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

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-320.178058
Energy at 298.15K-320.183824
Nuclear repulsion energy189.483684
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 B1B95/6-311G**
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' 3183 3056 5.18      
2 A' 3069 2946 13.75      
3 A' 1797 1725 425.96      
4 A' 1499 1439 4.05      
5 A' 1463 1405 53.55      
6 A' 1369 1314 198.47      
7 A' 1192 1145 0.97      
8 A' 1057 1014 92.41      
9 A' 896 860 186.47      
10 A' 687 660 22.97      
11 A' 593 570 2.78      
12 A' 343 330 3.15      
13 A" 3156 3030 16.21      
14 A" 1468 1410 10.81      
15 A" 1171 1124 0.52      
16 A" 791 759 17.20      
17 A" 219 210 1.00      
18 A" 149 143 2.25      

Unscaled Zero Point Vibrational Energy (zpe) 12051.3 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 11570.5 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 B1B95/6-311G**
ABC
0.40017 0.15895 0.11628

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.618 0.000
O2 -1.199 0.548 0.000
O3 0.713 1.572 0.000
O4 0.710 -0.593 0.000
C5 -0.138 -1.740 0.000
H6 0.563 -2.571 0.000
H7 -0.762 -1.766 0.892
H8 -0.762 -1.766 -0.892

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.20081.19081.40312.36193.23832.65712.6571
O21.20082.16802.22372.52263.58282.51872.5187
O31.19082.16802.16433.41934.14573.75683.7568
O41.40312.22372.16431.42671.98422.08342.0834
C52.36192.52263.41931.42671.08701.08921.0892
H63.23833.58284.14571.98421.08701.78881.7888
H72.65712.51873.75682.08341.08921.78881.7838
H82.65712.51873.75682.08341.08921.78881.7838

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 113.160 O2 N1 O3 130.064
O2 N1 O4 117.086 O3 N1 O4 112.850
O4 C5 H6 103.423 O4 C5 H7 111.097
O4 C5 H8 111.097 H6 C5 H7 110.569
H6 C5 H8 110.569 H7 C5 H8 109.942
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.454      
2 O -0.254      
3 O -0.239      
4 O -0.255      
5 C -0.155      
6 H 0.149      
7 H 0.150      
8 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.441 -3.066 0.000 3.097
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.484 0.139 0.000
y 0.139 -26.190 0.000
z 0.000 0.000 -26.652
Traceless
 xyz
x -5.064 0.139 0.000
y 0.139 2.878 0.000
z 0.000 0.000 2.185
Polar
3z2-r24.371
x2-y2-5.295
xy0.139
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.750 0.437 0.000
y 0.437 6.022 0.000
z 0.000 0.000 2.837


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000