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All results from a given calculation for CH2BrCH2Cl (1-bromo-2-chloroethane)

using model chemistry: CCSD(T)/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
1 2 no C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at CCSD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-3110.624400
Energy at 298.15K 
HF Energy-3109.971533
Nuclear repulsion energy286.313037
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)/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' 193 186        
2 A' 248 238        
3 A' 647 622        
4 A' 739 711        
5 A' 1078 1038        
6 A' 1215 1169        
7 A' 1307 1258        
8 A' 1461 1406        
9 A' 1469 1413        
10 A' 3092 2976        
11 A' 3103 2986        
12 A" 109 105        
13 A" 754 726        
14 A" 970 934        
15 A" 1116 1074        
16 A" 1275 1227        
17 A" 3158 3039        
18 A" 3181 3061        

Unscaled Zero Point Vibrational Energy (zpe) 12555.9 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 12085.1 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)/aug-cc-pVDZ
ABC
0.93767 0.03224 0.03155

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.652 0.000
C2 1.237 -0.238 0.000
Br3 -1.602 -0.493 0.000
Cl4 2.718 0.820 0.000
H5 -0.054 1.276 0.904
H6 -0.054 1.276 -0.904
H7 1.286 -0.864 0.903
H8 1.286 -0.864 -0.903

Atom - Atom Distances (Å)
  C1 C2 Br3 Cl4 H5 H6 H7 H8
C11.52421.96962.72281.09951.09952.18432.1843
C21.52422.85111.81952.18582.18581.10011.1001
Br31.96962.85114.51512.51852.51853.04953.0495
Cl42.72281.81954.51512.95112.95112.38752.3875
H51.09952.18582.51852.95111.80752.52603.1055
H61.09952.18582.51852.95111.80753.10552.5260
H72.18431.10013.04952.38752.52603.10551.8058
H82.18431.10013.04952.38753.10552.52601.8058

picture of 1-bromo-2-chloroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl4 108.714 C1 C2 H7 111.656
C1 C2 H8 111.656 C2 C1 Br3 108.709
C2 C1 Cl4 39.267 C2 C1 H6 111.814
Br3 C1 H5 106.834 Br3 C1 H6 106.834
Cl4 C2 H7 107.137 Cl4 C2 H8 107.137
H5 C1 H6 110.566 H7 C2 H8 110.317
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-3110.621392
Energy at 298.15K 
HF Energy-3109.967758
Nuclear repulsion energy302.730074
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)/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/aug-cc-pVDZ
ABC
0.28913 0.04895 0.04378

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.009 1.112 -0.395
C2 1.284 0.912 0.415
Br3 -1.359 -0.227 0.037
Cl4 2.177 -0.582 -0.088
H5 -0.435 2.091 -0.154
H6 0.199 1.035 -1.476
H7 1.969 1.759 0.240
H8 1.071 0.816 1.490

Atom - Atom Distances (Å)
  C1 C2 Br3 Cl4 H5 H6 H7 H8
C11.52361.96312.76801.10221.10022.15892.1839
C21.52362.90341.81142.16122.18401.10301.1007
Br31.96312.90343.55662.50272.51193.88113.0176
Cl42.76801.81143.55663.73812.90772.37272.3807
H51.10222.16122.50273.73811.80762.45872.5686
H61.10022.18402.51192.90771.80762.56963.0999
H72.15891.10303.88112.37272.45872.56961.8055
H82.18391.10073.01762.38072.56863.09991.8055

picture of 1-bromo-2-chloroethane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl4 111.907 C1 C2 H7 109.515
C1 C2 H8 111.634 C2 C1 Br3 112.143
C2 C1 Cl4 37.383 C2 C1 H6 111.673
Br3 C1 H5 106.031 Br3 C1 H6 106.757
Cl4 C2 H7 106.459 Cl4 C2 H8 107.139
H5 C1 H6 110.315 H7 C2 H8 110.034
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability