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

using model chemistry: CCD/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 CCD/6-31G**
 hartrees
Energy at 0K-358.540303
Energy at 298.15K-358.548349
HF Energy-357.516026
Nuclear repulsion energy251.868110
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 CCD/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' 3224 3023 15.75      
2 A' 3157 2960 10.25      
3 A' 3135 2940 11.10      
4 A' 1844 1729 420.52      
5 A' 1585 1486 1.27      
6 A' 1560 1463 4.24      
7 A' 1492 1399 1.90      
8 A' 1460 1369 66.15      
9 A' 1395 1308 230.00      
10 A' 1190 1115 17.46      
11 A' 1102 1033 94.86      
12 A' 998 936 137.18      
13 A' 932 874 69.67      
14 A' 749 702 1.03      
15 A' 593 556 3.74      
16 A' 397 372 2.66      
17 A' 239 224 0.42      
18 A" 3237 3035 28.01      
19 A" 3212 3012 5.18      
20 A" 1548 1451 4.98      
21 A" 1329 1246 0.56      
22 A" 1224 1147 4.92      
23 A" 851 798 0.01      
24 A" 791 742 19.11      
25 A" 265 248 0.52      
26 A" 126 118 1.16      
27 A" 103 97 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 18868.5 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 17691.1 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 CCD/6-31G**
ABC
0.33295 0.07428 0.06215

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.096 -0.294 0.000
O2 0.000 0.555 0.000
O3 2.148 0.294 0.000
O4 0.886 -1.490 0.000
C5 -1.274 -0.133 0.000
C6 -2.314 0.967 0.000
H7 -1.341 -0.764 0.885
H8 -1.341 -0.764 -0.885
H9 -3.308 0.521 0.000
H10 -2.213 1.592 0.885
H11 -2.213 1.592 -0.885

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.38651.20591.21382.37493.63582.63452.63454.47863.91023.9102
O21.38652.16432.22871.44782.35062.07862.07863.30822.59912.5991
O31.20592.16432.18543.44874.51313.75193.75195.46114.63574.6357
O41.21382.22872.18542.55044.03452.50362.50364.65104.45924.4592
C52.37491.44783.44872.55041.51431.08851.08852.13682.15452.1545
C63.63582.35064.51314.03451.51432.17392.17391.08931.08821.0882
H72.63452.07863.75192.50361.08852.17391.76932.51052.51233.0729
H82.63452.07863.75192.50361.08852.17391.76932.51053.07292.5123
H94.47863.30825.46114.65102.13681.08932.51052.51051.76921.7692
H103.91022.59914.63574.45922.15451.08822.51233.07291.76921.7697
H113.91022.59914.63574.45922.15451.08823.07292.51231.76921.7697

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 113.824 O2 N1 O3 113.018
O2 N1 O4 117.829 O2 C5 C6 105.013
O2 C5 H7 109.256 O2 C5 H8 109.256
O3 N1 O4 129.152 C5 C6 H9 109.224
C5 C6 H10 110.697 C5 C6 H11 110.697
C6 C5 H7 112.244 C6 C5 H8 112.244
H7 C5 H8 108.720 H9 C6 H10 108.679
H9 C6 H11 108.679 H10 C6 H11 108.815
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability