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

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G*
 hartrees
Energy at 0K-319.853349
Energy at 298.15K-319.859125
HF Energy-319.853349
Nuclear repulsion energy189.357146
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 PBE1PBE/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' 3215 3055 4.42      
2 A' 3100 2946 13.24      
3 A' 1829 1738 382.07      
4 A' 1524 1449 4.71      
5 A' 1491 1417 56.39      
6 A' 1396 1327 194.20      
7 A' 1208 1148 1.49      
8 A' 1084 1030 110.83      
9 A' 917 871 157.27      
10 A' 701 666 9.88      
11 A' 605 575 1.20      
12 A' 353 336 3.73      
13 A" 3193 3034 12.56      
14 A" 1502 1428 9.73      
15 A" 1185 1126 0.51      
16 A" 797 757 18.56      
17 A" 214 203 1.07      
18 A" 152 144 1.85      

Unscaled Zero Point Vibrational Energy (zpe) 12233.3 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 11625.3 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 PBE1PBE/6-31G*
ABC
0.39814 0.15936 0.11634

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.611 0.000
O2 -1.205 0.542 0.000
O3 0.713 1.575 0.000
O4 0.709 -0.586 0.000
C5 -0.132 -1.738 0.000
H6 0.577 -2.567 0.000
H7 -0.758 -1.768 0.894
H8 -0.758 -1.768 -0.894

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.20711.19891.39102.35263.23002.65272.6527
O21.20712.17832.22172.52003.58352.51752.5175
O31.19892.17832.16093.41894.14443.76073.7607
O41.39102.22172.16091.42641.98572.08622.0862
C52.35262.52003.41891.42641.09071.09251.0925
H63.23003.58354.14441.98571.09071.79461.7946
H72.65272.51753.76072.08621.09251.79461.7889
H82.65272.51753.76072.08621.09251.79461.7889

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 113.233 O2 N1 O3 129.744
O2 N1 O4 117.369 O3 N1 O4 112.886
O4 C5 H6 103.359 O4 C5 H7 111.139
O4 C5 H8 111.139 H6 C5 H7 110.573
H6 C5 H8 110.573 H7 C5 H8 109.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.766      
2 O -0.379      
3 O -0.361      
4 O -0.361      
5 C -0.296      
6 H 0.214      
7 H 0.209      
8 H 0.209      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.381 -3.143 0.000 3.166
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.112 0.099 0.000
y 0.099 -26.035 0.000
z 0.000 0.000 -26.573
Traceless
 xyz
x -4.808 0.099 0.000
y 0.099 2.808 0.000
z 0.000 0.000 2.000
Polar
3z2-r24.000
x2-y2-5.078
xy0.099
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.580 0.366 0.000
y 0.366 5.786 0.000
z 0.000 0.000 2.788


<r2> (average value of r2) Å2
<r2> 98.843
(<r2>)1/2 9.942