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

using model chemistry: wB97X-D/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-244.945738
Energy at 298.15K 
HF Energy-244.945738
Nuclear repulsion energy125.147178
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/cc-pVDZ
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' 3217 3064 1.40      
2 A' 3110 2963 0.83      
3 A' 1500 1429 48.89      
4 A' 1484 1414 51.81      
5 A' 1420 1353 10.54      
6 A' 1144 1090 1.25      
7 A' 958 912 8.27      
8 A' 680 648 22.43      
9 A' 616 587 4.87      
10 A" 3252 3098 0.02      
11 A" 1706 1625 382.88      
12 A" 1472 1402 38.44      
13 A" 1122 1069 11.44      
14 A" 491 467 0.95      
15 A" 17i 16i 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 11077.4 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 10552.4 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/cc-pVDZ
ABC
0.41262 0.35299 0.19738

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.023 -1.315 0.000
N2 -0.101 0.175 0.000
H3 1.089 -1.546 0.000
H4 -0.444 -1.694 0.906
H5 -0.444 -1.694 -0.906
O6 0.023 0.725 -1.078
O7 0.023 0.725 1.078

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49541.09121.08731.08732.30682.3068
N21.49542.09332.10562.10561.21611.2161
H31.09122.09331.78681.78682.73072.7307
H41.08732.10561.78681.81123.16292.4698
H51.08732.10561.78681.81122.46983.1629
O62.30681.21612.73073.16292.46982.1557
O72.30681.21612.73072.46983.16292.1557

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 116.210 C1 N2 O7 116.210
N2 C1 H3 107.022 N2 C1 H4 108.191
N2 C1 H5 108.191 H3 C1 H4 110.217
H3 C1 H5 110.217 H4 C1 H5 112.793
O6 N2 O7 124.818
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.398      
2 N 0.119      
3 H 0.208      
4 H 0.205      
5 H 0.205      
6 O -0.170      
7 O -0.170      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.026 -3.863 0.000 3.863
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.665 -0.092 0.000
y -0.092 -22.264 0.000
z 0.000 0.000 -26.722
Traceless
 xyz
x 2.828 -0.092 0.000
y -0.092 1.929 0.000
z 0.000 0.000 -4.757
Polar
3z2-r2-9.515
x2-y20.599
xy-0.092
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.031 -0.048 0.000
y -0.048 4.448 0.000
z 0.000 0.000 5.531


<r2> (average value of r2) Å2
<r2> 64.063
(<r2>)1/2 8.004