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

using model chemistry: PBE1PBE/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 PBE1PBE/6-311G**
 hartrees
Energy at 0K-244.813992
Energy at 298.15K 
HF Energy-244.813992
Nuclear repulsion energy125.758211
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 PBE1PBE/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' 3197 3067 1.57      
2 A' 3097 2971 0.27      
3 A' 1488 1428 85.70      
4 A' 1468 1408 43.94      
5 A' 1404 1347 13.30      
6 A' 1137 1091 2.08      
7 A' 964 925 17.80      
8 A' 688 660 19.43      
9 A' 628 602 5.52      
10 A" 3228 3097 0.27      
11 A" 1726 1656 317.05      
12 A" 1460 1400 32.82      
13 A" 1113 1067 8.52      
14 A" 491 471 0.56      
15 A" 37 36 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 11063.0 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 10613.8 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 PBE1PBE/6-311G**
ABC
0.41632 0.35633 0.19925

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.314 0.000
N2 -0.012 0.175 0.000
H3 1.048 -1.618 0.000
H4 -0.492 -1.657 0.906
H5 -0.492 -1.657 -0.906
O6 0.001 0.724 -1.079
O7 0.001 0.724 1.079

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48951.09051.08671.08672.30632.3063
N21.48952.08292.09922.09921.21071.2107
H31.09052.08291.78761.78762.78312.7831
H41.08672.09921.78761.81163.13862.4375
H51.08672.09921.78761.81162.43753.1386
O62.30631.21072.78313.13862.43752.1579
O72.30631.21072.78312.43753.13862.1579

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 116.959 C1 N2 O7 116.959
N2 C1 H3 106.653 N2 C1 H4 108.129
N2 C1 H5 108.129 H3 C1 H4 110.378
H3 C1 H5 110.378 H4 C1 H5 112.925
O6 N2 O7 126.052
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.196      
2 N 0.251      
3 H 0.175      
4 H 0.161      
5 H 0.161      
6 O -0.276      
7 O -0.276      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.056 -3.518 0.000 3.519
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.319 -0.119 0.000
y -0.119 -21.959 0.000
z 0.000 0.000 -26.240
Traceless
 xyz
x 2.781 -0.119 0.000
y -0.119 1.821 0.000
z 0.000 0.000 -4.602
Polar
3z2-r2-9.203
x2-y20.640
xy-0.119
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.560 -0.027 0.000
y -0.027 3.949 0.000
z 0.000 0.000 4.906


<r2> (average value of r2) Å2
<r2> 63.400
(<r2>)1/2 7.962