return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2ClCH2OH (2-Chloroethanol)

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-614.231123
Energy at 298.15K-614.236890
HF Energy-614.231123
Nuclear repulsion energy158.027861
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 PBEPBEultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3651 3591 15.38      
2 A' 3041 2991 16.46      
3 A' 2929 2881 44.12      
4 A' 1507 1482 2.58      
5 A' 1473 1448 3.51      
6 A' 1428 1404 3.13      
7 A' 1282 1261 0.55      
8 A' 1214 1194 50.83      
9 A' 1055 1038 72.76      
10 A' 1004 988 25.52      
11 A' 756 744 65.77      
12 A' 379 373 1.93      
13 A' 241 237 9.70      
14 A" 3104 3053 9.21      
15 A" 2964 2915 50.42      
16 A" 1274 1253 0.15      
17 A" 1179 1159 0.30      
18 A" 1045 1028 3.57      
19 A" 790 777 0.22      
20 A" 202 198 113.47      
21 A" 120 118 24.74      

Unscaled Zero Point Vibrational Energy (zpe) 15318.7 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 15065.9 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 PBEPBEultrafine/6-31G*
ABC
0.96908 0.08061 0.07661

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.981 -0.558 0.000
C2 0.000 0.609 0.000
Cl3 -1.702 0.004 0.000
O4 2.280 0.030 0.000
H5 0.802 -1.188 0.897
H6 0.802 -1.188 -0.897
H7 0.136 1.232 0.897
H8 0.136 1.232 -0.897
H9 2.927 -0.703 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 O4 H5 H6 H7 H8 H9
C11.52502.74091.42651.11001.11002.17372.17371.9513
C21.52501.80612.35272.16242.16241.10021.10023.2076
Cl32.74091.80613.98212.91402.91402.38482.38484.6822
O41.42652.35273.98212.11512.11512.61702.61700.9775
H51.11002.16242.91402.11511.79332.51003.08482.3569
H61.11002.16242.91402.11511.79333.08482.51002.3569
H72.17371.10022.38482.61702.51003.08481.79333.5129
H82.17371.10022.38482.61703.08482.51001.79333.5129
H91.95133.20764.68220.97752.35692.35693.51293.5129

picture of 2-Chloroethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl3 110.454 C1 C2 H7 110.752
C1 C2 H8 110.752 C1 O4 H9 107.037
C2 C1 O4 105.662 C2 C1 H5 109.289
C2 C1 H6 109.289 Cl3 C2 H7 107.805
Cl3 C2 H8 107.805 O4 C1 H5 112.395
O4 C1 H6 112.395 H5 C1 H6 107.752
H7 C2 H8 109.175
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.075      
2 C -0.412      
3 Cl -0.069      
4 O -0.582      
5 H 0.155      
6 H 0.155      
7 H 0.216      
8 H 0.216      
9 H 0.396      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.912 -0.974 0.000 2.146
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.636 -4.243 0.000
y -4.243 -29.714 0.000
z 0.000 0.000 -31.337
Traceless
 xyz
x -1.111 -4.243 0.000
y -4.243 1.773 0.000
z 0.000 0.000 -0.662
Polar
3z2-r2-1.324
x2-y2-1.922
xy-4.243
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.065 0.133 0.000
y 0.133 4.683 0.000
z 0.000 0.000 4.124


<r2> (average value of r2) Å2
<r2> 139.457
(<r2>)1/2 11.809