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/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-614.626936
Energy at 298.15K-614.632781
HF Energy-614.626936
Nuclear repulsion energy159.358472
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/aug-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' 3860 3725 46.69      
2 A' 3096 2988 13.77      
3 A' 3009 2904 34.32      
4 A' 1517 1464 3.38      
5 A' 1485 1434 4.08      
6 A' 1441 1391 2.04      
7 A' 1291 1246 1.43      
8 A' 1227 1184 39.45      
9 A' 1073 1035 99.81      
10 A' 1025 989 13.60      
11 A' 776 749 63.66      
12 A' 388 375 2.33      
13 A' 244 236 9.01      
14 A" 3158 3048 4.58      
15 A" 3048 2941 26.08      
16 A" 1299 1254 0.09      
17 A" 1201 1159 0.41      
18 A" 1055 1018 1.58      
19 A" 794 767 0.31      
20 A" 207 200 105.71      
21 A" 117 113 18.08      

Unscaled Zero Point Vibrational Energy (zpe) 15654.8 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 15108.5 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/aug-cc-pVTZ
ABC
0.98794 0.08181 0.07777

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.965 -0.553 0.000
C2 0.000 0.612 0.000
Cl3 -1.687 0.011 0.000
O4 2.268 0.006 0.000
H5 0.792 -1.172 0.888
H6 0.792 -1.172 -0.888
H7 0.128 1.227 0.888
H8 0.128 1.227 -0.888
H9 2.912 -0.705 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 O4 H5 H6 H7 H8 H9
C11.51252.71131.41791.09541.09542.15762.15761.9531
C21.51251.79092.34702.14382.14381.08741.08743.1957
Cl32.71131.79093.95482.88692.88692.35802.35804.6545
O41.41792.34703.95482.08612.08612.61812.61810.9597
H51.09542.14382.88692.08611.77512.48833.05672.3449
H61.09542.14382.88692.08611.77513.05672.48832.3449
H72.15761.08742.35802.61812.48833.05671.77563.5026
H82.15761.08742.35802.61813.05672.48831.77563.5026
H91.95313.19574.65450.95972.34492.34493.50263.5026

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 110.040 C1 C2 H7 111.116
C1 C2 H8 111.116 C1 O4 H9 108.931
C2 C1 O4 106.392 C2 C1 H5 109.534
C2 C1 H6 109.534 Cl3 C2 H7 107.489
Cl3 C2 H8 107.489 O4 C1 H5 111.560
O4 C1 H6 111.560 H5 C1 H6 108.233
H7 C2 H8 109.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.068      
2 C -0.184      
3 Cl -0.314      
4 O -0.447      
5 H 0.230      
6 H 0.230      
7 H 0.222      
8 H 0.222      
9 H 0.108      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.664 -0.972 0.000 1.927
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.692 -4.248 0.000
y -4.248 -29.968 0.000
z 0.000 0.000 -31.543
Traceless
 xyz
x -1.936 -4.248 0.000
y -4.248 2.149 0.000
z 0.000 0.000 -0.213
Polar
3z2-r2-0.426
x2-y2-2.724
xy-4.248
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.564 0.074 0.000
y 0.074 6.353 0.000
z 0.000 0.000 5.842


<r2> (average value of r2) Å2
<r2> 137.978
(<r2>)1/2 11.746