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

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-320.018198
Energy at 298.15K-320.023714
HF Energy-320.018198
Nuclear repulsion energy186.378192
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 PBEPBE/Def2TZVPP
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' 3080 3043 4.12      
2 A' 2977 2941 15.62      
3 A' 1693 1673 368.28      
4 A' 1447 1429 7.75      
5 A' 1403 1386 24.71      
6 A' 1284 1268 199.37      
7 A' 1142 1129 0.54      
8 A' 989 977 50.17      
9 A' 809 800 169.43      
10 A' 623 616 37.43      
11 A' 523 516 27.48      
12 A' 321 317 1.71      
13 A" 3057 3020 15.69      
14 A" 1416 1399 10.00      
15 A" 1126 1112 0.25      
16 A" 738 729 10.03      
17 A" 186 184 1.48      
18 A" 142 140 1.27      

Unscaled Zero Point Vibrational Energy (zpe) 11477.5 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 11338.7 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 PBEPBE/Def2TZVPP
ABC
0.38582 0.15373 0.11231

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.617 0.000
O2 -1.213 0.581 0.000
O3 0.750 1.564 0.000
O4 0.680 -0.577 0.000
C5 -0.133 -1.773 0.000
H6 0.580 -2.598 0.000
H7 -0.759 -1.814 0.893
H8 -0.759 -1.814 -0.893

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 H6 H7 H8
N11.21351.20831.37402.39333.26692.69902.6990
O21.21352.19542.21942.58963.65002.59632.5963
O31.20832.19542.14233.45194.16583.80663.8066
O41.37402.21942.14231.44632.02362.09802.0980
C52.39332.58963.45191.44631.09101.09151.0915
H63.26693.65004.16582.02361.09101.79071.7907
H72.69902.59633.80662.09801.09151.79071.7862
H82.69902.59633.80662.09801.09151.79071.7862

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 116.089 O2 N1 O3 130.053
O2 N1 O4 117.989 O3 N1 O4 111.958
O4 C5 H6 104.929 O4 C5 H7 110.741
O4 C5 H8 110.741 H6 C5 H7 110.265
H6 C5 H8 110.265 H7 C5 H8 109.813
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.407      
2 O -0.242      
3 O -0.218      
4 O -0.152      
5 C -0.176      
6 H 0.124      
7 H 0.129      
8 H 0.129      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.508 -2.760 0.000 2.807
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.554 0.173 0.000
y 0.173 -26.581 0.000
z 0.000 0.000 -27.148
Traceless
 xyz
x -4.690 0.173 0.000
y 0.173 2.770 0.000
z 0.000 0.000 1.920
Polar
3z2-r23.840
x2-y2-4.974
xy0.173
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.578 0.370 0.000
y 0.370 7.347 0.000
z 0.000 0.000 3.647


<r2> (average value of r2) Å2
<r2> 101.980
(<r2>)1/2 10.099