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

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-244.849198
Energy at 298.15K 
HF Energy-244.597454
Nuclear repulsion energy124.229817
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=FULLultrafine/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3207 3086 1.96      
2 A' 3103 2986 1.62      
3 A' 1468 1413 11.44      
4 A' 1416 1363 24.96      
5 A' 1396 1343 45.76      
6 A' 1133 1090 0.40      
7 A' 925 890 5.46      
8 A' 660 635 21.44      
9 A' 602 579 3.70      
10 A" 3238 3116 0.12      
11 A" 1617 1556 256.78      
12 A" 1455 1400 41.05      
13 A" 1110 1069 9.87      
14 A" 477 459 1.05      
15 A" 15 14 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 10910.0 cm-1
Scaled (by 0.9623) Zero Point Vibrational Energy (zpe) 10498.7 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=FULLultrafine/aug-cc-pVDZ
ABC
0.40477 0.34962 0.19458

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.327 0.000
N2 -0.010 0.169 0.000
H3 1.052 -1.631 0.000
H4 -0.497 -1.665 0.911
H5 -0.497 -1.665 -0.911
O6 0.000 0.733 -1.095
O7 0.000 0.733 1.095

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49601.09511.09161.09162.33302.3330
N21.49602.09052.10522.10521.23181.2318
H31.09512.09051.79751.79752.81032.8103
H41.09162.10521.79751.82173.16592.4563
H51.09162.10521.79751.82172.45633.1659
O62.33301.23182.81033.16592.45632.1901
O72.33301.23182.81032.45633.16592.1901

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 117.247 C1 N2 O7 117.247
N2 C1 H3 106.542 N2 C1 H4 107.868
N2 C1 H5 107.868 H3 C1 H4 110.577
H3 C1 H5 110.577 H4 C1 H5 113.117
O6 N2 O7 125.488
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.042      
2 N 0.643      
3 H -0.110      
4 H -0.172      
5 H -0.172      
6 O -0.615      
7 O -0.615      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.018 -3.602 0.000 3.602
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -22.013 -0.065 0.000
y -0.065 -22.674 0.000
z 0.000 0.000 -26.804
Traceless
 xyz
x 2.726 -0.065 0.000
y -0.065 1.734 0.000
z 0.000 0.000 -4.460
Polar
3z2-r2-8.921
x2-y20.661
xy-0.065
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.481 -0.035 0.000
y -0.035 5.166 0.000
z 0.000 0.000 5.836


<r2> (average value of r2) Å2
<r2> 64.904
(<r2>)1/2 8.056