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

using model chemistry: PBEPBE/STO-3G

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 PBEPBE/STO-3G
 hartrees
Energy at 0K-241.477327
Energy at 298.15K 
HF Energy-241.477327
Nuclear repulsion energy116.316334
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 PBEPBE/STO-3G
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' 3434 3137 0.39      
2 A' 3238 2958 6.58      
3 A' 1572 1436 7.44      
4 A' 1414 1291 0.02      
5 A' 1228 1121 58.92      
6 A' 1041 951 0.46      
7 A' 800 731 30.96      
8 A' 522 477 3.86      
9 A' 477 436 0.10      
10 A" 3447 3149 0.85      
11 A" 1596 1458 1.44      
12 A" 1559 1424 30.89      
13 A" 1036 946 0.03      
14 A" 387 354 0.28      
15 A" 10i 9i 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 10869.2 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 9930.1 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 PBEPBE/STO-3G
ABC
0.34945 0.30806 0.16922

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.420 0.000
N2 -0.004 0.188 0.000
H3 1.058 -1.753 0.000
H4 -0.520 -1.759 0.917
H5 -0.520 -1.759 -0.917
O6 0.001 0.780 -1.184
O7 0.001 0.780 1.184

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.60811.10851.10731.10732.49882.4988
N21.60812.21272.21242.21241.32421.3242
H31.10852.21271.82461.82462.98982.9898
H41.10732.21241.82461.83433.33632.6050
H51.10732.21241.82461.83432.60503.3363
O62.49881.32422.98983.33632.60502.3687
O72.49881.32422.98982.60503.33632.3687

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 116.568 C1 N2 O7 116.568
N2 C1 H3 107.658 N2 C1 H4 107.700
N2 C1 H5 107.700 H3 C1 H4 110.867
H3 C1 H5 110.867 H4 C1 H5 111.853
O6 N2 O7 126.861
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.174      
2 N 0.067      
3 H 0.108      
4 H 0.109      
5 H 0.109      
6 O -0.109      
7 O -0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.018 -2.225 0.000 2.225
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.676 -0.027 0.000
y -0.027 -19.929 0.000
z 0.000 0.000 -22.794
Traceless
 xyz
x 1.686 -0.027 0.000
y -0.027 1.306 0.000
z 0.000 0.000 -2.992
Polar
3z2-r2-5.984
x2-y20.253
xy-0.027
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.161 -0.011 0.000
y -0.011 2.634 0.000
z 0.000 0.000 3.074


<r2> (average value of r2) Å2
<r2> 70.121
(<r2>)1/2 8.374