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

using model chemistry: QCISD(T)/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at QCISD(T)/6-311G*
 hartrees
Energy at 0K-358.717818
Energy at 298.15K-358.725719
HF Energy-357.591201
Nuclear repulsion energy250.448422
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 QCISD(T)/6-311G*
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' 3119 3003        
2 A' 3062 2948        
3 A' 3040 2927        
4 A' 1728 1663        
5 A' 1546 1489        
6 A' 1519 1462        
7 A' 1449 1395        
8 A' 1415 1362        
9 A' 1324 1274        
10 A' 1159 1115        
11 A' 1064 1025        
12 A' 942 907        
13 A' 876 843        
14 A' 713 686        
15 A' 570 549        
16 A' 382 368        
17 A' 232 224        
18 A" 3134 3017        
19 A" 3110 2995        
20 A" 1506 1450        
21 A" 1310 1261        
22 A" 1199 1154        
23 A" 831 800        
24 A" 756 728        
25 A" 255 246        
26 A" 118 114        
27 A" 100 96        

Unscaled Zero Point Vibrational Energy (zpe) 18228.4 cm-1
Scaled (by 0.9628) Zero Point Vibrational Energy (zpe) 17550.3 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 QCISD(T)/6-311G*
ABC
0.33066 0.07333 0.06142

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.106 -0.315 0.000
O2 0.000 0.571 0.000
O3 2.162 0.264 0.000
O4 0.873 -1.507 0.000
C5 -1.278 -0.113 0.000
C6 -2.318 0.995 0.000
H7 -1.349 -0.747 0.891
H8 -1.349 -0.747 -0.891
H9 -3.322 0.551 0.000
H10 -2.215 1.624 0.891
H11 -2.215 1.624 -0.891

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.41751.20421.21432.39313.66642.64762.64764.51193.94813.9481
O21.41752.18382.25411.44992.35662.08612.08613.32172.60952.6095
O31.20422.18382.19003.46104.53953.76093.76095.49134.66964.6696
O41.21432.25412.19002.56384.05532.51232.51234.67284.48774.4877
C52.39311.44993.46102.56381.51951.09611.09612.14872.16582.1658
C63.66642.35664.53954.05531.51952.18352.18351.09721.09571.0957
H72.64762.08613.76092.51231.09612.18351.78262.52422.52493.0904
H82.64762.08613.76092.51231.09612.18351.78262.52423.09042.5249
H94.51193.32175.49134.67282.14871.09722.52422.52421.78041.7804
H103.94812.60954.66964.48772.16581.09572.52493.09041.78041.7812
H113.94812.60954.66964.48772.16581.09573.09042.52491.78041.7812

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 113.144 O2 N1 O3 112.564
O2 N1 O4 117.646 O2 C5 C6 105.027
O2 C5 H7 109.261 O2 C5 H8 109.261
O3 N1 O4 129.790 C5 C6 H9 109.339
C5 C6 H10 110.779 C5 C6 H11 110.779
C6 C5 H7 112.184 C6 C5 H8 112.184
H7 C5 H8 108.816 H9 C6 H10 108.570
H9 C6 H11 108.570 H10 C6 H11 108.746
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability