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All results from a given calculation for CH2ClCH2OH (2-Chloroethanol)

using model chemistry: QCISD/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 QCISD/3-21G*
 hartrees
Energy at 0K-610.517247
Energy at 298.15K-610.523149
HF Energy-610.043131
Nuclear repulsion energy156.646528
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 QCISD/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' 3490 3354 0.18      
2 A' 3113 2992 9.81      
3 A' 3014 2897 24.08      
4 A' 1609 1546 1.67      
5 A' 1562 1502 5.29      
6 A' 1486 1428 2.37      
7 A' 1343 1291 0.15      
8 A' 1262 1213 61.02      
9 A' 1017 977 16.66      
10 A' 993 954 32.59      
11 A' 742 713 71.44      
12 A' 375 360 2.02      
13 A' 248 238 12.82      
14 A" 3174 3051 6.27      
15 A" 3049 2930 41.74      
16 A" 1352 1299 0.60      
17 A" 1222 1175 0.46      
18 A" 1092 1050 2.79      
19 A" 841 809 0.05      
20 A" 253 243 151.90      
21 A" 126 121 14.44      

Unscaled Zero Point Vibrational Energy (zpe) 15681.1 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 15071.1 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 QCISD/3-21G*
ABC
0.95029 0.07940 0.07539

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.977 -0.580 0.000
C2 0.000 0.607 0.000
Cl3 -1.715 -0.004 0.000
O4 2.300 0.066 0.000
H5 0.807 -1.198 0.895
H6 0.807 -1.198 -0.895
H7 0.145 1.215 0.896
H8 0.145 1.215 -0.896
H9 2.990 -0.649 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 O4 H5 H6 H7 H8 H9
C11.53712.75311.47201.10091.10092.17152.17152.0141
C21.53711.82082.36292.17022.17021.09211.09213.2430
Cl32.75311.82084.01592.93062.93062.39732.39734.7492
O41.47202.36294.01592.15082.15082.60182.60180.9931
H51.10092.17022.93062.15081.78972.50213.07682.4223
H61.10092.17022.93062.15081.78973.07682.50212.4223
H72.17151.09212.39732.60182.50213.07681.79143.5173
H82.17151.09212.39732.60183.07682.50211.79143.5173
H92.01413.24304.74920.99312.42232.42233.51733.5173

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 109.860 C1 C2 H7 110.216
C1 C2 H8 110.216 C1 O4 H9 108.010
C2 C1 O4 103.472 C2 C1 H5 109.601
C2 C1 H6 109.601 Cl3 C2 H7 108.150
Cl3 C2 H8 108.150 O4 C1 H5 112.637
O4 C1 H6 112.637 H5 C1 H6 108.753
H7 C2 H8 110.198
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability