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: B2PLYP=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/3-21G*
 hartrees
Energy at 0K-611.317805
Energy at 298.15K-611.323713
HF Energy-611.168889
Nuclear repulsion energy157.292867
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 B2PLYP=FULL/3-21G*
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' 3516 3516 1.26      
2 A' 3159 3159 9.32      
3 A' 3054 3054 27.43      
4 A' 1614 1614 2.09      
5 A' 1567 1567 5.77      
6 A' 1487 1487 1.87      
7 A' 1340 1340 0.60      
8 A' 1261 1261 55.33      
9 A' 1026 1026 9.93      
10 A' 998 998 53.17      
11 A' 739 739 77.75      
12 A' 377 377 1.78      
13 A' 248 248 12.66      
14 A" 3224 3224 5.17      
15 A" 3093 3093 44.34      
16 A" 1359 1359 0.66      
17 A" 1223 1223 0.24      
18 A" 1090 1090 2.87      
19 A" 849 849 0.28      
20 A" 254 254 150.27      
21 A" 124 124 15.44      

Unscaled Zero Point Vibrational Energy (zpe) 15801.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15801.7 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 B2PLYP=FULL/3-21G*
ABC
0.96021 0.08003 0.07601

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.979 -0.568 0.000
C2 0.000 0.604 0.000
Cl3 -1.709 -0.019 0.000
O4 2.288 0.084 0.000
H5 0.811 -1.184 0.890
H6 0.811 -1.184 -0.890
H7 0.137 1.210 0.892
H8 0.137 1.210 -0.892
H9 2.984 -0.622 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 O4 H5 H6 H7 H8 H9
C11.52712.74421.46241.09571.09572.16012.16012.0060
C21.52711.81932.34652.15602.15601.08681.08683.2266
Cl32.74421.81933.99902.91642.91642.39042.39044.7326
O41.46242.34653.99902.14062.14062.58672.58670.9918
H51.09572.15602.91642.14061.78052.48753.05982.4147
H61.09572.15602.91642.14061.78053.05982.48752.4147
H72.16011.08682.39042.58672.48753.05981.78323.5016
H82.16011.08682.39042.58673.05982.48751.78323.5016
H92.00603.22664.73260.99182.41472.41473.50163.5016

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 109.870 C1 C2 H7 110.320
C1 C2 H8 110.320 C1 O4 H9 108.109
C2 C1 O4 103.402 C2 C1 H5 109.474
C2 C1 H6 109.474 Cl3 C2 H7 108.014
Cl3 C2 H8 108.014 O4 C1 H5 112.822
O4 C1 H6 112.822 H5 C1 H6 108.690
H7 C2 H8 110.242
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability