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

using model chemistry: TPSSh/aug-cc-pVTZ

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 TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-245.120079
Energy at 298.15K 
HF Energy-245.120079
Nuclear repulsion energy124.755936
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 TPSSh/aug-cc-pVTZ
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' 3165 3055 2.48      
2 A' 3073 2966 1.07      
3 A' 1485 1434 10.78      
4 A' 1419 1370 19.10      
5 A' 1390 1342 74.23      
6 A' 1132 1093 0.37      
7 A' 913 881 11.11      
8 A' 648 626 15.84      
9 A' 604 583 4.60      
10 A" 3196 3085 0.54      
11 A" 1602 1546 303.24      
12 A" 1474 1423 53.07      
13 A" 1107 1068 14.09      
14 A" 462 446 0.78      
15 A" 33 32 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 10851.6 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 10473.9 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 TPSSh/aug-cc-pVTZ
ABC
0.40985 0.35021 0.19585

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.328 0.000
N2 -0.010 0.174 0.000
H3 1.047 -1.627 0.000
H4 -0.493 -1.664 0.906
H5 -0.493 -1.664 -0.906
O6 0.000 0.731 -1.088
O7 0.000 0.731 1.088

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.50181.08901.08511.08512.32892.3289
N21.50182.08822.10542.10541.22261.2226
H31.08902.08821.78761.78762.80032.8003
H41.08512.10541.78761.81223.15552.4522
H51.08512.10541.78761.81222.45223.1555
O62.32891.22262.80033.15552.45222.1763
O72.32891.22262.80032.45223.15552.1763

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 117.111 C1 N2 O7 117.111
N2 C1 H3 106.324 N2 C1 H4 107.865
N2 C1 H5 107.865 H3 C1 H4 110.617
H3 C1 H5 110.617 H4 C1 H5 113.236
O6 N2 O7 125.760
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.293      
2 N 0.935      
3 H 0.151      
4 H 0.213      
5 H 0.213      
6 O -0.610      
7 O -0.610      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.021 -3.529 0.000 3.529
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.523 -0.034 0.000
y -0.034 5.277 0.000
z 0.000 0.000 5.763


<r2> (average value of r2) Å2
<r2> 64.340
(<r2>)1/2 8.021