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

using model chemistry: PBEPBE/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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-359.166708
Energy at 298.15K-359.174402
HF Energy-359.166708
Nuclear repulsion energy249.004432
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/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' 3077 3045 11.04      
2 A' 2993 2962 11.56      
3 A' 2979 2948 13.07      
4 A' 1721 1703 303.62      
5 A' 1467 1452 2.47      
6 A' 1445 1431 5.30      
7 A' 1361 1347 4.25      
8 A' 1346 1332 49.41      
9 A' 1282 1269 188.26      
10 A' 1108 1096 13.56      
11 A' 1018 1007 35.89      
12 A' 889 880 13.06      
13 A' 820 811 216.46      
14 A' 668 661 47.34      
15 A' 544 539 0.88      
16 A' 358 354 0.17      
17 A' 216 213 0.55      
18 A" 3082 3051 16.99      
19 A" 3026 2995 11.87      
20 A" 1434 1419 5.94      
21 A" 1236 1223 0.48      
22 A" 1137 1126 3.59      
23 A" 791 783 0.47      
24 A" 743 736 10.54      
25 A" 246 244 0.36      
26 A" 136 135 0.73      
27 A" 70 69 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 17595.6 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 17414.4 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/6-31G(2df,p)
ABC
0.32832 0.07235 0.06066

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.118 -0.332 0.000
O2 0.000 0.586 0.000
O3 2.182 0.243 0.000
O4 0.858 -1.521 0.000
C5 -1.277 -0.091 0.000
C6 -2.329 1.007 0.000
H7 -1.351 -0.736 0.892
H8 -1.351 -0.736 -0.892
H9 -3.331 0.550 0.000
H10 -2.237 1.643 0.893
H11 -2.237 1.643 -0.893

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.44681.20901.21702.40783.69862.65672.65674.53623.99473.9947
O21.44682.20842.27501.44572.36722.09022.09023.33142.63072.6307
O31.20902.20842.20533.47524.57533.77313.77315.52154.72054.7205
O41.21702.27502.20532.57024.06862.50912.50914.67384.51564.5156
C52.40781.44573.47522.57021.52081.10331.10332.15172.17402.1740
C63.69862.36724.57534.06861.52082.18882.18881.10111.10041.1004
H72.65672.09023.77312.50911.10332.18881.78482.52412.53833.1036
H82.65672.09023.77312.50911.10332.18881.78482.52413.10362.5383
H94.53623.33145.52154.67382.15171.10112.52412.52411.78571.7857
H103.99472.63074.72054.51562.17401.10042.53833.10361.78571.7868
H113.99472.63074.72054.51562.17401.10043.10362.53831.78571.7868

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 112.698 O2 N1 O3 112.211
O2 N1 O4 117.048 O2 C5 C6 105.843
O2 C5 H7 109.436 O2 C5 H8 109.436
O3 N1 O4 130.741 C5 C6 H9 109.262
C5 C6 H10 111.056 C5 C6 H11 111.056
C6 C5 H7 112.060 C6 C5 H8 112.060
H7 C5 H8 107.963 H9 C6 H10 108.416
H9 C6 H11 108.416 H10 C6 H11 108.559
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.718      
2 O -0.272      
3 O -0.334      
4 O -0.334      
5 C -0.071      
6 C -0.431      
7 H 0.139      
8 H 0.139      
9 H 0.145      
10 H 0.151      
11 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.983 0.245 0.000 2.993
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.534 -0.335 0.000
y -0.335 -36.781 0.000
z 0.000 0.000 -32.791
Traceless
 xyz
x 0.252 -0.335 0.000
y -0.335 -3.119 0.000
z 0.000 0.000 2.867
Polar
3z2-r25.734
x2-y22.248
xy-0.335
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.012 -0.455 0.000
y -0.455 6.570 0.000
z 0.000 0.000 4.725


<r2> (average value of r2) Å2
<r2> 180.113
(<r2>)1/2 13.421