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

using model chemistry: B2PLYP/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/6-311G*
 hartrees
Energy at 0K-244.861507
Energy at 298.15K 
HF Energy-244.617120
Nuclear repulsion energy124.675866
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/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' 3209 3209 3.34      
2 A' 3111 3111 1.79      
3 A' 1509 1509 12.48      
4 A' 1443 1443 0.05      
5 A' 1404 1404 93.13      
6 A' 1158 1158 0.66      
7 A' 932 932 10.38      
8 A' 671 671 21.64      
9 A' 608 608 5.26      
10 A" 3238 3238 1.28      
11 A" 1646 1646 202.10      
12 A" 1498 1498 43.20      
13 A" 1132 1132 9.92      
14 A" 486 486 0.53      
15 A" 40 40 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 11041.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11041.7 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/6-311G*
ABC
0.40728 0.35184 0.19577

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -1.323 0.000
N2 -0.014 0.173 0.000
H3 1.047 -1.627 0.000
H4 -0.494 -1.663 0.903
H5 -0.494 -1.663 -0.903
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
C11.49651.08821.08461.08462.32532.3253
N21.49652.08942.10212.10211.22571.2257
H31.08822.08941.78571.78572.79992.7999
H41.08462.10211.78571.80603.15472.4510
H51.08462.10211.78571.80602.45103.1547
O62.32531.22572.79993.15472.45102.1841
O72.32531.22572.79992.45103.15472.1841

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 116.988 C1 N2 O7 116.988
N2 C1 H3 106.811 N2 C1 H4 107.995
N2 C1 H5 107.995 H3 C1 H4 110.540
H3 C1 H5 110.540 H4 C1 H5 112.718
O6 N2 O7 125.982
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.501      
2 N 0.260      
3 H 0.264      
4 H 0.252      
5 H 0.252      
6 O -0.264      
7 O -0.264      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.044 -3.478 0.000 3.478
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.508 -0.104 0.000
y -0.104 -22.193 0.000
z 0.000 0.000 -26.411
Traceless
 xyz
x 2.794 -0.104 0.000
y -0.104 1.766 0.000
z 0.000 0.000 -4.560
Polar
3z2-r2-9.121
x2-y20.685
xy-0.104
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.522 -0.022 0.000
y -0.022 3.905 0.000
z 0.000 0.000 4.962


<r2> (average value of r2) Å2
<r2> 64.308
(<r2>)1/2 8.019