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

using model chemistry: wB97X-D/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-49.220864
Energy at 298.15K 
HF Energy-49.220864
Nuclear repulsion energy69.683396
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/CEP-121G*
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' 3196 3196 6.19      
2 A' 3095 3095 4.02      
3 A' 1495 1495 13.21      
4 A' 1461 1461 83.57      
5 A' 1426 1426 4.54      
6 A' 1142 1142 1.07      
7 A' 940 940 5.79      
8 A' 658 658 28.05      
9 A' 600 600 6.30      
10 A" 3226 3226 2.99      
11 A" 1674 1674 329.48      
12 A" 1480 1480 39.00      
13 A" 1120 1120 14.39      
14 A" 476 476 0.99      
15 A" 52i 52i 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 10968.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10968.2 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 wB97X-D/CEP-121G*
ABC
0.40495 0.34731 0.19387

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.332 0.000
N2 -0.011 0.171 0.000
H3 1.050 -1.635 0.000
H4 -0.495 -1.672 0.908
H5 -0.495 -1.672 -0.908
O6 0.001 0.736 -1.095
O7 0.001 0.736 1.095

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.50311.09231.08871.08872.33932.3393
N21.50312.09552.11092.11091.23191.2319
H31.09232.09551.79231.79232.81442.8144
H41.08872.11091.79231.81503.17072.4654
H51.08872.11091.79231.81502.46543.1707
O62.33931.23192.81443.17072.46542.1902
O72.33931.23192.81442.46543.17072.1902

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 117.248 C1 N2 O7 117.248
N2 C1 H3 106.606 N2 C1 H4 108.002
N2 C1 H5 108.002 H3 C1 H4 110.518
H3 C1 H5 110.518 H4 C1 H5 112.929
O6 N2 O7 125.477
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.517      
2 N 0.439      
3 H 0.231      
4 H 0.228      
5 H 0.228      
6 O -0.304      
7 O -0.304      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.027 -3.721 0.000 3.721
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.307 -0.083 0.000
y -0.083 -21.788 0.000
z 0.000 0.000 -26.231
Traceless
 xyz
x 2.702 -0.083 0.000
y -0.083 1.981 0.000
z 0.000 0.000 -4.684
Polar
3z2-r2-9.368
x2-y20.481
xy-0.083
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.800 -0.053 0.000
y -0.053 4.149 0.000
z 0.000 0.000 5.364


<r2> (average value of r2) Å2
<r2> 54.063
(<r2>)1/2 7.353