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

using model chemistry: CCSD(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 CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-358.569770
Energy at 298.15K-358.577663
HF Energy-357.501908
Nuclear repulsion energy249.795679
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)=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' 3152 3059        
2 A' 3089 2999        
3 A' 3071 2981        
4 A' 1732 1681        
5 A' 1562 1517        
6 A' 1540 1495        
7 A' 1467 1424        
8 A' 1423 1381        
9 A' 1328 1289        
10 A' 1168 1134        
11 A' 1070 1039        
12 A' 949 921        
13 A' 874 849        
14 A' 708 687        
15 A' 564 547        
16 A' 384 372        
17 A' 232 225        
18 A" 3166 3073        
19 A" 3140 3048        
20 A" 1529 1485        
21 A" 1308 1270        
22 A" 1207 1172        
23 A" 843 819        
24 A" 750 728        
25 A" 261 253        
26 A" 123 119        
27 A" 99 96        

Unscaled Zero Point Vibrational Energy (zpe) 18368.7 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 17830.5 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)=FULL/6-31G*
ABC
0.32670 0.07332 0.06127

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.102 -0.314 0.000
O2 0.000 0.572 0.000
O3 2.171 0.267 0.000
O4 0.867 -1.515 0.000
C5 -1.282 -0.115 0.000
C6 -2.314 0.996 0.000
H7 -1.352 -0.749 0.891
H8 -1.352 -0.749 -0.891
H9 -3.320 0.557 0.000
H10 -2.207 1.625 0.891
H11 -2.207 1.625 -0.891

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.41441.21591.22452.39293.65952.64692.64694.50743.93803.9380
O21.41442.19242.26021.45462.35302.08972.08973.32002.60272.6027
O31.21592.19242.20843.47414.54443.77283.77285.49864.66994.6699
O41.22452.26022.20842.56484.05302.51012.51014.67134.48384.4838
C52.39291.45463.47412.56481.51671.09591.09592.14582.16272.1627
C63.65952.35304.54444.05301.51672.18352.18351.09721.09571.0957
H72.64692.08973.77282.51011.09592.18351.78182.52482.52393.0894
H82.64692.08973.77282.51011.09592.18351.78182.52483.08942.5239
H94.50743.32005.49864.67132.14581.09722.52482.52481.78111.7811
H103.93802.60274.66994.48382.16271.09572.52393.08941.78111.7815
H113.93802.60274.66994.48382.16271.09573.08942.52391.78111.7815

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 113.027 O2 N1 O3 112.705
O2 N1 O4 117.675 O2 C5 C6 104.710
O2 C5 H7 109.226 O2 C5 H8 109.226
O3 N1 O4 129.620 C5 C6 H9 109.303
C5 C6 H10 110.728 C5 C6 H11 110.728
C6 C5 H7 112.390 C6 C5 H8 112.390
H7 C5 H8 108.773 H9 C6 H10 108.630
H9 C6 H11 108.630 H10 C6 H11 108.769
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability