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

using model chemistry: HF/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-318.608086
Energy at 298.15K-318.614125
Nuclear repulsion energy193.482587
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/aug-cc-pVTZ
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' 3314 3017 8.31      
2 A' 3217 2929 20.43      
3 A' 1848 1683 819.88      
4 A' 1626 1481 8.65      
5 A' 1615 1471 90.45      
6 A' 1531 1394 228.90      
7 A' 1324 1206 8.33      
8 A' 1200 1092 213.82      
9 A' 1052 958 43.61      
10 A' 794 723 1.32      
11 A' 670 610 18.55      
12 A' 381 347 5.54      
13 A" 3307 3010 15.38      
14 A" 1606 1462 10.17      
15 A" 1282 1167 2.66      
16 A" 930 846 25.00      
17 A" 240 219 0.41      
18 A" 141 129 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 13039.9 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 11871.5 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/aug-cc-pVTZ
ABC
0.42387 0.16339 0.12059

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.596 0.000
O2 -1.178 0.537 0.000
O3 0.675 1.551 0.000
O4 0.679 -0.545 0.000
C5 -0.103 -1.736 0.000
H6 0.636 -2.520 0.000
H7 -0.715 -1.788 0.885
H8 -0.715 -1.788 -0.885

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.17931.16971.32832.33463.17992.64162.6416
O21.17932.11252.14932.51423.55382.53002.5300
O31.16972.11252.09673.37844.07123.72383.7238
O41.32832.14932.09671.42481.97482.06682.0668
C52.33462.51423.37841.42481.07681.07741.0774
H63.17993.55384.07121.97481.07681.77301.7730
H72.64162.53003.72382.06681.07741.77301.7703
H82.64162.53003.72382.06681.07741.77301.7703

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 115.938 O2 N1 O3 128.135
O2 N1 O4 117.868 O3 N1 O4 113.996
O4 C5 H6 103.379 O4 C5 H7 110.611
O4 C5 H8 110.611 H6 C5 H7 110.784
H6 C5 H8 110.784 H7 C5 H8 110.482
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.983      
2 O -0.526      
3 O -0.602      
4 O -0.260      
5 C -0.706      
6 H 0.403      
7 H 0.353      
8 H 0.353      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.209 -3.744 0.000 3.750
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.875 -0.002 0.000
y -0.002 -26.678 0.000
z 0.000 0.000 -26.747
Traceless
 xyz
x -5.163 -0.002 0.000
y -0.002 2.633 0.000
z 0.000 0.000 2.530
Polar
3z2-r25.059
x2-y2-5.197
xy-0.002
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.252 0.471 0.000
y 0.471 6.107 0.000
z 0.000 0.000 3.614


<r2> (average value of r2) Å2
<r2> 96.503
(<r2>)1/2 9.824