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

using model chemistry: CCSD(T)/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 CCSD(T)/6-31G*
 hartrees
Energy at 0K-358.549652
Energy at 298.15K-358.557529
HF Energy-357.501391
Nuclear repulsion energy249.572140
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 CCSD(T)/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' 3151 3031        
2 A' 3089 2972        
3 A' 3070 2954        
4 A' 1727 1662        
5 A' 1562 1502        
6 A' 1540 1481        
7 A' 1465 1410        
8 A' 1421 1367        
9 A' 1325 1275        
10 A' 1166 1122        
11 A' 1068 1027        
12 A' 946 910        
13 A' 873 840        
14 A' 706 679        
15 A' 562 541        
16 A' 382 368        
17 A' 231 222        
18 A" 3165 3045        
19 A" 3140 3021        
20 A" 1529 1471        
21 A" 1306 1256        
22 A" 1205 1160        
23 A" 842 810        
24 A" 746 718        
25 A" 259 250        
26 A" 122 117        
27 A" 97 93        

Unscaled Zero Point Vibrational Energy (zpe) 18347.5 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 17652.1 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 CCSD(T)/6-31G*
ABC
0.32614 0.07318 0.06116

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.104 -0.314 0.000
O2 0.000 0.573 0.000
O3 2.173 0.267 0.000
O4 0.868 -1.516 0.000
C5 -1.284 -0.115 0.000
C6 -2.317 0.997 0.000
H7 -1.353 -0.749 0.891
H8 -1.353 -0.749 -0.891
H9 -3.323 0.558 0.000
H10 -2.209 1.626 0.891
H11 -2.209 1.626 -0.891

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.41581.21691.22552.39553.66302.64912.64914.51103.94113.9411
O21.41582.19422.26271.45662.35532.09142.09143.32252.60462.6046
O31.21692.19422.21003.47754.54863.77593.77595.50294.67374.6737
O41.22552.26272.21002.56764.05722.51272.51274.67564.48764.4876
C52.39551.45663.47752.56761.51821.09621.09622.14702.16412.1641
C63.66302.35534.54864.05721.51822.18522.18521.09751.09601.0960
H72.64912.09143.77592.51271.09622.18521.78272.52652.52543.0911
H82.64912.09143.77592.51271.09622.18521.78272.52653.09112.5254
H94.51103.32255.50294.67562.14701.09752.52652.52651.78191.7819
H103.94112.60464.67374.48762.16411.09602.52543.09111.78191.7823
H113.94112.60464.67374.48762.16411.09603.09112.52541.78191.7823

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 113.004 O2 N1 O3 112.691
O2 N1 O4 117.704 O2 C5 C6 104.678
O2 C5 H7 109.207 O2 C5 H8 109.207
O3 N1 O4 129.605 C5 C6 H9 109.271
C5 C6 H10 110.712 C5 C6 H11 110.712
C6 C5 H7 112.403 C6 C5 H8 112.403
H7 C5 H8 108.812 H9 C6 H10 108.648
H9 C6 H11 108.648 H10 C6 H11 108.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability