97X-D/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' 3200 3057 1.45      
2 A' 3103 2964 0.41      
3 A' 1493 1426 42.63      
4 A' 1476 1410 66.02      
5 A' 1414 1351 9.31      
6 A' 1144 1092 1.43      
7 A' 963 920 11.95      
8 A' 687 656 21.64      
9 A' 627 599 5.19      
10 A" 3235 3090 0.12      
11 A" 1689 1613 373.05      
12 A" 1466 1400 37.33      
13 A" 1118 1068 11.60      
14 A" 492 470 0.90      
15 A" 13i 12i 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 11046.7 cm-1
Scaled (by 0.9552) Zero Point Vibrational Energy (zpe) 10551.8 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 wB97X-D/Def2TZVPP
ABC
0.41836 0.35575 0.19949

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.315 0.000
N2 -0.010 0.173 0.000
H3 1.045 -1.617 0.000
H4 -0.491 -1.657 0.903
H5 -0.491 -1.657 -0.903
O6 0.000 0.726 -1.076
O7 0.000 0.726 1.076

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48821.08771.08391.08392.30712.3071
N21.48822.07832.09732.09731.20991.2099
H31.08772.07831.78271.78272.78202.7820
H41.08392.09731.78271.80683.13692.4394
H51.08392.09731.78271.80682.43943.1369
O62.30711.20992.78203.13692.43942.1527
O72.30711.20992.78202.43943.13692.1527

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 117.167 C1 N2 O7 117.167
N2 C1 H3 106.540 N2 C1 H4 108.226
N2 C1 H5 108.226 H3 C1 H4 110.349
H3 C1 H5 110.349 H4 C1 H5 112.903
O6 N2 O7 125.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.154      
2 N 0.418      
3 H 0.124      
4 H 0.127      
5 H 0.127      
6 O -0.321      
7 O -0.321      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.027 -3.616 0.000 3.616
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.407 -0.080 0.000
y -0.080 -21.989 0.000
z 0.000 0.000 -26.355
Traceless
 xyz
x 2.765 -0.080 0.000
y -0.080 1.892 0.000
z 0.000 0.000 -4.657
Polar
3z2-r2-9.314
x2-y20.582
xy-0.080
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.052 -0.036 0.000
y -0.036 4.460 0.000
z 0.000 0.000 5.380


<r2> (average value of r2) Å2
<r2> 63.387
(<r2>)1/2 7.962