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

using model chemistry: PM6

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
Energy calculated at PM6
 hartrees
Energy at 0K 
Energy at 298.15K0.002022
HF Energy0.002022
Nuclear repulsion energy55.222354
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 PM6
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' 2783 2957 37.94      
2 A' 2733 2904 73.64      
3 A' 2683 2850 54.03      
4 A' 1332 1415 81.87      
5 A' 1279 1359 26.98      
6 A' 1248 1325 47.08      
7 A' 1185 1258 7.37      
8 A' 1147 1218 47.79      
9 A' 1003 1065 52.56      
10 A' 514 546 27.46      
11 A' 235 249 3.25      
12 A" 2693 2861 152.10      
13 A" 2662 2828 21.95      
14 A" 1240 1317 40.56      
15 A" 1129 1199 4.22      
16 A" 938 996 20.46      
17 A" 714 758 29.07      
18 A" 166 177 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 12840.6 cm-1
Scaled (by 1.0624) Zero Point Vibrational Energy (zpe) 13641.9 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 PM6
ABC
0.97465 0.09823 0.09235

See section I.F.4 to change rotational constant units
Geometric Data calculated at PM6

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.609 -1.448 0.000
C2 -0.575 -2.374 0.000
I3 0.000 0.641 0.000
H4 1.238 -1.567 0.894
H5 1.238 -1.567 -0.894
H6 -0.248 -3.426 0.000
H7 -1.216 -2.236 0.883
H8 -1.216 -2.236 -0.883

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6 H7 H8
C11.50362.17541.10021.10022.15602.17522.1752
C21.50363.06972.17722.17721.10101.09971.0997
I32.17543.06972.68502.68504.07443.24613.2461
H41.10022.17722.68501.78862.54262.54393.1033
H51.10022.17722.68501.78862.54263.10332.5439
H62.15601.10104.07442.54262.54261.76941.7694
H72.17521.09973.24612.54393.10331.76941.7661
H82.17521.09973.24613.10332.54391.76941.7661

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 110.791 C1 C2 H7 112.423
C1 C2 H8 112.423 C2 C1 I3 111.804
C2 C1 H4 112.553 C2 C1 H5 112.553
I3 C1 H4 105.339 I3 C1 H5 105.339
H4 C1 H5 108.754 H6 C2 H7 107.026
H6 C2 H8 107.026 H7 C2 H8 106.823
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability