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

using model chemistry: wB97X-D/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-245.049112
Energy at 298.15K 
HF Energy-245.049112
Nuclear repulsion energy125.876281
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/aug-cc-pVQZ
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' 3195 3195 1.67      
2 A' 3098 3098 0.65      
3 A' 1494 1494 36.68      
4 A' 1476 1476 62.38      
5 A' 1413 1413 9.51      
6 A' 1143 1143 1.08      
7 A' 962 962 9.88      
8 A' 687 687 20.25      
9 A' 626 626 4.61      
10 A" 3229 3229 0.09      
11 A" 1683 1683 384.66      
12 A" 1466 1466 39.24      
13 A" 1118 1118 11.91      
14 A" 493 493 1.13      
15 A" 10 10 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 11045.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11045.8 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/aug-cc-pVQZ
ABC
0.41865 0.35564 0.19951

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

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 -1.658 0.903
H5 -0.491 -1.658 -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
C11.48811.08711.08341.08342.30742.3074
N21.48812.07712.09682.09681.20991.2099
H31.08712.07711.78181.78182.78142.7814
H41.08342.09681.78181.80613.13662.4396
H51.08342.09681.78181.80612.43963.1366
O62.30741.20992.78143.13662.43962.1520
O72.30741.20992.78142.43963.13662.1520

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 117.202 C1 N2 O7 117.202
N2 C1 H3 106.489 N2 C1 H4 108.224
N2 C1 H5 108.224 H3 C1 H4 110.358
H3 C1 H5 110.358 H4 C1 H5 112.932
O6 N2 O7 125.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.197      
2 N 0.640      
3 H 0.148      
4 H 0.153      
5 H 0.153      
6 O -0.448      
7 O -0.448      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.022 -3.602 0.000 3.602
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.507 -0.074 0.000
y -0.074 -22.058 0.000
z 0.000 0.000 -26.385
Traceless
 xyz
x 2.714 -0.074 0.000
y -0.074 1.888 0.000
z 0.000 0.000 -4.602
Polar
3z2-r2-9.204
x2-y20.551
xy-0.074
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.498 -0.032 0.000
y -0.032 5.024 0.000
z 0.000 0.000 5.668


<r2> (average value of r2) Å2
<r2> 63.420
(<r2>)1/2 7.964