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

using model chemistry: CCSD(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 CCSD(T)/6-311G*
 hartrees
Energy at 0K-358.715359
Energy at 298.15K-358.723276
HF Energy-357.591938
Nuclear repulsion energy250.682780
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)/6-311G*
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' 3120 3004        
2 A' 3064 2950        
3 A' 3041 2927        
4 A' 1740 1675        
5 A' 1547 1489        
6 A' 1519 1462        
7 A' 1451 1396        
8 A' 1417 1364        
9 A' 1329 1280        
10 A' 1160 1117        
11 A' 1066 1026        
12 A' 945 910        
13 A' 884 851        
14 A' 719 692        
15 A' 573 552        
16 A' 384 370        
17 A' 233 224        
18 A" 3136 3018        
19 A" 3112 2996        
20 A" 1507 1451        
21 A" 1311 1262        
22 A" 1200 1155        
23 A" 832 801        
24 A" 760 731        
25 A" 255 246        
26 A" 118 114        
27 A" 101 97        

Unscaled Zero Point Vibrational Energy (zpe) 18261.3 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 17578.4 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)/6-311G*
ABC
0.33123 0.07346 0.06153

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.105 -0.312 0.000
O2 0.000 0.569 0.000
O3 2.159 0.268 0.000
O4 0.876 -1.504 0.000
C5 -1.277 -0.117 0.000
C6 -2.318 0.990 0.000
H7 -1.347 -0.751 0.891
H8 -1.347 -0.751 -0.891
H9 -3.321 0.546 0.000
H10 -2.215 1.620 0.891
H11 -2.215 1.620 -0.891

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.41311.20351.21332.39043.66242.64592.64594.50833.94373.9437
O21.41312.18022.25001.44952.35602.08572.08573.32102.60912.6091
O31.20352.18022.18763.45824.53533.75893.75895.48744.66494.6649
O41.21332.25002.18762.56154.05252.51112.51114.67084.48444.4844
C52.39041.44953.45822.56151.51931.09591.09592.14832.16562.1656
C63.66242.35604.53534.05251.51932.18332.18331.09711.09551.0955
H72.64592.08573.75892.51111.09592.18331.78242.52382.52463.0900
H82.64592.08573.75892.51111.09592.18331.78242.52383.09002.5246
H94.50833.32105.48744.67082.14831.09712.52382.52381.78021.7802
H103.94372.60914.66494.48442.16561.09552.52463.09001.78021.7810
H113.94372.60914.66494.48442.16561.09553.09002.52461.78021.7810

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 113.227 O2 N1 O3 112.619
O2 N1 O4 117.686 O2 C5 C6 105.018
O2 C5 H7 109.259 O2 C5 H8 109.259
O3 N1 O4 129.695 C5 C6 H9 109.329
C5 C6 H10 110.783 C5 C6 H11 110.783
C6 C5 H7 112.187 C6 C5 H8 112.187
H7 C5 H8 108.820 H9 C6 H10 108.569
H9 C6 H11 108.569 H10 C6 H11 108.751
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability