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

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-320.189438
Energy at 298.15K-320.195106
Nuclear repulsion energy187.522742
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 B3LYP/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' 3184 3058 6.08      
2 A' 3080 2958 14.55      
3 A' 1758 1688 351.48      
4 A' 1525 1464 7.67      
5 A' 1482 1423 19.06      
6 A' 1347 1293 210.59      
7 A' 1199 1151 2.14      
8 A' 1035 994 94.20      
9 A' 874 839 164.57      
10 A' 667 641 19.34      
11 A' 575 552 1.98      
12 A' 342 328 3.08      
13 A" 3166 3040 16.13      
14 A" 1501 1442 7.85      
15 A" 1178 1131 0.73      
16 A" 766 735 17.42      
17 A" 202 194 1.20      
18 A" 146 140 1.79      

Unscaled Zero Point Vibrational Energy (zpe) 12011.9 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 11535.0 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 B3LYP/6-31G*
ABC
0.39072 0.15583 0.11383

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.621 0.000
O2 -1.214 0.561 0.000
O3 0.726 1.585 0.000
O4 0.714 -0.602 0.000
C5 -0.141 -1.758 0.000
H6 0.566 -2.589 0.000
H7 -0.767 -1.784 0.895
H8 -0.767 -1.784 -0.895

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.21531.20661.41642.38373.26022.67902.6790
O21.21532.19372.25132.55493.61792.54962.5496
O31.20662.19372.18683.45394.17753.79253.7925
O41.41642.25132.18681.43851.99322.09612.0961
C52.38372.55493.45391.43851.09111.09241.0924
H63.26023.61794.17751.99321.09111.79581.7958
H72.67902.54963.79252.09611.09241.79581.7904
H82.67902.54963.79252.09611.09241.79581.7904

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 113.225 O2 N1 O3 129.858
O2 N1 O4 117.423 O3 N1 O4 112.719
O4 C5 H6 103.128 O4 C5 H7 111.090
O4 C5 H8 111.090 H6 C5 H7 110.656
H6 C5 H8 110.656 H7 C5 H8 110.056
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.742 0.827 0.861 0.825
2 O -0.370 -0.383 -0.432 -0.380
3 O -0.350 -0.380 -0.392 -0.379
4 O -0.356 -0.324 -0.645 -0.312
5 C -0.220 0.028 0.405 -0.057
6 H 0.187 0.099 0.071 0.124
7 H 0.184 0.066 0.066 0.090
8 H 0.184 0.066 0.066 0.090


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.421 -3.081 0.000 3.110
CHELPG -0.440 -3.133 0.000 3.163
AIM 0.478 0.808 0.000 0.938
ESP -0.462 -3.141 0.000 3.175


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.164 0.134 0.000
y 0.134 -25.996 0.000
z 0.000 0.000 -26.610
Traceless
 xyz
x -4.862 0.134 0.000
y 0.134 2.891 0.000
z 0.000 0.000 1.970
Polar
3z2-r23.941
x2-y2-5.169
xy0.134
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.640 0.357 0.000
y 0.357 5.960 0.000
z 0.000 0.000 2.785


<r2> (average value of r2) Å2
<r2> 100.577
(<r2>)1/2 10.029