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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-65.040560
Energy at 298.15K-65.045980
Nuclear repulsion energy101.159237
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/CEP-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' 3203 3102 11.66      
2 A' 3072 2975 18.71      
3 A' 1528 1479 227.19      
4 A' 1498 1451 22.06      
5 A' 1448 1403 18.07      
6 A' 1201 1163 194.85      
7 A' 1162 1125 8.29      
8 A' 954 924 101.35      
9 A' 810 785 107.81      
10 A' 612 592 7.03      
11 A' 525 509 2.32      
12 A' 308 298 4.53      
13 A" 3190 3090 32.72      
14 A" 1470 1423 12.88      
15 A" 1137 1101 0.00      
16 A" 668 647 7.21      
17 A" 186 180 2.26      
18 A" 129 125 4.39      

Unscaled Zero Point Vibrational Energy (zpe) 11550.7 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 11185.7 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 B3LYP/CEP-31G
ABC
0.35929 0.14440 0.10512

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.663 0.000
O2 -1.278 0.586 0.000
O3 0.732 1.696 0.000
O4 0.758 -0.589 0.000
C5 -0.110 -1.803 0.000
H6 0.632 -2.612 0.000
H7 -0.733 -1.826 0.905
H8 -0.733 -1.826 -0.905

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.28021.26591.46372.46823.33572.74802.7480
O21.28022.29612.35072.65853.72482.63242.6324
O31.26592.29612.28483.59854.30933.92033.9203
O41.46372.35072.28481.49262.02742.13892.1389
C52.46822.65853.59851.49261.09821.09911.0991
H63.33573.72484.30932.02741.09821.81711.8171
H72.74802.63243.92032.13891.09911.81711.8096
H82.74802.63243.92032.13891.09911.81711.8096

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 113.213 O2 N1 O3 128.795
O2 N1 O4 117.738 O3 N1 O4 113.467
O4 C5 H6 101.912 O4 C5 H7 110.315
O4 C5 H8 110.315 H6 C5 H7 111.583
H6 C5 H8 111.583 H7 C5 H8 110.819
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.085      
2 O -0.049      
3 O -0.032      
4 O -0.099      
5 C -0.384      
6 H 0.223      
7 H 0.213      
8 H 0.213      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.601 -3.873 0.000 3.919
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.931 0.264 0.000
y 0.264 -26.004 0.000
z 0.000 0.000 -27.083
Traceless
 xyz
x -6.387 0.264 0.000
y 0.264 4.002 0.000
z 0.000 0.000 2.385
Polar
3z2-r24.769
x2-y2-6.926
xy0.264
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.132 0.469 0.000
y 0.469 6.644 0.000
z 0.000 0.000 2.440


<r2> (average value of r2) Å2
<r2> 87.615
(<r2>)1/2 9.360