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

using model chemistry: B97D3/6-31+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 B97D3/6-31+G**
 hartrees
Energy at 0K-320.042576
Energy at 298.15K-320.048064
HF Energy-320.042576
Nuclear repulsion energy185.649066
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 B97D3/6-31+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' 3118 3064 5.66      
2 A' 3005 2954 21.10      
3 A' 1706 1677 381.72      
4 A' 1472 1446 8.69      
5 A' 1427 1403 16.60      
6 A' 1294 1272 218.91      
7 A' 1156 1137 0.52      
8 A' 974 957 56.41      
9 A' 802 788 169.94      
10 A' 617 606 41.55      
11 A' 514 505 31.81      
12 A' 320 315 1.75      
13 A" 3097 3044 19.15      
14 A" 1445 1420 9.56      
15 A" 1140 1120 0.47      
16 A" 728 715 10.00      
17 A" 189 186 2.13      
18 A" 134 132 1.81      

Unscaled Zero Point Vibrational Energy (zpe) 11568.1 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 11369.2 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 B97D3/6-31+G**
ABC
0.38320 0.15215 0.11125

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.640 0.000
O2 -1.217 0.589 0.000
O3 0.749 1.589 0.000
O4 0.719 -0.630 0.000
C5 -0.161 -1.776 0.000
H6 0.535 -2.621 0.000
H7 -0.787 -1.792 0.900
H8 -0.787 -1.792 -0.900

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.21781.20921.45932.42063.30432.70962.7096
O21.21782.20532.28782.58953.65682.58122.5812
O31.20922.20532.21983.48584.21593.82123.8212
O41.45932.28782.21981.44471.99942.10462.1046
C52.42062.58953.48581.44471.09511.09651.0965
H63.30433.65684.21591.99941.09511.80161.8016
H72.70962.58123.82122.10461.09651.80161.8000
H82.70962.58123.82122.10461.09651.80161.8000

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 116.961 O2 N1 O3 129.327
O2 N1 O4 118.454 O3 N1 O4 112.219
O4 C5 H6 104.850 O4 C5 H7 110.699
O4 C5 H8 110.699 H6 C5 H7 110.262
H6 C5 H8 110.262 H7 C5 H8 109.971
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.113      
2 O -0.075      
3 O -0.044      
4 O -0.056      
5 C -0.236      
6 H 0.173      
7 H 0.175      
8 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.598 -3.039 0.000 3.097
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.858 0.327 0.000
y 0.327 -26.375 0.000
z 0.000 0.000 -27.236
Traceless
 xyz
x -5.052 0.327 0.000
y 0.327 3.171 0.000
z 0.000 0.000 1.881
Polar
3z2-r23.761
x2-y2-5.482
xy0.327
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.711 0.309 0.000
y 0.309 7.350 0.000
z 0.000 0.000 3.611


<r2> (average value of r2) Å2
<r2> 102.793
(<r2>)1/2 10.139