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All results from a given calculation for C2H5I (Ethyl iodide)

using model chemistry: MP2=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-6996.497628
Energy at 298.15K 
HF Energy-6995.475852
Nuclear repulsion energy214.324869
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=FULL/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' 3171 3003 14.20 95.37 0.66 0.79
2 A' 3141 2975 6.42 99.18 0.15 0.26
3 A' 3083 2920 19.39 164.17 0.07 0.13
4 A' 1538 1457 3.47 9.20 0.75 0.86
5 A' 1516 1436 2.55 9.90 0.67 0.80
6 A' 1451 1375 8.05 2.86 0.75 0.86
7 A' 1296 1228 71.89 8.49 0.44 0.61
8 A' 1100 1042 0.48 4.43 0.56 0.72
9 A' 1000 947 10.84 5.10 0.71 0.83
10 A' 530 502 4.71 25.77 0.28 0.44
11 A' 269 255 0.86 2.82 0.41 0.58
12 A" 3215 3045 6.77 23.38 0.75 0.86
13 A" 3188 3020 5.81 83.38 0.75 0.86
14 A" 1529 1448 13.19 11.45 0.75 0.86
15 A" 1294 1226 0.68 2.27 0.75 0.86
16 A" 1039 984 0.64 4.68 0.75 0.86
17 A" 767 726 6.70 0.25 0.75 0.86
18 A" 280 266 0.00 0.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14704.2 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 13926.4 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 MP2=FULL/6-311G*
ABC
0.97934 0.09825 0.09238

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.609 -1.440 0.000
C2 -0.581 -2.382 0.000
I3 0.000 0.640 0.000
H4 1.229 -1.562 0.887
H5 1.229 -1.562 -0.887
H6 -0.222 -3.416 0.000
H7 -1.203 -2.235 0.884
H8 -1.203 -2.235 -0.884

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6 H7 H8
C11.51762.16761.08891.08892.14382.16732.1673
C21.51763.07772.17602.17601.09441.09071.0907
I32.16763.07772.67312.67314.06253.24013.2401
H41.08892.17602.67311.77382.51622.52373.0828
H51.08892.17602.67311.77382.51623.08282.5237
H62.14381.09444.06252.51622.51621.77111.7711
H72.16731.09073.24012.52373.08281.77111.7672
H82.16731.09073.24013.08282.52371.77111.7672

picture of Ethyl iodide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.247 C1 C2 H7 111.338
C1 C2 H8 111.338 C2 C1 I3 112.058
C2 C1 H4 112.146 C2 C1 H5 112.146
I3 C1 H4 105.495 I3 C1 H5 105.495
H4 C1 H5 109.075 H6 C2 H7 108.303
H6 C2 H8 108.303 H7 C2 H8 108.215
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability