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

using model chemistry: AM1

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
Energy calculated at AM1
 hartrees
Energy at 0K 
Energy at 298.15K-0.001790
HF Energy-0.001790
Nuclear repulsion energy59.966915
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 AM1
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' 3152 3005 1.42 124.05 0.02 0.04
2 A' 3112 2967 7.83 188.71 0.09 0.17
3 A' 3047 2905 1.66 188.68 0.73 0.84
4 A' 1435 1369 0.52 27.41 0.40 0.57
5 A' 1392 1327 5.11 37.50 0.71 0.83
6 A' 1388 1323 2.60 36.90 0.71 0.83
7 A' 1275 1216 13.37 52.23 0.50 0.67
8 A' 1231 1174 7.98 18.74 0.33 0.50
9 A' 1041 993 7.16 16.47 0.72 0.84
10 A' 615 587 12.42 45.25 0.38 0.55
11 A' 262 249 0.80 6.19 0.58 0.74
12 A" 3066 2924 12.35 10.52 0.75 0.86
13 A" 3042 2900 4.12 229.58 0.75 0.86
14 A" 1386 1322 2.33 56.78 0.75 0.86
15 A" 1185 1130 0.34 21.71 0.75 0.86
16 A" 973 928 2.47 15.42 0.75 0.86
17 A" 749 714 2.23 11.24 0.75 0.86
18 A" 171 163 0.05 0.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14260.9 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 13597.7 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 AM1
ABC
1.01011 0.10402 0.09793

See section I.F.4 to change rotational constant units
Geometric Data calculated at AM1

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.586 -1.364 0.000
C2 -0.562 -2.325 0.000
I3 0.000 0.621 0.000
H4 1.220 -1.507 0.905
H5 1.220 -1.507 -0.905
H6 -0.174 -3.375 0.000
H7 -1.203 -2.194 0.906
H8 -1.203 -2.194 -0.906

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6 H7 H8
C11.49702.06961.11421.11422.14982.17002.1700
C21.49702.99892.15922.15921.11951.11751.1175
I32.06962.99892.61472.61473.99973.19253.1925
H41.11422.15922.61471.80982.50002.51783.1017
H51.11422.15922.61471.80982.50003.10172.5178
H62.14981.11953.99972.50002.50001.80931.8093
H72.17001.11753.19252.51783.10171.80931.8130
H82.17001.11753.19253.10172.51781.80931.8130

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 109.656 C1 C2 H7 111.369
C1 C2 H8 111.369 C2 C1 I3 113.484
C2 C1 H4 110.715 C2 C1 H5 110.715
I3 C1 H4 106.532 I3 C1 H5 106.532
H4 C1 H5 108.621 H6 C2 H7 107.953
H6 C2 H8 107.953 H7 C2 H8 108.416
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability