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

using model chemistry: B3LYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/cc-pVDZ
 hartrees
Energy at 0K-320.214568
Energy at 298.15K-320.220252
Nuclear repulsion energy187.688309
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 B3LYP/cc-pVDZ
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' 3163 3068 4.65      
2 A' 3048 2957 15.34      
3 A' 1762 1709 368.10      
4 A' 1472 1428 2.75      
5 A' 1438 1395 40.46      
6 A' 1340 1300 197.39      
7 A' 1176 1140 1.20      
8 A' 1028 998 83.04      
9 A' 867 841 179.56      
10 A' 662 642 26.24      
11 A' 571 554 4.71      
12 A' 343 333 2.42      
13 A" 3138 3044 15.88      
14 A" 1440 1397 8.85      
15 A" 1151 1116 0.73      
16 A" 770 747 17.81      
17 A" 204 198 0.98      
18 A" 146 142 1.82      

Unscaled Zero Point Vibrational Energy (zpe) 11859.2 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 11503.5 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 B3LYP/cc-pVDZ
ABC
0.39189 0.15601 0.11405

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.626 0.000
O2 -1.209 0.563 0.000
O3 0.727 1.581 0.000
O4 0.714 -0.605 0.000
C5 -0.145 -1.755 0.000
H6 0.560 -2.597 0.000
H7 -0.777 -1.782 0.900
H8 -0.777 -1.782 -0.900

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.21041.20071.42232.38543.27102.68492.6849
O21.21042.18752.24932.55073.62132.54822.5482
O31.20072.18752.18543.44834.18133.79203.7920
O41.42232.24932.18541.43591.99842.10182.1018
C52.38542.55073.44831.43591.09791.09991.0999
H63.27103.62134.18131.99841.09791.80611.8061
H72.68492.54823.79202.10181.09991.80611.7998
H82.68492.54823.79202.10181.09991.80611.7998

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 113.143 O2 N1 O3 130.264
O2 N1 O4 117.153 O3 N1 O4 112.583
O4 C5 H6 103.323 O4 C5 H7 111.271
O4 C5 H8 111.271 H6 C5 H7 110.519
H6 C5 H8 110.519 H7 C5 H8 109.798
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.391      
2 O -0.224      
3 O -0.204      
4 O -0.236      
5 C 0.121      
6 H 0.054      
7 H 0.049      
8 H 0.049      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.415 -2.900 0.000 2.930
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.174 0.100 0.000
y 0.100 -26.116 0.000
z 0.000 0.000 -26.542
Traceless
 xyz
x -4.845 0.100 0.000
y 0.100 2.743 0.000
z 0.000 0.000 2.103
Polar
3z2-r24.206
x2-y2-5.059
xy0.100
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.638 0.423 0.000
y 0.423 6.049 0.000
z 0.000 0.000 2.722


<r2> (average value of r2) Å2
<r2> 100.490
(<r2>)1/2 10.024