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

using model chemistry: CCSD=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 CCSD=FULL/Def2TZVPP
 hartrees
Energy at 0K-376.314526
Energy at 298.15K 
HF Energy-375.339539
Nuclear repulsion energy121.822963
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 CCSD=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' 3137 3137 21.66      
2 A' 3124 3124 0.52      
3 A' 3059 3059 21.53      
4 A' 1516 1516 1.39      
5 A' 1496 1496 1.14      
6 A' 1438 1438 3.81      
7 A' 1268 1268 67.16      
8 A' 1090 1090 0.13      
9 A' 993 993 6.95      
10 A' 541 541 4.42      
11 A' 265 265 0.44      
12 A" 3194 3194 4.51      
13 A" 3147 3147 8.74      
14 A" 1510 1510 9.49      
15 A" 1284 1284 0.31      
16 A" 1015 1015 0.48      
17 A" 754 754 4.13      
18 A" 265 265 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 14547.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 14547.9 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 CCSD=FULL/Def2TZVPP
ABC
0.98721 0.10086 0.09473

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.608 -1.414 0.000
C2 -0.579 -2.355 0.000
I3 0.000 0.632 0.000
H4 1.224 -1.531 0.882
H5 1.224 -1.531 -0.882
H6 -0.227 -3.387 0.000
H7 -1.198 -2.205 0.880
H8 -1.198 -2.205 -0.880

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6 H7 H8
C11.51452.13351.08241.08242.14212.15862.1586
C21.51453.04222.16962.16961.08981.08661.0866
I32.13353.04222.63642.63644.02453.20203.2020
H41.08242.16962.63641.76442.51532.51353.0698
H51.08242.16962.63641.76442.51533.06982.5135
H62.14211.08984.02452.51532.51531.76491.7649
H72.15861.08663.20202.51353.06981.76491.7604
H82.15861.08663.20203.06982.51351.76491.7604

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 109.594 C1 C2 H7 111.105
C1 C2 H8 111.105 C2 C1 I3 111.891
C2 C1 H4 112.253 C2 C1 H5 112.253
I3 C1 H4 105.408 I3 C1 H5 105.408
H4 C1 H5 109.185 H6 C2 H7 108.373
H6 C2 H8 108.373 H7 C2 H8 108.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability