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

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

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 PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-244.806697
Energy at 298.15K 
HF Energy-244.806697
Nuclear repulsion energy123.686422
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 PBEPBEultrafine/aug-cc-pVDZ
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' 3116 3097 2.19      
2 A' 3013 2994 0.70      
3 A' 1402 1393 14.82      
4 A' 1371 1363 68.52      
5 A' 1327 1319 32.67      
6 A' 1077 1070 0.78      
7 A' 896 890 14.82      
8 A' 638 634 11.94      
9 A' 588 585 2.69      
10 A" 3148 3129 0.21      
11 A" 1575 1565 284.52      
12 A" 1386 1377 37.30      
13 A" 1057 1051 7.21      
14 A" 462 459 0.89      
15 A" 22 22 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 10538.5 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 10474.2 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
0.40144 0.34634 0.19288

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.333 0.000
N2 -0.010 0.172 0.000
H3 1.061 -1.638 0.000
H4 -0.497 -1.677 0.918
H5 -0.497 -1.677 -0.918
O6 0.000 0.736 -1.099
O7 0.000 0.736 1.099

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.50501.10361.09971.09972.34282.3428
N21.50502.10332.12182.12181.23551.2355
H31.10362.10331.80881.80882.82322.8232
H41.09972.12181.80881.83653.18492.4709
H51.09972.12181.80881.83652.47093.1849
O62.34281.23552.82323.18492.47092.1987
O72.34281.23552.82322.47093.18492.1987

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 117.149 C1 N2 O7 117.149
N2 C1 H3 106.455 N2 C1 H4 108.085
N2 C1 H5 108.085 H3 C1 H4 110.354
H3 C1 H5 110.354 H4 C1 H5 113.226
O6 N2 O7 125.684
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.991      
2 N 0.668      
3 H -0.098      
4 H -0.174      
5 H -0.174      
6 O -0.607      
7 O -0.607      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.031 -3.463 0.000 3.464
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.947 -0.081 0.000
y -0.081 -22.629 0.000
z 0.000 0.000 -26.639
Traceless
 xyz
x 2.687 -0.081 0.000
y -0.081 1.664 0.000
z 0.000 0.000 -4.351
Polar
3z2-r2-8.703
x2-y20.682
xy-0.081
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.616 -0.043 0.000
y -0.043 5.558 0.000
z 0.000 0.000 5.943


<r2> (average value of r2) Å2
<r2> 65.314
(<r2>)1/2 8.082