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: BLYP/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 BLYP/STO-3G
 hartrees
Energy at 0K-607.479167
Energy at 298.15K-607.484677
HF Energy-607.479167
Nuclear repulsion energy152.811183
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 BLYP/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' 3496 3235 42.07      
2 A' 3239 2997 0.66      
3 A' 3117 2884 11.94      
4 A' 1625 1504 0.80      
5 A' 1579 1461 1.79      
6 A' 1539 1424 3.93      
7 A' 1365 1263 0.04      
8 A' 1275 1179 29.55      
9 A' 1063 983 5.29      
10 A' 1010 934 3.42      
11 A' 806 746 35.08      
12 A' 357 330 0.44      
13 A' 227 210 7.96      
14 A" 3361 3109 0.64      
15 A" 3211 2971 17.58      
16 A" 1318 1219 0.08      
17 A" 1181 1093 2.55      
18 A" 1057 978 0.12      
19 A" 801 741 0.43      
20 A" 251 232 64.38      
21 A" 87 80 8.57      

Unscaled Zero Point Vibrational Energy (zpe) 15982.0 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 14786.5 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 BLYP/STO-3G
ABC
0.91206 0.07513 0.07137

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.014 -0.575 0.000
C2 0.000 0.631 0.000
Cl3 -1.761 0.003 0.000
O4 2.373 0.041 0.000
H5 0.825 -1.212 0.908
H6 0.825 -1.212 -0.908
H7 0.122 1.260 0.911
H8 0.122 1.260 -0.911
H9 2.966 -0.819 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 O4 H5 H6 H7 H8 H9
C11.57632.83461.49231.12451.12452.23482.23481.9666
C21.57631.86932.44562.21372.21371.11341.11343.3014
Cl32.83461.86934.13422.99752.99752.44032.44034.7974
O41.49232.44564.13422.18882.18882.71712.71711.0445
H51.12452.21372.99752.18881.81532.56983.14802.3582
H61.12452.21372.99752.18881.81533.14802.56982.3582
H72.23481.11342.44032.71712.56983.14801.82113.6385
H82.23481.11342.44032.71713.14802.56981.82113.6385
H91.96663.30144.79741.04452.35822.35823.63853.6385

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 110.418 C1 C2 H7 111.209
C1 C2 H8 111.209 C1 O4 H9 100.155
C2 C1 O4 105.650 C2 C1 H5 108.950
C2 C1 H6 108.950 Cl3 C2 H7 107.055
Cl3 C2 H8 107.055 O4 C1 H5 112.774
O4 C1 H6 112.774 H5 C1 H6 107.639
H7 C2 H8 109.724
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.051      
2 C -0.098      
3 Cl -0.159      
4 O -0.218      
5 H 0.074      
6 H 0.074      
7 H 0.107      
8 H 0.107      
9 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.018 -0.655 0.000 2.122
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.587 -3.390 0.000
y -3.390 -27.373 0.000
z 0.000 0.000 -28.857
Traceless
 xyz
x -3.472 -3.390 0.000
y -3.390 2.849 0.000
z 0.000 0.000 0.623
Polar
3z2-r21.245
x2-y2-4.214
xy-3.390
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.586 0.157 0.000
y 0.157 2.262 0.000
z 0.000 0.000 1.728


<r2> (average value of r2) Å2
<r2> 146.883
(<r2>)1/2 12.120