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: wB97X-D/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/STO-3G
 hartrees
Energy at 0K-607.600140
Energy at 298.15K-607.605909
HF Energy-607.600140
Nuclear repulsion energy155.255790
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 wB97X-D/STO-3G
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' 3813 3813 28.66      
2 A' 3385 3385 0.23      
3 A' 3287 3287 5.84      
4 A' 1685 1685 0.98      
5 A' 1640 1640 5.03      
6 A' 1616 1616 1.54      
7 A' 1444 1444 0.07      
8 A' 1344 1344 31.94      
9 A' 1179 1179 6.00      
10 A' 1088 1088 2.65      
11 A' 883 883 39.83      
12 A' 386 386 0.61      
13 A' 247 247 9.02      
14 A" 3508 3508 0.11      
15 A" 3391 3391 8.54      
16 A" 1384 1384 0.02      
17 A" 1252 1252 4.44      
18 A" 1113 1113 0.15      
19 A" 831 831 0.19      
20 A" 307 307 78.69      
21 A" 100 100 7.81      

Unscaled Zero Point Vibrational Energy (zpe) 16940.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16940.5 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 wB97X-D/STO-3G
ABC
0.93965 0.07755 0.07368

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.995 -0.575 0.000
C2 0.000 0.624 0.000
Cl3 -1.732 0.023 0.000
O4 2.336 0.006 0.000
H5 0.802 -1.203 0.898
H6 0.802 -1.203 -0.898
H7 0.134 1.247 0.901
H8 0.134 1.247 -0.901
H9 2.915 -0.833 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 O4 H5 H6 H7 H8 H9
C11.55792.79131.46141.11281.11282.20732.20731.9375
C21.55791.83322.41602.18812.18811.10371.10373.2591
Cl32.79131.83324.06752.95452.95452.40672.40674.7250
O41.46142.41604.06752.14962.14962.68302.68301.0202
H51.11282.18812.95452.14961.79652.53943.11222.3255
H61.11282.18812.95452.14961.79653.11222.53942.3255
H72.20731.10372.40672.68302.53943.11221.80203.5880
H82.20731.10372.40672.68303.11222.53941.80203.5880
H91.93753.25914.72501.02022.32552.32553.58803.5880

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 110.536 C1 C2 H7 110.908
C1 C2 H8 110.908 C1 O4 H9 101.168
C2 C1 O4 106.251 C2 C1 H5 108.886
C2 C1 H6 108.886 Cl3 C2 H7 107.457
Cl3 C2 H8 107.457 O4 C1 H5 112.542
O4 C1 H6 112.542 H5 C1 H6 107.642
H7 C2 H8 109.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.046      
2 C -0.102      
3 Cl -0.163      
4 O -0.248      
5 H 0.077      
6 H 0.077      
7 H 0.112      
8 H 0.112      
9 H 0.179      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.021 -0.755 0.000 2.158
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.051 -3.616 0.000
y -3.616 -27.264 0.000
z 0.000 0.000 -28.795
Traceless
 xyz
x -4.022 -3.616 0.000
y -3.616 3.159 0.000
z 0.000 0.000 0.863
Polar
3z2-r21.726
x2-y2-4.788
xy-3.616
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.209 0.142 0.000
y 0.142 2.142 0.000
z 0.000 0.000 1.673


<r2> (average value of r2) Å2
<r2> 142.992
(<r2>)1/2 11.958