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

using model chemistry: CID/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 CID/6-311G*
 hartrees
Energy at 0K-6995.925946
Energy at 298.15K 
HF Energy-6995.476043
Nuclear repulsion energy214.505819
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 CID/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' 3205 2978 27.79      
2 A' 3193 2967 0.15      
3 A' 3125 2903 24.17      
4 A' 1567 1455 2.74      
5 A' 1552 1442 2.61      
6 A' 1489 1383 6.05      
7 A' 1330 1236 84.67      
8 A' 1121 1042 0.74      
9 A' 1019 946 9.82      
10 A' 537 499 7.86      
11 A' 274 254 0.93      
12 A" 3264 3032 7.14      
13 A" 3220 2992 10.89      
14 A" 1558 1448 11.74      
15 A" 1324 1230 0.56      
16 A" 1063 988 0.66      
17 A" 780 725 5.99      
18 A" 276 256 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 14947.2 cm-1
Scaled (by 0.9291) Zero Point Vibrational Energy (zpe) 13887.4 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 CID/6-311G*
ABC
0.98646 0.09821 0.09239

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.607 -1.437 0.000
C2 -0.579 -2.385 0.000
I3 0.000 0.640 0.000
H4 1.225 -1.557 0.882
H5 1.225 -1.557 -0.882
H6 -0.216 -3.414 0.000
H7 -1.201 -2.243 0.881
H8 -1.201 -2.243 -0.881

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6 H7 H8
C11.51762.16421.08411.08412.14152.16612.1661
C21.51763.07992.17192.17191.09121.08751.0875
I32.16423.07992.66612.66614.06013.24543.2454
H41.08412.17192.66611.76472.51092.52083.0763
H51.08412.17192.66611.76472.51093.07632.5208
H62.14151.09124.06012.51092.51091.76501.7650
H72.16611.08753.24542.52083.07631.76501.7619
H82.16611.08753.24543.07632.52081.76501.7619

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 109.248 C1 C2 H7 111.431
C1 C2 H8 111.431 C2 C1 I3 112.358
C2 C1 H4 112.111 C2 C1 H5 112.111
I3 C1 H4 105.434 I3 C1 H5 105.434
H4 C1 H5 108.958 H6 C2 H7 108.211
H6 C2 H8 108.211 H7 C2 H8 108.202
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability