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: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-614.622743
Energy at 298.15K-614.628599
HF Energy-614.622743
Nuclear repulsion energy159.413546
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 B3PW91/cc-pVTZ
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' 3865 3717 42.43      
2 A' 3096 2977 15.25      
3 A' 3004 2888 37.01      
4 A' 1521 1463 2.55      
5 A' 1487 1430 4.03      
6 A' 1448 1392 2.11      
7 A' 1294 1244 1.43      
8 A' 1229 1182 43.99      
9 A' 1080 1038 92.50      
10 A' 1027 988 16.44      
11 A' 778 748 63.58      
12 A' 389 374 2.18      
13 A' 244 235 8.86      
14 A" 3158 3037 6.67      
15 A" 3042 2925 32.80      
16 A" 1299 1250 0.05      
17 A" 1203 1157 0.52      
18 A" 1056 1016 2.22      
19 A" 798 767 0.24      
20 A" 209 201 110.38      
21 A" 120 116 16.26      

Unscaled Zero Point Vibrational Energy (zpe) 15672.5 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 15070.6 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 B3PW91/cc-pVTZ
ABC
0.98902 0.08187 0.07782

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.967 -0.553 0.000
C2 0.000 0.609 0.000
Cl3 -1.687 0.010 0.000
O4 2.266 0.011 0.000
H5 0.792 -1.173 0.887
H6 0.792 -1.173 -0.887
H7 0.129 1.224 0.888
H8 0.129 1.224 -0.888
H9 2.909 -0.700 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 O4 H5 H6 H7 H8 H9
C11.51242.71351.41591.09601.09602.15652.15651.9477
C21.51241.79052.34332.14262.14261.08751.08753.1905
Cl32.71351.79053.95282.88692.88692.35822.35824.6511
O41.41592.34333.95282.08802.08802.61242.61240.9595
H51.09602.14262.88692.08801.77422.48733.05542.3435
H61.09602.14262.88692.08801.77423.05542.48732.3435
H72.15651.08752.35822.61242.48733.05541.77503.4960
H82.15651.08752.35822.61243.05542.48731.77503.4960
H91.94773.19054.65110.95952.34352.34353.49603.4960

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 110.198 C1 C2 H7 111.031
C1 C2 H8 111.031 C1 O4 H9 108.636
C2 C1 O4 106.256 C2 C1 H5 109.420
C2 C1 H6 109.420 Cl3 C2 H7 107.528
Cl3 C2 H8 107.528 O4 C1 H5 111.820
O4 C1 H6 111.820 H5 C1 H6 108.068
H7 C2 H8 109.397
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.037      
2 C -0.100      
3 Cl -0.178      
4 O -0.331      
5 H 0.066      
6 H 0.066      
7 H 0.121      
8 H 0.121      
9 H 0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.758 -0.965 0.000 2.006
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.126 -4.132 0.000
y -4.132 -29.771 0.000
z 0.000 0.000 -31.302
Traceless
 xyz
x -1.590 -4.132 0.000
y -4.132 1.942 0.000
z 0.000 0.000 -0.353
Polar
3z2-r2-0.706
x2-y2-2.355
xy-4.132
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.776 0.104 0.000
y 0.104 5.490 0.000
z 0.000 0.000 4.837


<r2> (average value of r2) Å2
<r2> 137.684
(<r2>)1/2 11.734