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

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-358.534606
Energy at 298.15K-358.542568
HF Energy-357.509778
Nuclear repulsion energy250.161836
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 MP2/6-31G**
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' 3244 3038 11.72      
2 A' 3153 2952 11.41      
3 A' 3146 2946 9.70      
4 A' 1868 1750 185.39      
5 A' 1578 1478 2.39      
6 A' 1558 1459 4.57      
7 A' 1475 1381 3.46      
8 A' 1432 1341 5.66      
9 A' 1315 1231 262.64      
10 A' 1179 1105 18.97      
11 A' 1085 1016 64.83      
12 A' 957 897 66.63      
13 A' 875 819 252.20      
14 A' 720 675 10.36      
15 A' 572 536 0.18      
16 A' 386 361 0.29      
17 A' 233 218 0.51      
18 A" 3258 3051 17.80      
19 A" 3217 3013 12.24      
20 A" 1545 1447 5.58      
21 A" 1321 1237 0.29      
22 A" 1216 1139 4.55      
23 A" 850 796 0.16      
24 A" 752 704 12.84      
25 A" 270 253 0.53      
26 A" 131 122 1.30      
27 A" 99 92 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 18716.3 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 17527.8 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 MP2/6-31G**
ABC
0.32663 0.07365 0.06148

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.099 -0.319 0.000
O2 0.000 0.572 0.000
O3 2.172 0.261 0.000
O4 0.854 -1.519 0.000
C5 -1.278 -0.106 0.000
C6 -2.305 1.003 0.000
H7 -1.353 -0.738 0.885
H8 -1.353 -0.738 -0.885
H9 -3.303 0.568 0.000
H10 -2.197 1.626 0.884
H11 -2.197 1.626 -0.884

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.41491.21981.22512.38653.65192.63992.63994.49113.92773.9277
O21.41492.19402.25881.44672.34502.08012.08013.30352.59192.5919
O31.21982.19402.21553.46944.53793.76873.76875.48394.66124.6612
O41.22512.25882.21552.55764.04232.50252.50254.65214.46994.4699
C52.38651.44673.46942.55761.51171.08931.08932.13492.15092.1509
C63.65192.34504.53794.04231.51172.17222.17221.08881.08721.0872
H72.63992.08013.76872.50251.08932.17221.76912.50862.50963.0703
H82.63992.08013.76872.50251.08932.17221.76912.50863.07032.5096
H94.49113.30355.48394.65212.13491.08882.50862.50861.76801.7680
H103.92772.59194.66124.46992.15091.08722.50963.07031.76801.7687
H113.92772.59194.66124.46992.15091.08723.07032.50961.76801.7687

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 113.020 O2 N1 O3 112.550
O2 N1 O4 117.480 O2 C5 C6 104.851
O2 C5 H7 109.408 O2 C5 H8 109.408
O3 N1 O4 129.970 C5 C6 H9 109.282
C5 C6 H10 110.648 C5 C6 H11 110.648
C6 C5 H7 112.244 C6 C5 H8 112.244
H7 C5 H8 108.594 H9 C6 H10 108.676
H9 C6 H11 108.676 H10 C6 H11 108.862
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability