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

using model chemistry: MP3=FULL/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3=FULL/Def2TZVPP
 hartrees
Energy at 0K-376.303125
Energy at 298.15K 
HF Energy-375.339583
Nuclear repulsion energy121.869632
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=FULL/Def2TZVPP
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' 3163 3163 18.04      
2 A' 3150 3150 1.42      
3 A' 3082 3082 19.50      
4 A' 1518 1518 1.56      
5 A' 1498 1498 1.19      
6 A' 1440 1440 4.18      
7 A' 1271 1271 63.01      
8 A' 1092 1092 0.11      
9 A' 995 995 7.20      
10 A' 546 546 3.44      
11 A' 266 266 0.40      
12 A" 3222 3222 3.53      
13 A" 3171 3171 8.24      
14 A" 1512 1512 10.00      
15 A" 1286 1286 0.34      
16 A" 1016 1016 0.42      
17 A" 754 754 4.35      
18 A" 264 264 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 14622.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14622.8 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 MP3=FULL/Def2TZVPP
ABC
0.98941 0.10086 0.09474

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.607 -1.413 0.000
C2 -0.578 -2.356 0.000
I3 0.000 0.632 0.000
H4 1.222 -1.530 0.881
H5 1.222 -1.530 -0.881
H6 -0.226 -3.385 0.000
H7 -1.197 -2.206 0.879
H8 -1.197 -2.206 -0.879

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6 H7 H8
C11.51462.13281.08051.08052.14122.15752.1575
C21.51463.04282.16772.16771.08811.08501.0850
I32.13283.04282.63442.63444.02333.20233.2023
H41.08052.16772.63441.76152.51322.51153.0665
H51.08052.16772.63441.76152.51323.06652.5115
H62.14121.08814.02332.51322.51321.76241.7624
H72.15751.08503.20232.51153.06651.76241.7575
H82.15751.08503.20233.06652.51151.76241.7575

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 109.616 C1 C2 H7 111.106
C1 C2 H8 111.106 C2 C1 I3 111.958
C2 C1 H4 112.220 C2 C1 H5 112.220
I3 C1 H4 105.398 I3 C1 H5 105.398
H4 C1 H5 109.205 H6 C2 H7 108.382
H6 C2 H8 108.382 H7 C2 H8 108.163
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability