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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-358.591505
Energy at 298.15K-358.599405
HF Energy-357.509804
Nuclear repulsion energy249.778798
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' 3198 3033        
2 A' 3127 2966        
3 A' 3111 2950        
4 A' 1729 1640        
5 A' 1569 1489        
6 A' 1548 1468        
7 A' 1469 1393        
8 A' 1426 1352        
9 A' 1326 1257        
10 A' 1167 1107        
11 A' 1069 1014        
12 A' 947 898        
13 A' 872 827        
14 A' 705 669        
15 A' 562 533        
16 A' 382 363        
17 A' 231 219        
18 A" 3211 3046        
19 A" 3183 3019        
20 A" 1536 1457        
21 A" 1310 1242        
22 A" 1208 1146        
23 A" 842 798        
24 A" 745 707        
25 A" 261 248        
26 A" 122 116        
27 A" 97 92        

Unscaled Zero Point Vibrational Energy (zpe) 18475.7 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 17524.2 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
0.32682 0.07326 0.06122

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 1.103 -0.314 0.000
O2 0.000 0.575 0.000
O3 2.173 0.266 0.000
O4 0.865 -1.516 0.000
C5 -1.281 -0.113 0.000
C6 -2.317 0.995 0.000
H7 -1.350 -0.745 0.887
H8 -1.350 -0.745 -0.887
H9 -3.315 0.554 0.000
H10 -2.211 1.620 0.886
H11 -2.211 1.620 -0.886

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.41731.21651.22522.39323.66232.64412.64414.50283.93873.9387
O21.41732.19482.26321.45482.35462.08612.08613.31502.60122.6012
O31.21652.19482.21023.47494.54863.77073.77075.49534.67324.6732
O41.22522.26322.21022.56414.05332.50762.50764.66434.48144.4814
C52.39321.45483.47492.56411.51681.09061.09062.14022.15752.1575
C63.66232.35464.54864.05331.51682.17872.17871.09121.08991.0899
H72.64412.08613.77072.50761.09062.17871.77322.51642.51663.0784
H82.64412.08613.77072.50761.09062.17871.77322.51643.07842.5166
H94.50283.31505.49534.66432.14021.09122.51642.51641.77241.7724
H103.93872.60124.67324.48142.15751.08992.51663.07841.77241.7729
H113.93872.60124.67324.48142.15751.08993.07842.51661.77241.7729

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 112.864 O2 N1 O3 112.652
O2 N1 O4 117.659 O2 C5 C6 104.801
O2 C5 H7 109.249 O2 C5 H8 109.249
O3 N1 O4 129.689 C5 C6 H9 109.211
C5 C6 H10 110.660 C5 C6 H11 110.660
C6 C5 H7 112.327 C6 C5 H8 112.327
H7 C5 H8 108.769 H9 C6 H10 108.708
H9 C6 H11 108.708 H10 C6 H11 108.847
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability