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All results from a given calculation for C2H5NO3 (Nitric acid, ethyl ester)

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-359.277064
Energy at 298.15K-359.284818
HF Energy-359.277064
Nuclear repulsion energy247.351488
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 mPW1PW91/6-31G
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' 3182 3012 12.59      
2 A' 3119 2952 5.90      
3 A' 3093 2928 10.73      
4 A' 1639 1551 284.69      
5 A' 1561 1477 7.14      
6 A' 1548 1466 11.34      
7 A' 1471 1392 12.56      
8 A' 1419 1343 1.87      
9 A' 1265 1198 221.81      
10 A' 1164 1102 14.61      
11 A' 1054 998 47.41      
12 A' 919 870 67.55      
13 A' 841 796 185.89      
14 A' 691 654 21.48      
15 A' 547 518 1.70      
16 A' 369 349 1.28      
17 A' 215 204 0.66      
18 A" 3203 3032 24.13      
19 A" 3176 3007 1.77      
20 A" 1535 1453 11.20      
21 A" 1308 1238 0.02      
22 A" 1198 1134 6.64      
23 A" 854 808 1.96      
24 A" 730 691 13.80      
25 A" 244 231 0.68      
26 A" 126 119 2.35      
27 A" 70 66 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 18269.4 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 17293.8 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 mPW1PW91/6-31G
ABC
0.32194 0.07161 0.05990

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.114 -0.327 0.000
O2 0.000 0.577 0.000
O3 2.201 0.242 0.000
O4 0.865 -1.542 0.000
C5 -1.314 -0.097 0.000
C6 -2.321 1.031 0.000
H7 -1.383 -0.727 0.888
H8 -1.383 -0.727 -0.888
H9 -3.332 0.614 0.000
H10 -2.206 1.657 0.886
H11 -2.206 1.657 -0.886

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.43491.22681.23952.43953.69442.68082.68084.54503.96893.9689
O21.43492.22622.28771.47682.36532.09812.09813.33232.61182.6118
O31.22682.22622.22873.53154.59053.81763.81765.54554.71304.7130
O41.23952.28772.22872.61404.09462.55032.55034.71784.52204.5220
C52.43951.47683.53152.61401.51201.09141.09142.13952.15852.1585
C63.69442.36534.59054.09461.51202.18172.18171.09341.09151.0915
H72.68082.09813.81762.55031.09142.18171.77672.52712.52273.0844
H82.68082.09813.81762.55031.09142.18171.77672.52713.08442.5227
H94.54503.33235.54554.71782.13951.09342.52712.52711.77251.7725
H103.96892.61184.71304.52202.15851.09152.52273.08441.77251.7726
H113.96892.61184.71304.52202.15851.09153.08442.52271.77251.7726

picture of Nitric acid, ethyl ester state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 C5 113.815 O2 N1 O3 113.292
O2 N1 O4 117.419 O2 C5 C6 104.629
O2 C5 H7 108.637 O2 C5 H8 108.637
O3 N1 O4 129.289 C5 C6 H9 109.354
C5 C6 H10 110.978 C5 C6 H11 110.978
C6 C5 H7 112.872 C6 C5 H8 112.872
H7 C5 H8 108.971 H9 C6 H10 108.438
H9 C6 H11 108.438 H10 C6 H11 108.582
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.459      
2 O -0.354      
3 O -0.244      
4 O -0.270      
5 C -0.087      
6 C -0.508      
7 H 0.210      
8 H 0.210      
9 H 0.186      
10 H 0.199      
11 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.876 0.202 0.000 3.882
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.168 -0.372 0.000
y -0.372 -38.547 0.000
z 0.000 0.000 -33.241
Traceless
 xyz
x 0.726 -0.372 0.000
y -0.372 -4.343 0.000
z 0.000 0.000 3.617
Polar
3z2-r27.234
x2-y23.379
xy-0.372
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.206 -0.112 0.000
y -0.112 6.116 0.000
z 0.000 0.000 3.822


<r2> (average value of r2) Å2
<r2> 182.448
(<r2>)1/2 13.507