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

using model chemistry: QCISD(T)=FULL/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 QCISD(T)=FULL/6-31G*
 hartrees
Energy at 0K-358.571805
Energy at 298.15K-358.579689
HF Energy-357.501217
Nuclear repulsion energy249.586725
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)=FULL/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' 3150 3150        
2 A' 3087 3087        
3 A' 3070 3070        
4 A' 1721 1721        
5 A' 1562 1562        
6 A' 1540 1540        
7 A' 1466 1466        
8 A' 1421 1421        
9 A' 1323 1323        
10 A' 1167 1167        
11 A' 1068 1068        
12 A' 945 945        
13 A' 866 866        
14 A' 703 703        
15 A' 561 561        
16 A' 382 382        
17 A' 231 231        
18 A" 3164 3164        
19 A" 3138 3138        
20 A" 1529 1529        
21 A" 1307 1307        
22 A" 1206 1206        
23 A" 843 843        
24 A" 747 747        
25 A" 261 261        
26 A" 124 124        
27 A" 99 99        

Unscaled Zero Point Vibrational Energy (zpe) 18340.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18340.6 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)=FULL/6-31G*
ABC
0.32619 0.07320 0.06117

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.104 -0.316 0.000
O2 0.000 0.574 0.000
O3 2.173 0.263 0.000
O4 0.864 -1.518 0.000
C5 -1.283 -0.112 0.000
C6 -2.315 1.000 0.000
H7 -1.353 -0.746 0.891
H8 -1.353 -0.746 -0.891
H9 -3.321 0.561 0.000
H10 -2.207 1.629 0.891
H11 -2.207 1.629 -0.891

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.41821.21651.22542.39543.66312.64842.64844.51063.94193.9419
O21.41822.19562.26391.45502.35362.09022.09023.32072.60322.6032
O31.21652.19562.21053.47664.54833.77463.77465.50224.67414.6741
O41.22542.26392.21052.56674.05542.51112.51114.67324.48674.4867
C52.39541.45503.47662.56671.51691.09611.09612.14612.16292.1629
C63.66312.35364.54834.05541.51692.18372.18371.09731.09581.0958
H72.64842.09023.77462.51111.09612.18371.78212.52522.52413.0897
H82.64842.09023.77462.51111.09612.18371.78212.52523.08972.5241
H94.51063.32075.50224.67322.14611.09732.52522.52521.78131.7813
H103.94192.60324.67414.48672.16291.09582.52413.08971.78131.7816
H113.94192.60324.67414.48672.16291.09583.08972.52411.78131.7816

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 112.951 O2 N1 O3 112.655
O2 N1 O4 117.638 O2 C5 C6 104.719
O2 C5 H7 109.227 O2 C5 H8 109.227
O3 N1 O4 129.707 C5 C6 H9 109.314
C5 C6 H10 110.724 C5 C6 H11 110.724
C6 C5 H7 112.385 C6 C5 H8 112.385
H7 C5 H8 108.774 H9 C6 H10 108.629
H9 C6 H11 108.629 H10 C6 H11 108.768
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability