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

using model chemistry: wB97X-D/CEP-31G

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 wB97X-D/CEP-31G
 hartrees
Energy at 0K-49.123482
Energy at 298.15K 
HF Energy-49.123482
Nuclear repulsion energy68.056445
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 wB97X-D/CEP-31G
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' 3235 3235 14.17      
2 A' 3115 3115 7.08      
3 A' 1504 1504 20.79      
4 A' 1456 1456 0.72      
5 A' 1370 1370 57.67      
6 A' 1157 1157 1.88      
7 A' 904 904 1.37      
8 A' 623 623 33.45      
9 A' 568 568 3.72      
10 A" 3258 3258 4.69      
11 A" 1563 1563 163.22      
12 A" 1487 1487 95.86      
13 A" 1128 1128 17.22      
14 A" 464 464 0.62      
15 A" 51i 51i 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 10889.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10889.5 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 wB97X-D/CEP-31G
ABC
0.38067 0.33642 0.18496

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.351 0.000
N2 -0.010 0.159 0.000
H3 1.051 -1.667 0.000
H4 -0.503 -1.688 0.910
H5 -0.503 -1.688 -0.910
O6 0.001 0.752 -1.132
O7 0.001 0.752 1.132

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.51001.09691.09401.09402.38822.3882
N21.51002.11182.11792.11791.27791.2779
H31.09692.11181.80181.80182.86972.8697
H41.09402.11791.80181.82053.22202.5019
H51.09402.11791.80181.82052.50193.2220
O62.38821.27792.86973.22202.50192.2639
O72.38821.27792.86972.50193.22202.2639

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 117.643 C1 N2 O7 117.643
N2 C1 H3 107.150 N2 C1 H4 107.773
N2 C1 H5 107.773 H3 C1 H4 110.648
H3 C1 H5 110.648 H4 C1 H5 112.611
O6 N2 O7 124.695
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.437      
2 N 0.037      
3 H 0.217      
4 H 0.221      
5 H 0.221      
6 O -0.130      
7 O -0.130      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.033 -4.265 0.000 4.265
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.462 -0.082 0.000
y -0.082 -21.975 0.000
z 0.000 0.000 -27.227
Traceless
 xyz
x 3.138 -0.082 0.000
y -0.082 2.370 0.000
z 0.000 0.000 -5.508
Polar
3z2-r2-11.016
x2-y20.512
xy-0.082
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.226 -0.080 0.000
y -0.080 3.678 0.000
z 0.000 0.000 5.422


<r2> (average value of r2) Å2
<r2> 56.050
(<r2>)1/2 7.487