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

using model chemistry: LSDA/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 LSDA/6-31G**
 hartrees
Energy at 0K-318.617200
Energy at 298.15K-318.622874
Nuclear repulsion energy188.861073
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/6-31G**
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' 3112 3054 1.44      
2 A' 2988 2932 10.31      
3 A' 1809 1775 309.60      
4 A' 1444 1417 1.19      
5 A' 1412 1386 121.85      
6 A' 1340 1315 105.06      
7 A' 1144 1123 3.82      
8 A' 1061 1041 59.70      
9 A' 857 841 159.79      
10 A' 671 658 17.10      
11 A' 577 566 2.93      
12 A' 350 343 4.16      
13 A" 3074 3016 8.30      
14 A" 1406 1380 13.31      
15 A" 1129 1108 0.00      
16 A" 760 746 14.51      
17 A" 193 189 1.83      
18 A" 157 154 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 11742.0 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 11522.4 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/6-31G**
ABC
0.39352 0.15999 0.11629

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.616 0.000
O2 -1.208 0.525 0.000
O3 0.715 1.582 0.000
O4 0.723 -0.600 0.000
C5 -0.137 -1.719 0.000
H6 0.547 -2.580 0.000
H7 -0.779 -1.738 0.897
H8 -0.779 -1.738 -0.897

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.21181.20251.41412.33903.24242.63622.6362
O21.21182.19482.23512.48703.56722.47182.4718
O31.20252.19482.18223.41004.16623.74963.7496
O41.41412.23512.18221.41201.98842.08692.0869
C52.33902.48703.41001.41201.09961.10301.1030
H63.24243.56724.16621.98841.09961.80881.8088
H72.63622.47183.74962.08691.10301.80881.7942
H82.63622.47183.74962.08691.10301.80881.7942

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 111.717 O2 N1 O3 130.766
O2 N1 O4 116.465 O3 N1 O4 112.768
O4 C5 H6 103.994 O4 C5 H7 111.562
O4 C5 H8 111.562 H6 C5 H7 110.413
H6 C5 H8 110.413 H7 C5 H8 108.844
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.644      
2 O -0.325      
3 O -0.315      
4 O -0.304      
5 C -0.230      
6 H 0.178      
7 H 0.177      
8 H 0.177      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.417 -2.886 0.000 2.916
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.977 0.056 0.000
y 0.056 -26.094 0.000
z 0.000 0.000 -26.700
Traceless
 xyz
x -4.580 0.056 0.000
y 0.056 2.744 0.000
z 0.000 0.000 1.836
Polar
3z2-r23.671
x2-y2-4.883
xy0.056
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.665 0.345 0.000
y 0.345 6.265 0.000
z 0.000 0.000 2.900


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