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

using model chemistry: mPW1PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-320.133608
Energy at 298.15K-320.139382
Nuclear repulsion energy189.455252
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 mPW1PW91/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' 3207 3073 3.09      
2 A' 3080 2951 13.96      
3 A' 1825 1749 401.26      
4 A' 1481 1419 0.10      
5 A' 1455 1394 94.24      
6 A' 1381 1323 161.94      
7 A' 1189 1140 1.24      
8 A' 1071 1027 100.23      
9 A' 906 868 178.54      
10 A' 695 666 16.85      
11 A' 601 576 1.61      
12 A' 352 337 3.04      
13 A" 3180 3047 12.00      
14 A" 1450 1389 10.29      
15 A" 1161 1113 0.57      
16 A" 800 766 18.96      
17 A" 208 200 0.94      
18 A" 150 144 1.87      

Unscaled Zero Point Vibrational Energy (zpe) 12095.1 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 11590.7 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 mPW1PW91/cc-pVDZ
ABC
0.39932 0.15924 0.11640

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.615 0.000
O2 -1.201 0.547 0.000
O3 0.714 1.571 0.000
O4 0.708 -0.589 0.000
C5 -0.135 -1.738 0.000
H6 0.573 -2.574 0.000
H7 -0.766 -1.769 0.898
H8 -0.766 -1.769 -0.898

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.20251.19331.39672.35723.24012.66052.6605
O21.20252.17152.22092.52153.58972.52222.5222
O31.19332.17152.16003.41664.14743.76233.7623
O41.39672.22092.16001.42531.98952.09072.0907
C52.35722.52153.41661.42531.09531.09771.0977
H63.24013.58974.14741.98951.09531.80161.8016
H72.66052.52223.76232.09071.09771.80161.7962
H82.66052.52223.76232.09071.09771.80161.7962

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 113.294 O2 N1 O3 130.012
O2 N1 O4 117.203 O3 N1 O4 112.785
O4 C5 H6 103.467 O4 C5 H7 111.257
O4 C5 H8 111.257 H6 C5 H7 110.466
H6 C5 H8 110.466 H7 C5 H8 109.794
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.420      
2 O -0.239      
3 O -0.221      
4 O -0.242      
5 C 0.066      
6 H 0.075      
7 H 0.071      
8 H 0.071      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.382 -3.014 0.000 3.038
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.095 0.078 0.000
y 0.078 -26.060 0.000
z 0.000 0.000 -26.434
Traceless
 xyz
x -4.848 0.078 0.000
y 0.078 2.704 0.000
z 0.000 0.000 2.144
Polar
3z2-r24.287
x2-y2-5.034
xy0.078
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 98.825
(<r2>)1/2 9.941