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

using model chemistry: B3PW91/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 B3PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-244.962315
Energy at 298.15K 
HF Energy-244.962315
Nuclear repulsion energy125.055485
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 B3PW91/aug-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' 3192 3079 1.96      
2 A' 3087 2978 0.76      
3 A' 1467 1415 67.20      
4 A' 1443 1392 32.08      
5 A' 1386 1337 11.86      
6 A' 1123 1083 1.19      
7 A' 945 911 11.15      
8 A' 670 647 18.47      
9 A' 617 595 3.97      
10 A" 3225 3111 0.14      
11 A" 1674 1615 340.84      
12 A" 1435 1384 35.13      
13 A" 1099 1061 8.70      
14 A" 480 463 1.05      
15 A" 32 31 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 10937.8 cm-1
Scaled (by 0.9646) Zero Point Vibrational Energy (zpe) 10550.6 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 B3PW91/aug-cc-pVDZ
ABC
0.41175 0.35281 0.19717

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 -1.320 0.000
N2 -0.010 0.172 0.000
H3 1.053 -1.624 0.000
H4 -0.495 -1.662 0.912
H5 -0.495 -1.662 -0.912
O6 0.000 0.729 -1.085
O7 0.000 0.729 1.085

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 O6 O7
C11.49171.09611.09221.09222.31882.3188
N21.49172.08702.10452.10451.21991.2199
H31.09612.08701.79671.79672.79742.7974
H41.09222.10451.79671.82323.15442.4482
H51.09222.10451.79671.82322.44823.1544
O62.31881.21992.79743.15442.44822.1699
O72.31881.21992.79742.44823.15442.1699

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 117.197 C1 N2 O7 117.197
N2 C1 H3 106.503 N2 C1 H4 108.075
N2 C1 H5 108.075 H3 C1 H4 110.378
H3 C1 H5 110.378 H4 C1 H5 113.157
O6 N2 O7 125.589
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.880      
2 N 0.671      
3 H -0.049      
4 H -0.124      
5 H -0.124      
6 O -0.627      
7 O -0.627      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.027 -3.586 0.000 3.586
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.654 -0.076 0.000
y -0.076 -22.264 0.000
z 0.000 0.000 -26.448
Traceless
 xyz
x 2.702 -0.076 0.000
y -0.076 1.787 0.000
z 0.000 0.000 -4.489
Polar
3z2-r2-8.978
x2-y20.610
xy-0.076
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.447 -0.038 0.000
y -0.038 5.118 0.000
z 0.000 0.000 5.675


<r2> (average value of r2) Å2
<r2> 64.079
(<r2>)1/2 8.005