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

using model chemistry: BLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-311G**
 hartrees
Energy at 0K-320.247118
Energy at 298.15K-320.252524
Nuclear repulsion energy184.001823
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 BLYP/6-311G**
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' 3059 3047 7.49      
2 A' 2962 2950 18.24      
3 A' 1652 1645 324.80      
4 A' 1461 1455 8.63      
5 A' 1412 1406 13.21      
6 A' 1251 1246 216.49      
7 A' 1139 1134 0.29      
8 A' 948 944 39.97      
9 A' 793 790 155.87      
10 A' 593 591 35.36      
11 A' 486 484 35.04      
12 A' 311 310 1.05      
13 A" 3035 3023 25.07      
14 A" 1425 1420 8.88      
15 A" 1127 1123 0.36      
16 A" 703 700 12.41      
17 A" 179 178 2.51      
18 A" 131 131 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 11331.8 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 11287.7 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 BLYP/6-311G**
ABC
0.37628 0.14909 0.10904

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.656 0.000
O2 -1.220 0.609 0.000
O3 0.764 1.595 0.000
O4 0.728 -0.656 0.000
C5 -0.177 -1.788 0.000
H6 0.501 -2.650 0.000
H7 -0.807 -1.798 0.900
H8 -0.807 -1.798 -0.900

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.22131.21071.50102.45103.34432.73612.7361
O21.22132.21632.32342.61423.68572.60292.6029
O31.21072.21632.25173.51214.25373.84653.8465
O41.50102.32342.25171.44992.00712.11472.1147
C52.45102.61423.51211.44991.09681.09821.0982
H63.34433.68574.25372.00711.09681.80161.8016
H72.73612.60293.84652.11471.09821.80161.7993
H82.73612.60293.84652.11471.09821.80161.7993

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 112.306 O2 N1 O3 131.371
O2 N1 O4 116.807 O3 N1 O4 111.822
O4 C5 H6 103.143 O4 C5 H7 111.433
O4 C5 H8 111.433 H6 C5 H7 110.328
H6 C5 H8 110.328 H7 C5 H8 110.006
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.378      
2 O -0.204      
3 O -0.191      
4 O -0.259      
5 C -0.104      
6 H 0.130      
7 H 0.125      
8 H 0.125      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.627 -2.600 0.000 2.674
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.603 0.278 0.000
y 0.278 -26.179 0.000
z 0.000 0.000 -27.100
Traceless
 xyz
x -4.963 0.278 0.000
y 0.278 3.172 0.000
z 0.000 0.000 1.791
Polar
3z2-r23.582
x2-y2-5.424
xy0.278
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.059 0.392 0.000
y 0.392 6.868 0.000
z 0.000 0.000 2.952


<r2> (average value of r2) Å2
<r2> 104.330
(<r2>)1/2 10.214