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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-358.491485
Energy at 298.15K-358.499532
HF Energy-357.508572
Nuclear repulsion energy252.053060
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 MP3/6-31G*
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' 3203 3006 12.77      
2 A' 3143 2950 8.06      
3 A' 3121 2929 8.97      
4 A' 1854 1740 423.22      
5 A' 1582 1485 1.90      
6 A' 1558 1462 5.77      
7 A' 1493 1401 6.03      
8 A' 1464 1374 105.04      
9 A' 1403 1317 184.74      
10 A' 1193 1119 19.19      
11 A' 1105 1037 100.08      
12 A' 1009 947 143.65      
13 A' 940 882 49.10      
14 A' 754 708 1.09      
15 A' 596 560 4.52      
16 A' 401 376 3.48      
17 A' 240 226 0.38      
18 A" 3216 3019 23.63      
19 A" 3194 2998 3.25      
20 A" 1546 1451 7.13      
21 A" 1329 1248 0.40      
22 A" 1225 1150 5.18      
23 A" 854 801 0.07      
24 A" 793 744 19.64      
25 A" 264 248 0.47      
26 A" 126 118 1.22      
27 A" 105 98 0.37      

Unscaled Zero Point Vibrational Energy (zpe) 18854.2 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 17696.6 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 MP3/6-31G*
ABC
0.33365 0.07439 0.06226

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.094 -0.289 0.000
O2 0.000 0.553 0.000
O3 2.145 0.299 0.000
O4 0.891 -1.484 0.000
C5 -1.273 -0.139 0.000
C6 -2.315 0.961 0.000
H7 -1.337 -0.772 0.888
H8 -1.337 -0.772 -0.888
H9 -3.313 0.513 0.000
H10 -2.215 1.589 0.888
H11 -2.215 1.589 -0.888

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.38101.20421.21222.37263.63152.63312.63314.47953.90723.9072
O21.38102.16002.22371.44942.35082.08142.08143.31302.60132.6013
O31.20422.16002.18023.44654.50913.74983.74985.46204.63254.6325
O41.21222.22372.18022.54854.03222.50202.50204.65414.45864.4586
C52.37261.44943.44652.54851.51491.09231.09232.14092.15882.1588
C63.63152.35084.50914.03221.51492.17902.17901.09361.09241.0924
H72.63312.08143.74982.50201.09232.17901.77562.51842.51883.0820
H82.63312.08143.74982.50201.09232.17901.77562.51843.08202.5188
H94.47953.31305.46204.65412.14091.09362.51842.51841.77561.7756
H103.90722.60134.63254.45862.15881.09242.51883.08201.77561.7763
H113.90722.60134.63254.45862.15881.09243.08202.51881.77561.7763

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 113.892 O2 N1 O3 113.164
O2 N1 O4 117.929 O2 C5 C6 104.921
O2 C5 H7 109.145 O2 C5 H8 109.145
O3 N1 O4 128.906 C5 C6 H9 109.253
C5 C6 H10 110.743 C5 C6 H11 110.743
C6 C5 H7 112.379 C6 C5 H8 112.379
H7 C5 H8 108.747 H9 C6 H10 108.633
H9 C6 H11 108.633 H10 C6 H11 108.782
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability