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

using model chemistry: B1B95/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 B1B95/CEP-31G*
 hartrees
Energy at 0K-65.088345
Energy at 298.15K-65.094130
Nuclear repulsion energy105.064748
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/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 3066 12.49      
2 A' 3090 2958 21.38      
3 A' 1800 1723 413.09      
4 A' 1494 1430 5.71      
5 A' 1470 1407 53.28      
6 A' 1375 1316 208.59      
7 A' 1193 1142 0.89      
8 A' 1074 1028 113.16      
9 A' 900 862 154.01      
10 A' 684 655 7.86      
11 A' 587 562 1.29      
12 A' 337 323 3.47      
13 A" 3186 3050 25.98      
14 A" 1473 1410 8.52      
15 A" 1165 1115 0.07      
16 A" 770 737 13.18      
17 A" 263 252 0.83      
18 A" 152 146 2.74      

Unscaled Zero Point Vibrational Energy (zpe) 12109.2 cm-1
Scaled (by 0.9572) Zero Point Vibrational Energy (zpe) 11591.0 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/CEP-31G*
ABC
0.38930 0.15663 0.11417

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.614 0.000
O2 -1.221 0.539 0.000
O3 0.716 1.596 0.000
O4 0.719 -0.592 0.000
C5 -0.129 -1.749 0.000
H6 0.582 -2.587 0.000
H7 -0.759 -1.780 0.901
H8 -0.759 -1.780 -0.901

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.22361.21541.40402.36663.25282.66762.6676
O21.22362.20662.24622.53603.60862.53022.5302
O31.21542.20662.18793.45034.18473.79233.7923
O41.40402.24622.18791.43491.99942.09962.0996
C52.36662.53603.45031.43491.09821.10011.1001
H63.25283.60864.18471.99941.09821.80601.8060
H72.66762.53023.79232.09961.10011.80601.8021
H82.66762.53023.79232.09961.10011.80601.8021

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 112.944 O2 N1 O3 129.573
O2 N1 O4 117.329 O3 N1 O4 113.098
O4 C5 H6 103.434 O4 C5 H7 111.152
O4 C5 H8 111.152 H6 C5 H7 110.484
H6 C5 H8 110.484 H7 C5 H8 109.986
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.021      
2 O -0.061      
3 O -0.055      
4 O -0.079      
5 C -0.457      
6 H 0.225      
7 H 0.203      
8 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.420 -3.342 0.000 3.369
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.313 0.158 0.000
y 0.158 -25.992 0.000
z 0.000 0.000 -26.465
Traceless
 xyz
x -5.085 0.158 0.000
y 0.158 2.897 0.000
z 0.000 0.000 2.188
Polar
3z2-r24.375
x2-y2-5.321
xy0.158
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.813 0.427 0.000
y 0.427 6.010 0.000
z 0.000 0.000 2.756


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