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: MP4=FULL/aug-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 MP4=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-613.756726
Energy at 298.15K-613.762619
HF Energy-613.030509
Nuclear repulsion energy157.900735
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 MP4=FULL/aug-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' 3807 3713        
2 A' 3098 3021        
3 A' 3025 2950        
4 A' 1507 1470        
5 A' 1477 1441        
6 A' 1432 1397        
7 A' 1286 1254        
8 A' 1228 1197        
9 A' 1053 1026        
10 A' 1029 1003        
11 A' 768 749        
12 A' 385 375        
13 A' 246 240        
14 A" 3171 3093        
15 A" 3078 3002        
16 A" 1287 1255        
17 A" 1193 1163        
18 A" 1050 1024        
19 A" 791 771        
20 A" 242 236        
21 A" 122 119        

Unscaled Zero Point Vibrational Energy (zpe) 15637.5 cm-1
Scaled (by 0.9752) Zero Point Vibrational Energy (zpe) 15249.7 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 MP4=FULL/aug-cc-pVDZ
ABC
0.95847 0.08070 0.07664

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.969 -0.554 0.000
C2 0.000 0.623 0.000
Cl3 -1.699 -0.005 0.000
O4 2.285 0.028 0.000
H5 0.801 -1.175 0.900
H6 0.801 -1.175 -0.900
H7 0.126 1.240 0.902
H8 0.126 1.240 -0.902
H9 2.933 -0.691 0.000

Atom - Atom Distances (Å)
  C1 C2 Cl3 O4 H5 H6 H7 H8 H9
C11.52482.72401.43921.10611.10612.17762.17761.9683
C21.52481.81142.36172.16462.16461.09941.09943.2136
Cl32.72401.81143.98462.90362.90362.38562.38564.6821
O41.43922.36173.98462.11152.11152.63572.63570.9670
H51.10612.16462.90362.11151.79962.50763.08752.3635
H61.10612.16462.90362.11151.79963.08752.50762.3635
H72.17761.09942.38562.63572.50763.08751.80313.5241
H82.17761.09942.38562.63573.08752.50761.80313.5241
H91.96833.21364.68210.96702.36352.36353.52413.5241

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 109.168 C1 C2 H7 111.122
C1 C2 H8 111.122 C1 O4 H9 108.170
C2 C1 O4 105.618 C2 C1 H5 109.703
C2 C1 H6 109.703 Cl3 C2 H7 107.555
Cl3 C2 H8 107.555 O4 C1 H5 111.445
O4 C1 H6 111.445 H5 C1 H6 108.878
H7 C2 H8 110.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability