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

using model chemistry: B97D3/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 B97D3/Def2TZVPP
 hartrees
Energy at 0K-377.436898
Energy at 298.15K 
HF Energy-377.436898
Nuclear repulsion energy119.811044
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 B97D3/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' 3056 3014 21.30 90.63 0.11 0.20
2 A' 3040 2998 1.68 122.07 0.41 0.58
3 A' 2971 2930 26.71 288.14 0.13 0.23
4 A' 1471 1451 1.71 7.05 0.73 0.85
5 A' 1453 1433 0.72 5.93 0.74 0.85
6 A' 1384 1365 3.87 3.80 0.63 0.77
7 A' 1203 1187 79.19 17.04 0.35 0.51
8 A' 1043 1029 0.40 4.11 0.57 0.73
9 A' 948 935 17.61 5.13 0.58 0.74
10 A' 472 465 9.03 27.98 0.25 0.40
11 A' 250 246 1.63 4.75 0.34 0.50
12 A" 3119 3076 7.30 36.44 0.75 0.86
13 A" 3070 3028 10.02 68.95 0.75 0.86
14 A" 1455 1435 9.88 8.19 0.75 0.86
15 A" 1233 1216 0.38 0.70 0.75 0.86
16 A" 970 957 0.20 2.50 0.75 0.86
17 A" 737 727 4.95 0.09 0.75 0.86
18 A" 252 249 0.01 0.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14062.8 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 13870.2 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 B97D3/Def2TZVPP
ABC
0.97620 0.09666 0.09097

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.610 -1.463 0.000
C2 -0.581 -2.398 0.000
I3 0.000 0.646 0.000
H4 1.229 -1.558 0.891
H5 1.229 -1.558 -0.891
H6 -0.222 -3.436 0.000
H7 -1.205 -2.254 0.886
H8 -1.205 -2.254 -0.886

Atom - Atom Distances (Å)
  C1 C2 I3 H4 H5 H6 H7 H8
C11.51412.19481.08951.08952.14162.16882.1688
C21.51413.09862.18552.18551.09871.09331.0933
I32.19483.09862.67592.67594.08803.26273.2627
H41.08952.18552.67591.78282.53532.53123.0931
H51.08952.18552.67591.78282.53533.09312.5312
H62.14161.09874.08802.53532.53531.77461.7746
H72.16881.09333.26272.53123.09311.77461.7727
H82.16881.09333.26273.09312.53121.77461.7727

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 109.067 C1 C2 H7 111.551
C1 C2 H8 111.551 C2 C1 I3 112.017
C2 C1 H4 113.143 C2 C1 H5 113.143
I3 C1 H4 103.991 I3 C1 H5 103.991
H4 C1 H5 109.799 H6 C2 H7 108.110
H6 C2 H8 108.110 H7 C2 H8 108.335
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.172      
2 C -0.154      
3 I -0.110      
4 H 0.114      
5 H 0.114      
6 H 0.064      
7 H 0.072      
8 H 0.072      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.363 -2.079 0.000 2.110
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.821 -1.257 0.000
y -1.257 -36.786 0.000
z 0.000 0.000 -41.117
Traceless
 xyz
x -1.870 -1.257 0.000
y -1.257 4.183 0.000
z 0.000 0.000 -2.313
Polar
3z2-r2-4.626
x2-y2-4.035
xy-1.257
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.307 -0.167 0.000
y -0.167 11.574 0.000
z 0.000 0.000 6.847


<r2> (average value of r2) Å2
<r2> 122.688
(<r2>)1/2 11.076