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

using model chemistry: wB97X-D/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 wB97X-D/STO-3G
 hartrees
Energy at 0K-241.666770
Energy at 298.15K 
HF Energy-241.666770
Nuclear repulsion energy117.994140
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/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' 3533 3533 2.25      
2 A' 3342 3342 6.58      
3 A' 1622 1622 8.32      
4 A' 1497 1497 0.03      
5 A' 1336 1336 37.85      
6 A' 1114 1114 0.23      
7 A' 894 894 11.33      
8 A' 562 562 13.80      
9 A' 496 496 0.41      
10 A" 3548 3548 3.41      
11 A" 1680 1680 18.28      
12 A" 1620 1620 22.25      
13 A" 1103 1103 1.03      
14 A" 411 411 0.57      
15 A" 41i 41i 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11358.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11358.2 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/STO-3G
ABC
0.36131 0.31699 0.17462

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.395 0.000
N2 -0.004 0.173 0.000
H3 1.050 -1.732 0.000
H4 -0.516 -1.735 0.911
H5 -0.516 -1.735 -0.911
O6 0.001 0.772 -1.164
O7 0.001 0.772 1.164

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.56891.10211.10081.10082.46062.4606
N21.56892.17762.17562.17561.30901.3090
H31.10212.17761.81191.81192.95422.9542
H41.10082.17561.81191.82153.29522.5726
H51.10082.17561.81191.82152.57263.2952
O62.46061.30902.95423.29522.57262.3278
O72.46061.30902.95422.57263.29522.3278

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 117.233 C1 N2 O7 117.233
N2 C1 H3 107.953 N2 C1 H4 107.872
N2 C1 H5 107.872 H3 C1 H4 110.666
H3 C1 H5 110.666 H4 C1 H5 111.658
O6 N2 O7 125.531
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.153      
2 N 0.087      
3 H 0.111      
4 H 0.113      
5 H 0.113      
6 O -0.136      
7 O -0.136      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.014 -2.615 0.000 2.615
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.625 -0.025 0.000
y -0.025 -20.004 0.000
z 0.000 0.000 -23.263
Traceless
 xyz
x 2.008 -0.025 0.000
y -0.025 1.440 0.000
z 0.000 0.000 -3.448
Polar
3z2-r2-6.896
x2-y20.378
xy-0.025
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.150 -0.013 0.000
y -0.013 2.401 0.000
z 0.000 0.000 3.129


<r2> (average value of r2) Å2
<r2> 68.524
(<r2>)1/2 8.278