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

using model chemistry: LSDA/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-31+G**
 hartrees
Energy at 0K-318.633802
Energy at 298.15K-318.639454
Nuclear repulsion energy188.614503
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 LSDA/6-31+G**
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' 3113 3066 0.54      
2 A' 2987 2943 10.25      
3 A' 1776 1749 383.81      
4 A' 1433 1412 3.00      
5 A' 1400 1379 114.45      
6 A' 1334 1314 131.67      
7 A' 1141 1124 2.33      
8 A' 1052 1036 62.23      
9 A' 845 832 172.19      
10 A' 668 658 21.51      
11 A' 573 564 5.66      
12 A' 343 338 4.21      
13 A" 3077 3030 6.49      
14 A" 1398 1377 16.34      
15 A" 1124 1107 0.01      
16 A" 757 745 11.08      
17 A" 194 191 2.04      
18 A" 153 151 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 11682.3 cm-1
Scaled (by 0.985) Zero Point Vibrational Energy (zpe) 11507.1 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 LSDA/6-31+G**
ABC
0.39353 0.15905 0.11581

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.617 0.000
O2 -1.210 0.531 0.000
O3 0.716 1.584 0.000
O4 0.719 -0.600 0.000
C5 -0.135 -1.728 0.000
H6 0.559 -2.581 0.000
H7 -0.772 -1.748 0.900
H8 -0.772 -1.748 -0.900

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.21291.20361.41272.34833.24592.64572.6457
O21.21292.19462.23582.50173.57972.48972.4897
O31.20362.19462.18403.41984.16813.75923.7592
O41.41272.23582.18401.41511.98772.08652.0865
C52.34832.50173.41981.41511.09981.10301.1030
H63.24593.57974.16811.98771.09981.80991.8099
H72.64572.48973.75922.08651.10301.80991.8003
H82.64572.48973.75922.08651.10301.80991.8003

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 112.283 O2 N1 O3 130.511
O2 N1 O4 116.557 O3 N1 O4 112.932
O4 C5 H6 103.729 O4 C5 H7 111.313
O4 C5 H8 111.313 H6 C5 H7 110.498
H6 C5 H8 110.498 H7 C5 H8 109.397
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.067      
2 O -0.108      
3 O -0.068      
4 O -0.031      
5 C -0.351      
6 H 0.205      
7 H 0.210      
8 H 0.210      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.468 -3.206 0.000 3.240
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.149 0.161 0.000
y 0.161 -26.831 0.000
z 0.000 0.000 -27.402
Traceless
 xyz
x -5.032 0.161 0.000
y 0.161 2.945 0.000
z 0.000 0.000 2.088
Polar
3z2-r24.176
x2-y2-5.318
xy0.161
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.613 0.324 0.000
y 0.324 7.186 0.000
z 0.000 0.000 3.641


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000