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

using model chemistry: B2PLYP/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 B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-244.807742
Energy at 298.15K 
HF Energy-244.572785
Nuclear repulsion energy124.447060
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 B2PLYP/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' 3214 3078 1.50      
2 A' 3106 2975 1.36      
3 A' 1467 1405 11.41      
4 A' 1416 1356 73.67      
5 A' 1394 1335 19.83      
6 A' 1127 1080 1.03      
7 A' 932 893 11.56      
8 A' 670 641 23.11      
9 A' 606 580 5.20      
10 A" 3244 3107 0.22      
11 A" 1664 1593 192.34      
12 A" 1454 1392 30.67      
13 A" 1103 1056 7.27      
14 A" 480 460 0.40      
15 A" 28 26 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 10951.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 10488.6 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 B2PLYP/cc-pVDZ
ABC
0.40501 0.35173 0.19531

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.001 -1.322 0.000
N2 -0.012 0.174 0.000
H3 1.054 -1.631 0.000
H4 -0.497 -1.665 0.912
H5 -0.497 -1.665 -0.912
O6 0.001 0.730 -1.095
O7 0.001 0.730 1.095

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49611.09761.09401.09402.32552.3255
N21.49612.09692.10922.10921.22761.2276
H31.09762.09691.79961.79962.80752.8075
H41.09402.10921.79961.82303.16362.4530
H51.09402.10921.79961.82302.45303.1636
O62.32551.22762.80753.16362.45302.1892
O72.32551.22762.80752.45303.16362.1892

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 116.907 C1 N2 O7 116.907
N2 C1 H3 106.882 N2 C1 H4 108.033
N2 C1 H5 108.033 H3 C1 H4 110.396
H3 C1 H5 110.396 H4 C1 H5 112.862
O6 N2 O7 126.155
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.075      
2 N 0.199      
3 H 0.083      
4 H 0.066      
5 H 0.066      
6 O -0.245      
7 O -0.245      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.053 -3.340 0.000 3.340
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.299 -0.119 0.000
y -0.119 -22.022 0.000
z 0.000 0.000 -26.077
Traceless
 xyz
x 2.750 -0.119 0.000
y -0.119 1.666 0.000
z 0.000 0.000 -4.416
Polar
3z2-r2-8.832
x2-y20.723
xy-0.119
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.451 -0.007 0.000
y -0.007 3.875 0.000
z 0.000 0.000 4.800


<r2> (average value of r2) Å2
<r2> 64.313
(<r2>)1/2 8.020