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: CCSD(T)/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-613.681928
Energy at 298.15K-613.687849
HF Energy-613.013620
Nuclear repulsion energy158.291556
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 CCSD(T)/cc-pVDZ
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' 3838 3757        
2 A' 3105 3039        
3 A' 3012 2949        
4 A' 1522 1490        
5 A' 1491 1459        
6 A' 1463 1432        
7 A' 1306 1278        
8 A' 1239 1212        
9 A' 1098 1075        
10 A' 1044 1022        
11 A' 786 770        
12 A' 390 382        
13 A' 249 243        
14 A" 3174 3107        
15 A" 3057 2993        
16 A" 1297 1270        
17 A" 1207 1181        
18 A" 1059 1036        
19 A" 800 783        
20 A" 233 228        
21 A" 131 128        

Unscaled Zero Point Vibrational Energy (zpe) 15750.0 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 15416.1 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 CCSD(T)/cc-pVDZ
ABC
0.96739 0.08095 0.07692

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.978 -0.559 0.000
C2 0.000 0.612 0.000
Cl3 -1.698 0.007 0.000
O4 2.277 0.021 0.000
H5 0.795 -1.187 0.898
H6 0.795 -1.187 -0.898
H7 0.141 1.235 0.899
H8 0.141 1.235 -0.899
H9 2.909 -0.710 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 O4 H5 H6 H7 H8 H9
C11.52592.73461.42271.11071.11072.17412.17411.9375
C21.52591.80222.35222.16252.16251.10251.10253.1957
Cl32.73461.80223.97432.90662.90662.38652.38654.6624
O41.42272.35223.97432.11162.11162.61592.61590.9668
H51.11072.16252.90662.11161.79642.50833.08582.3455
H61.11072.16252.90662.11161.79643.08582.50832.3455
H72.17411.10252.38652.61592.50833.08581.79833.5006
H82.17411.10252.38652.61593.08582.50831.79833.5006
H91.93753.19574.66240.96682.34552.34553.50063.5006

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 110.225 C1 C2 H7 110.577
C1 C2 H8 110.577 C1 O4 H9 106.802
C2 C1 O4 105.778 C2 C1 H5 109.192
C2 C1 H6 109.192 Cl3 C2 H7 108.054
Cl3 C2 H8 108.054 O4 C1 H5 112.337
O4 C1 H6 112.337 H5 C1 H6 107.936
H7 C2 H8 109.280
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability