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

using model chemistry: PBE1PBE/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 PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-244.791890
Energy at 298.15K 
HF Energy-244.791890
Nuclear repulsion energy125.441637
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/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' 3207 3084 1.68      
2 A' 3100 2981 0.54      
3 A' 1492 1435 83.61      
4 A' 1446 1391 20.01      
5 A' 1389 1336 9.48      
6 A' 1128 1085 1.37      
7 A' 962 925 10.58      
8 A' 681 655 19.92      
9 A' 625 601 4.09      
10 A" 3240 3116 0.03      
11 A" 1707 1642 361.25      
12 A" 1437 1381 33.88      
13 A" 1104 1062 8.34      
14 A" 484 466 1.09      
15 A" 32 31 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 11016.3 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 10593.3 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/aug-cc-pVDZ
ABC
0.41429 0.35515 0.19847

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.315 0.000
N2 -0.010 0.171 0.000
H3 1.053 -1.619 0.000
H4 -0.494 -1.658 0.912
H5 -0.494 -1.658 -0.912
O6 0.000 0.727 -1.081
O7 0.000 0.727 1.081

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.48671.09591.09191.09192.31072.3107
N21.48672.08212.10022.10021.21571.2157
H31.09592.08211.79591.79592.78932.7893
H41.09192.10021.79591.82343.14682.4410
H51.09192.10021.79591.82342.44103.1468
O62.31071.21572.78933.14682.44102.1627
O72.31071.21572.78932.44103.14682.1627

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 117.180 C1 N2 O7 117.180
N2 C1 H3 106.473 N2 C1 H4 108.091
N2 C1 H5 108.091 H3 C1 H4 110.343
H3 C1 H5 110.343 H4 C1 H5 113.221
O6 N2 O7 125.622
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.880      
2 N 0.708      
3 H -0.041      
4 H -0.115      
5 H -0.115      
6 O -0.659      
7 O -0.659      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.027 -3.589 0.000 3.589
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.713 -0.079 0.000
y -0.079 -22.326 0.000
z 0.000 0.000 -26.489
Traceless
 xyz
x 2.695 -0.079 0.000
y -0.079 1.774 0.000
z 0.000 0.000 -4.470
Polar
3z2-r2-8.939
x2-y20.614
xy-0.079
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.443 -0.038 0.000
y -0.038 5.077 0.000
z 0.000 0.000 5.655


<r2> (average value of r2) Å2
<r2> 63.806
(<r2>)1/2 7.988