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

using model chemistry: B3LYP/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 B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-245.115210
Energy at 298.15K 
HF Energy-245.115210
Nuclear repulsion energy125.056350
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 B3LYP/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' 3164 3061 2.00      
2 A' 3077 2977 0.76      
3 A' 1477 1429 11.80      
4 A' 1427 1381 36.44      
5 A' 1399 1353 58.77      
6 A' 1137 1100 0.76      
7 A' 924 894 11.71      
8 A' 661 639 16.34      
9 A' 615 595 4.97      
10 A" 3197 3093 0.17      
11 A" 1612 1559 333.03      
12 A" 1465 1417 49.52      
13 A" 1110 1074 13.51      
14 A" 480 465 1.13      
15 A" 31 30 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 10887.6 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 10533.8 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 B3LYP/aug-cc-pVTZ
ABC
0.41263 0.35120 0.19676

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.325 0.000
N2 -0.009 0.174 0.000
H3 1.045 -1.627 0.000
H4 -0.492 -1.664 0.904
H5 -0.492 -1.664 -0.904
O6 0.000 0.730 -1.084
O7 0.000 0.730 1.084

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49881.08761.08361.08362.32382.3238
N21.49882.08702.10452.10451.21891.2189
H31.08762.08701.78331.78332.79742.7974
H41.08362.10451.78331.80763.15122.4515
H51.08362.10451.78331.80762.45153.1512
O62.32381.21892.79743.15122.45152.1688
O72.32381.21892.79742.45153.15122.1688

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 117.162 C1 N2 O7 117.162
N2 C1 H3 106.509 N2 C1 H4 108.081
N2 C1 H5 108.081 H3 C1 H4 110.435
H3 C1 H5 110.435 H4 C1 H5 113.031
O6 N2 O7 125.659
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.632      
2 N 0.857      
3 H 0.257      
4 H 0.323      
5 H 0.323      
6 O -0.564      
7 O -0.564      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.021 -3.599 0.000 3.599
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.793 -0.075 0.000
y -0.075 -22.403 0.000
z 0.000 0.000 -26.747
Traceless
 xyz
x 2.782 -0.075 0.000
y -0.075 1.866 0.000
z 0.000 0.000 -4.649
Polar
3z2-r2-9.298
x2-y20.611
xy-0.075
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.527 -0.035 0.000
y -0.035 5.213 0.000
z 0.000 0.000 5.759


<r2> (average value of r2) Å2
<r2> 64.263
(<r2>)1/2 8.016