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

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-358.656071
Energy at 298.15K-358.664052
HF Energy-357.592348
Nuclear repulsion energy251.169659
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 MP2/6-311G*
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' 3187 3029 13.65      
2 A' 3111 2956 12.25      
3 A' 3096 2942 11.49      
4 A' 1871 1778 220.19      
5 A' 1564 1487 4.41      
6 A' 1538 1462 5.97      
7 A' 1460 1388 4.80      
8 A' 1428 1357 12.18      
9 A' 1317 1251 253.86      
10 A' 1176 1117 23.40      
11 A' 1083 1029 66.70      
12 A' 956 909 54.56      
13 A' 881 837 277.87      
14 A' 734 697 27.43      
15 A' 584 555 0.17      
16 A' 387 368 0.14      
17 A' 234 223 0.43      
18 A" 3201 3042 23.23      
19 A" 3170 3012 8.87      
20 A" 1525 1449 9.24      
21 A" 1328 1262 0.52      
22 A" 1212 1152 4.66      
23 A" 844 802 0.19      
24 A" 767 729 12.16      
25 A" 265 252 0.51      
26 A" 125 119 1.46      
27 A" 103 98 0.18      

Unscaled Zero Point Vibrational Energy (zpe) 18572.7 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 17649.7 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 MP2/6-311G*
ABC
0.33139 0.07388 0.06182

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.101 -0.319 0.000
O2 0.000 0.564 0.000
O3 2.158 0.261 0.000
O4 0.863 -1.508 0.000
C5 -1.274 -0.108 0.000
C6 -2.304 1.001 0.000
H7 -1.352 -0.740 0.888
H8 -1.352 -0.740 -0.888
H9 -3.306 0.566 0.000
H10 -2.198 1.627 0.887
H11 -2.198 1.627 -0.887

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.41131.20601.21242.38393.65172.64152.64154.49483.93123.9312
O21.41132.17922.24511.44082.34522.07772.07773.30632.59752.5975
O31.20602.17922.19203.45184.52323.75593.75595.47284.65054.6505
O41.21242.24512.19202.55504.04102.50662.50664.65714.47094.4709
C52.38391.44083.45182.55501.51401.09231.09232.14122.15692.1569
C63.65172.34524.52324.04101.51402.17442.17441.09251.09071.0907
H72.64152.07773.75592.50661.09232.17441.77502.51312.51453.0774
H82.64152.07773.75592.50661.09232.17441.77502.51313.07742.5145
H94.49483.30635.47284.65712.14121.09252.51312.51311.77241.7724
H103.93122.59754.65054.47092.15691.09072.51453.07741.77241.7734
H113.93122.59754.65054.47092.15691.09073.07742.51451.77241.7734

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 113.406 O2 N1 O3 112.501
O2 N1 O4 117.482 O2 C5 C6 105.042
O2 C5 H7 109.447 O2 C5 H8 109.447
O3 N1 O4 130.017 C5 C6 H9 109.407
C5 C6 H10 110.758 C5 C6 H11 110.758
C6 C5 H7 112.072 C6 C5 H8 112.072
H7 C5 H8 108.677 H9 C6 H10 108.546
H9 C6 H11 108.546 H10 C6 H11 108.768
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability