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

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-318.365514
Energy at 298.15K-318.371261
Nuclear repulsion energy186.727690
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 HF/LANL2DZ
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' 3418 3076 6.71      
2 A' 3283 2954 20.06      
3 A' 1644 1479 47.61      
4 A' 1604 1443 155.18      
5 A' 1594 1434 507.67      
6 A' 1361 1225 245.23      
7 A' 1297 1167 20.66      
8 A' 1118 1006 164.87      
9 A' 944 850 24.44      
10 A' 700 630 3.00      
11 A' 600 540 31.36      
12 A' 345 310 7.66      
13 A" 3403 3062 20.81      
14 A" 1629 1466 15.42      
15 A" 1271 1144 1.74      
16 A" 788 709 29.03      
17 A" 211 190 1.55      
18 A" 126 113 5.53      

Unscaled Zero Point Vibrational Energy (zpe) 12667.0 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 11399.1 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 HF/LANL2DZ
ABC
0.39292 0.15224 0.11204

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.613 0.000
O2 -1.238 0.542 0.000
O3 0.684 1.619 0.000
O4 0.706 -0.563 0.000
C5 -0.085 -1.803 0.000
H6 0.677 -2.561 0.000
H7 -0.693 -1.848 0.887
H8 -0.693 -1.848 -0.887

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.23981.21711.37162.41723.24532.70622.7062
O21.23982.20302.23632.61363.64692.60762.6076
O31.21712.20302.18283.50784.18073.83503.8350
O41.37162.23632.18281.47051.99822.09632.0963
C52.41722.61363.50781.47051.07491.07631.0763
H63.24533.64694.18071.99821.07491.78091.7809
H72.70622.60763.83502.09631.07631.78091.7739
H82.70622.60763.83502.09631.07631.78091.7739

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 116.492 O2 N1 O3 127.442
O2 N1 O4 117.729 O3 N1 O4 114.829
O4 C5 H6 102.329 O4 C5 H7 109.830
O4 C5 H8 109.830 H6 C5 H7 111.761
H6 C5 H8 111.761 H7 C5 H8 110.994
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.489      
2 O -0.318      
3 O -0.251      
4 O -0.323      
5 C -0.283      
6 H 0.223      
7 H 0.231      
8 H 0.231      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.308 -4.542 0.000 4.553
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.256 0.249 0.000
y 0.249 -26.653 0.000
z 0.000 0.000 -27.229
Traceless
 xyz
x -7.315 0.249 0.000
y 0.249 4.090 0.000
z 0.000 0.000 3.226
Polar
3z2-r26.451
x2-y2-7.603
xy0.249
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.853 0.714 0.000
y 0.714 5.451 0.000
z 0.000 0.000 2.362


<r2> (average value of r2) Å2
<r2> 102.771
(<r2>)1/2 10.138