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

using model chemistry: HF/STO-3G

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/STO-3G
 hartrees
Energy at 0K-314.251923
Energy at 298.15K-314.257340
Nuclear repulsion energy183.265531
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/STO-3G
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' 3740 3054 3.21      
2 A' 3547 2896 0.06      
3 A' 1788 1460 110.17      
4 A' 1775 1450 116.99      
5 A' 1712 1398 3.27      
6 A' 1496 1222 104.99      
7 A' 1360 1111 2.14      
8 A' 1302 1063 18.73      
9 A' 1020 833 14.10      
10 A' 640 523 8.15      
11 A' 553 452 15.47      
12 A' 353 288 2.26      
13 A" 3726 3043 0.02      
14 A" 1763 1440 5.09      
15 A" 1303 1064 3.93      
16 A" 618 504 13.64      
17 A" 224 183 0.44      
18 A" 114 93 1.69      

Unscaled Zero Point Vibrational Energy (zpe) 13517.2 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 11036.8 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/STO-3G
ABC
0.36315 0.15297 0.10988

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.602 0.000
O2 -1.271 0.525 0.000
O3 0.722 1.643 0.000
O4 0.765 -0.610 0.000
C5 -0.126 -1.753 0.000
H6 0.538 -2.619 0.000
H7 -0.756 -1.771 0.893
H8 -0.756 -1.771 -0.893

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.27331.26691.43382.35843.26582.64562.6456
O21.27332.28522.33122.54923.62712.51622.5162
O31.26692.28522.25403.50044.26623.82583.8258
O41.43382.33122.25401.44912.02152.11142.1114
C52.35842.54923.50041.44911.09141.09271.0927
H63.26583.62714.26622.02151.09141.78641.7864
H72.64562.51623.82582.11141.09271.78641.7850
H82.64562.51623.82582.11141.09271.78641.7850

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 109.783 O2 N1 O3 128.219
O2 N1 O4 118.777 O3 N1 O4 113.004
O4 C5 H6 104.561 O4 C5 H7 111.570
O4 C5 H8 111.570 H6 C5 H7 109.748
H6 C5 H8 109.748 H7 C5 H8 109.532
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.243      
2 O -0.183      
3 O -0.151      
4 O -0.123      
5 C -0.068      
6 H 0.098      
7 H 0.092      
8 H 0.092      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.231 -2.819 0.000 2.828
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.191 -0.037 0.000
y -0.037 -24.947 0.000
z 0.000 0.000 -24.311
Traceless
 xyz
x -4.562 -0.037 0.000
y -0.037 1.804 0.000
z 0.000 0.000 2.758
Polar
3z2-r25.516
x2-y2-4.244
xy-0.037
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.125 0.574 0.000
y 0.574 3.796 0.000
z 0.000 0.000 1.155


<r2> (average value of r2) Å2
<r2> 102.120
(<r2>)1/2 10.105