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

using model chemistry: BLYP/6-31G

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 BLYP/6-31G
 hartrees
Energy at 0K-244.888523
Energy at 298.15K 
HF Energy-244.888523
Nuclear repulsion energy120.686329
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 BLYP/6-31G
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' 3121 3097 3.58      
2 A' 3023 3000 0.68      
3 A' 1476 1465 15.57      
4 A' 1402 1392 0.34      
5 A' 1217 1207 91.75      
6 A' 1112 1104 0.66      
7 A' 822 815 11.26      
8 A' 600 596 13.13      
9 A' 553 549 3.09      
10 A" 3155 3131 1.21      
11 A" 1482 1471 0.54      
12 A" 1398 1387 156.77      
13 A" 1074 1066 15.41      
14 A" 448 444 0.36      
15 A" 37 36 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 10460.3 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 10380.8 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 BLYP/6-31G
ABC
0.37660 0.33447 0.18344

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -1.357 0.000
N2 -0.013 0.167 0.000
H3 1.055 -1.673 0.000
H4 -0.503 -1.694 0.911
H5 -0.503 -1.694 -0.911
O6 0.002 0.752 -1.138
O7 0.002 0.752 1.138

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.52441.09971.09511.09512.39642.3964
N21.52442.12782.13002.13001.27971.2797
H31.09972.12781.80501.80502.87852.8785
H41.09512.13001.80501.82303.23122.5080
H51.09512.13001.80501.82302.50803.2312
O62.39641.27972.87853.23122.50802.2767
O72.39641.27972.87852.50803.23122.2767

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 117.167 C1 N2 O7 117.167
N2 C1 H3 107.257 N2 C1 H4 107.680
N2 C1 H5 107.680 H3 C1 H4 110.652
H3 C1 H5 110.652 H4 C1 H5 112.679
O6 N2 O7 125.631
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.212      
2 N 0.166      
3 H 0.194      
4 H 0.182      
5 H 0.182      
6 O -0.255      
7 O -0.255      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.068 -3.630 0.000 3.631
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.597 -0.142 0.000
y -0.142 -22.101 0.000
z 0.000 0.000 -26.708
Traceless
 xyz
x 2.808 -0.142 0.000
y -0.142 2.052 0.000
z 0.000 0.000 -4.859
Polar
3z2-r2-9.719
x2-y20.504
xy-0.142
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.313 -0.029 0.000
y -0.029 3.918 0.000
z 0.000 0.000 5.000


<r2> (average value of r2) Å2
<r2> 67.503
(<r2>)1/2 8.216