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

using model chemistry: B2PLYP=FULLultrafine/6-311G**

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 B2PLYP=FULLultrafine/6-311G**
 hartrees
Energy at 0K-244.892252
Energy at 298.15K 
HF Energy-244.621462
Nuclear repulsion energy124.688468
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 B2PLYP=FULLultrafine/6-311G**
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' 3201 3201 2.46      
2 A' 3103 3103 1.29      
3 A' 1494 1494 12.17      
4 A' 1429 1429 2.21      
5 A' 1403 1403 91.44      
6 A' 1146 1146 0.63      
7 A' 931 931 11.03      
8 A' 670 670 21.71      
9 A' 607 607 5.07      
10 A" 3229 3229 0.62      
11 A" 1645 1645 209.26      
12 A" 1481 1481 35.99      
13 A" 1121 1121 9.57      
14 A" 484 484 0.50      
15 A" 40 40 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 10992.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10992.5 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 B2PLYP=FULLultrafine/6-311G**
ABC
0.40743 0.35183 0.19581

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -1.323 0.000
N2 -0.013 0.174 0.000
H3 1.047 -1.627 0.000
H4 -0.494 -1.662 0.904
H5 -0.494 -1.662 -0.904
O6 0.002 0.730 -1.092
O7 0.002 0.730 1.092

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49711.08871.08521.08522.32532.3253
N21.49712.08962.10202.10201.22531.2253
H31.08872.08961.78701.78702.79992.7999
H41.08522.10201.78701.80813.15432.4498
H51.08522.10201.78701.80812.44983.1543
O62.32531.22532.79993.15432.44982.1835
O72.32531.22532.79992.44983.15432.1835

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 116.980 C1 N2 O7 116.980
N2 C1 H3 106.762 N2 C1 H4 107.914
N2 C1 H5 107.914 H3 C1 H4 110.581
H3 C1 H5 110.581 H4 C1 H5 112.829
O6 N2 O7 126.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.152      
2 N 0.232      
3 H 0.158      
4 H 0.144      
5 H 0.144      
6 O -0.263      
7 O -0.263      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.045 -3.455 0.000 3.456
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.494 -0.108 0.000
y -0.108 -22.170 0.000
z 0.000 0.000 -26.386
Traceless
 xyz
x 2.784 -0.108 0.000
y -0.108 1.770 0.000
z 0.000 0.000 -4.554
Polar
3z2-r2-9.108
x2-y20.676
xy-0.108
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.555 -0.021 0.000
y -0.021 3.970 0.000
z 0.000 0.000 4.984


<r2> (average value of r2) Å2
<r2> 64.286
(<r2>)1/2 8.018