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

using model chemistry: B3LYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/6-31G(2df,p)
 hartrees
Energy at 0K-359.539171
Energy at 298.15K-359.547043
HF Energy-359.539171
Nuclear repulsion energy251.059389
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/6-31G(2df,p)
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' 3128 3019 14.51      
2 A' 3060 2953 11.68      
3 A' 3052 2946 11.18      
4 A' 1745 1684 360.28      
5 A' 1520 1467 2.32      
6 A' 1496 1444 4.98      
7 A' 1418 1368 1.66      
8 A' 1401 1352 33.09      
9 A' 1330 1283 222.64      
10 A' 1142 1102 13.60      
11 A' 1037 1001 54.70      
12 A' 928 895 79.16      
13 A' 885 854 177.99      
14 A' 714 689 18.09      
15 A' 572 552 1.36      
16 A' 377 364 0.67      
17 A' 225 217 0.46      
18 A" 3137 3027 24.86      
19 A" 3105 2996 5.63      
20 A" 1484 1432 5.36      
21 A" 1284 1239 0.75      
22 A" 1181 1140 4.02      
23 A" 820 791 0.02      
24 A" 783 756 13.93      
25 A" 251 243 0.39      
26 A" 133 128 0.73      
27 A" 80 78 0.32      

Unscaled Zero Point Vibrational Energy (zpe) 18143.3 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 17508.3 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/6-31G(2df,p)
ABC
0.33400 0.07334 0.06153

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.108 -0.307 0.000
O2 0.000 0.562 0.000
O3 2.158 0.278 0.000
O4 0.885 -1.495 0.000
C5 -1.276 -0.117 0.000
C6 -2.327 0.978 0.000
H7 -1.344 -0.754 0.886
H8 -1.344 -0.754 -0.886
H9 -3.321 0.522 0.000
H10 -2.236 1.609 0.888
H11 -2.236 1.609 -0.888

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.40821.20091.20932.39203.66812.64612.64614.50683.95503.9550
O21.40822.17612.23941.44552.36422.07942.07943.32162.62362.6236
O31.20092.17612.18223.45624.53913.75673.75675.48444.67554.6755
O41.20932.23942.18222.56324.05442.51112.51114.66554.49074.4907
C52.39201.44553.45622.56321.51821.09361.09362.14302.16562.1656
C63.66812.36424.53914.05441.51822.18002.18001.09371.09291.0929
H72.64612.07943.75672.51111.09362.18001.77282.51482.52593.0866
H82.64612.07943.75672.51111.09362.18001.77282.51483.08662.5259
H94.50683.32165.48444.66552.14301.09372.51482.51481.77431.7743
H103.95502.62364.67554.49072.16561.09292.52593.08661.77431.7751
H113.95502.62364.67554.49072.16561.09293.08662.52591.77431.7751

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 113.906 O2 N1 O3 112.799
O2 N1 O4 117.441 O2 C5 C6 105.801
O2 C5 H7 109.183 O2 C5 H8 109.183
O3 N1 O4 129.760 C5 C6 H9 109.189
C5 C6 H10 111.019 C5 C6 H11 111.019
C6 C5 H7 112.149 C6 C5 H8 112.149
H7 C5 H8 108.299 H9 C6 H10 108.472
H9 C6 H11 108.472 H10 C6 H11 108.599
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.763      
2 O -0.298      
3 O -0.356      
4 O -0.362      
5 C -0.033      
6 C -0.397      
7 H 0.133      
8 H 0.133      
9 H 0.134      
10 H 0.142      
11 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -3.290 0.277 0.000 3.302
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.914 -0.194 0.000
y -0.194 -37.095 0.000
z 0.000 0.000 -32.697
Traceless
 xyz
x -0.018 -0.194 0.000
y -0.194 -3.290 0.000
z 0.000 0.000 3.307
Polar
3z2-r26.614
x2-y22.181
xy-0.194
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.438 -0.268 0.000
y -0.268 6.348 0.000
z 0.000 0.000 4.602


<r2> (average value of r2) Å2
<r2> 178.063
(<r2>)1/2 13.344