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

using model chemistry: TPSSh/Def2TZVPP

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 TPSSh/Def2TZVPP
 hartrees
Energy at 0K-245.126753
Energy at 298.15K 
HF Energy-245.126753
Nuclear repulsion energy124.837698
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 TPSSh/Def2TZVPP
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' 3167 3167 2.70      
2 A' 3075 3075 0.95      
3 A' 1486 1486 10.41      
4 A' 1422 1422 30.32      
5 A' 1394 1394 72.62      
6 A' 1133 1133 0.59      
7 A' 917 917 13.59      
8 A' 651 651 16.53      
9 A' 606 606 5.05      
10 A" 3199 3199 0.89      
11 A" 1615 1615 294.28      
12 A" 1474 1474 46.82      
13 A" 1107 1107 13.09      
14 A" 463 463 0.64      
15 A" 32 32 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 10870.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10870.0 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 TPSSh/Def2TZVPP
ABC
0.41036 0.35067 0.19611

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.327 0.000
N2 -0.010 0.175 0.000
H3 1.047 -1.627 0.000
H4 -0.493 -1.664 0.906
H5 -0.493 -1.664 -0.906
O6 0.000 0.731 -1.087
O7 0.000 0.731 1.087

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.50121.08901.08511.08512.32702.3270
N21.50122.08872.10532.10531.22151.2215
H31.08902.08871.78711.78712.79952.7995
H41.08512.10531.78711.81153.15422.4513
H51.08512.10531.78711.81152.45133.1542
O62.32701.22152.79953.15422.45132.1749
O72.32701.22152.79952.45133.15422.1749

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 117.080 C1 N2 O7 117.080
N2 C1 H3 106.406 N2 C1 H4 107.903
N2 C1 H5 107.903 H3 C1 H4 110.576
H3 C1 H5 110.576 H4 C1 H5 113.176
O6 N2 O7 125.821
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.110      
2 N 0.381      
3 H 0.102      
4 H 0.108      
5 H 0.108      
6 O -0.295      
7 O -0.295      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.028 -3.510 0.000 3.510
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.075 -0.035 0.000
y -0.035 4.670 0.000
z 0.000 0.000 5.419


<r2> (average value of r2) Å2
<r2> 64.187
(<r2>)1/2 8.012