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: HF/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 HF/6-31G
 hartrees
Energy at 0K-612.894053
Energy at 298.15K-612.900096
HF Energy-612.894053
Nuclear repulsion energy157.108074
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 HF/6-31G
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' 4034 3642 45.90      
2 A' 3326 3003 10.52      
3 A' 3221 2908 27.24      
4 A' 1694 1530 1.58      
5 A' 1645 1485 9.39      
6 A' 1590 1435 2.56      
7 A' 1420 1282 11.17      
8 A' 1323 1195 66.05      
9 A' 1129 1019 119.31      
10 A' 1103 996 1.12      
11 A' 740 668 139.52      
12 A' 397 359 0.63      
13 A' 264 238 16.17      
14 A" 3410 3079 3.82      
15 A" 3271 2954 43.61      
16 A" 1439 1299 0.02      
17 A" 1315 1188 3.19      
18 A" 1151 1039 2.09      
19 A" 886 800 0.09      
20 A" 261 236 226.97      
21 A" 131 118 18.54      

Unscaled Zero Point Vibrational Energy (zpe) 16875.0 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 15236.4 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 HF/6-31G
ABC
0.97874 0.07898 0.07513

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.017 -0.496 0.000
C2 0.000 0.619 0.000
Cl3 -1.725 -0.114 0.000
O4 2.283 0.174 0.000
H5 0.904 -1.114 0.880
H6 0.904 -1.114 -0.880
H7 0.065 1.223 0.885
H8 0.065 1.223 -0.885
H9 3.032 -0.410 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 O4 H5 H6 H7 H8 H9
C11.50862.76871.43181.08181.08182.15492.15492.0174
C21.50861.87462.32552.14352.14351.07351.07353.2023
Cl32.76871.87464.01832.94732.94732.40352.40354.7671
O41.43182.32554.01832.08232.08232.60792.60790.9507
H51.08182.14352.94732.08231.76012.48373.04672.4088
H61.08182.14352.94732.08231.76013.04672.48372.4088
H72.15491.07352.40352.60792.48373.04671.76913.5011
H82.15491.07352.40352.60793.04672.48371.76913.5011
H92.01743.20234.76710.95072.40882.40883.50113.5011

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 109.371 C1 C2 H7 112.041
C1 C2 H8 112.041 C1 O4 H9 114.200
C2 C1 O4 104.505 C2 C1 H5 110.605
C2 C1 H6 110.605 Cl3 C2 H7 106.019
Cl3 C2 H8 106.019 O4 C1 H5 111.106
O4 C1 H6 111.106 H5 C1 H6 108.879
H7 C2 H8 110.979
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.039      
2 C -0.422      
3 Cl -0.102      
4 O -0.759      
5 H 0.177      
6 H 0.177      
7 H 0.238      
8 H 0.238      
9 H 0.415      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.554 -1.130 0.000 2.792
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.964 -5.802 0.000
y -5.802 -30.706 0.000
z 0.000 0.000 -31.649
Traceless
 xyz
x -2.786 -5.802 0.000
y -5.802 2.100 0.000
z 0.000 0.000 0.686
Polar
3z2-r21.371
x2-y2-3.258
xy-5.802
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.846 0.650 0.000
y 0.650 3.994 0.000
z 0.000 0.000 3.424


<r2> (average value of r2) Å2
<r2> 142.378
(<r2>)1/2 11.932