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All results from a given calculation for CH3NO3 (Methyl nitrate)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-320.023788
Energy at 298.15K-320.029320
HF Energy-320.023788
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3118 3057 8.97      
2 A' 3010 2951 20.53      
3 A' 1736 1702 310.04      
4 A' 1495 1466 8.04      
5 A' 1448 1420 13.22      
6 A' 1307 1282 207.25      
7 A' 1167 1144 0.77      
8 A' 989 970 57.96      
9 A' 813 798 162.34      
10 A' 622 610 34.99      
11 A' 519 509 22.66      
12 A' 329 322 1.81      
13 A" 3096 3035 24.16      
14 A" 1471 1442 6.86      
15 A" 1152 1129 0.37      
16 A" 732 717 13.93      
17 A" 201 197 1.64      
18 A" 142 139 1.70      

Unscaled Zero Point Vibrational Energy (zpe) 11673.4 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 11444.6 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 B97D3/6-31G*
ABC
0.38285 0.15301 0.11168

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.638 0.000
O2 -1.216 0.585 0.000
O3 0.748 1.587 0.000
O4 0.723 -0.631 0.000
C5 -0.163 -1.767 0.000
H6 0.525 -2.620 0.000
H7 -0.792 -1.782 0.899
H8 -0.792 -1.782 -0.899

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.21731.20851.46042.41083.30032.70062.7006
O21.21732.20522.28852.57713.64762.56712.5671
O31.20852.20522.21853.47594.21333.81233.8123
O41.46042.28852.21851.44041.99882.10432.1043
C52.41082.57713.47591.44041.09611.09761.0976
H63.30033.64764.21331.99881.09611.80211.8021
H72.70062.56713.81232.10431.09761.80211.7981
H82.70062.56713.81232.10431.09761.80211.7981

picture of Methyl nitrate state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O4 C5 116.353 O2 N1 O3 129.649
O2 N1 O4 118.305 O3 N1 O4 112.046
O4 C5 H6 104.770 O4 C5 H7 110.749
O4 C5 H8 110.749 H6 C5 H7 110.304
H6 C5 H8 110.304 H7 C5 H8 109.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.704      
2 O -0.344      
3 O -0.329      
4 O -0.349      
5 C -0.236      
6 H 0.189      
7 H 0.183      
8 H 0.183      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.533 -2.772 0.000 2.822
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.810 0.210 0.000
y 0.210 -25.676 0.000
z 0.000 0.000 -26.562
Traceless
 xyz
x -4.691 0.210 0.000
y 0.210 3.010 0.000
z 0.000 0.000 1.681
Polar
3z2-r23.361
x2-y2-5.134
xy0.210
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.766 0.325 0.000
y 0.325 6.382 0.000
z 0.000 0.000 2.850


<r2> (average value of r2) Å2
<r2> 101.965
(<r2>)1/2 10.098