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

using model chemistry: CCD/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Vibrational Frequencies calculated at CCD/6-311+G(3df,2p)
Rotational Constants (cm-1) from geometry optimized at CCD/6-311+G(3df,2p)
See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311+G(3df,2p)
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCD/6-311+G(3df,2p)
 hartrees
Energy at 0K-3110.720255
Energy at 298.15K 
HF Energy-3109.979931
Nuclear repulsion energy306.028007
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 CCD/6-311+G(3df,2p)
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 3188 3006 1.12      
2 A 3170 2989 1.02      
3 A 3118 2941 12.89      
4 A 3103 2927 7.47      
5 A 1505 1420 3.89      
6 A 1498 1412 8.00      
7 A 1365 1287 18.32      
8 A 1329 1253 42.97      
9 A 1242 1172 1.01      
10 A 1173 1106 0.87      
11 A 1070 1009 1.55      
12 A 961 906 7.00      
13 A 898 847 15.98      
14 A 714 674 14.88      
15 A 610 575 7.92      
16 A 396 374 5.51      
17 A 248 234 1.03      
18 A 103 97 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 12845.6 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 12114.7 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 CCD/6-311+G(3df,2p)
ABC
0.29803 0.04981 0.04459

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.007 1.097 -0.384
C2 1.282 0.893 0.404
Br3 -1.348 -0.224 0.036
Cl4 2.157 -0.574 -0.087
H5 -0.422 2.066 -0.140
H6 0.189 1.037 -1.454
H7 1.949 1.735 0.226
H8 1.080 0.815 1.469

Atom - Atom Distances (Å)
  C1 C2 Br3 Cl4 H5 H6 H7 H8
C11.51281.93872.73891.08771.08612.13372.1601
C21.51282.88131.77812.13912.16041.08891.0867
Br31.93872.88133.52452.47592.48453.84043.0046
Cl42.73891.77813.52453.69122.88722.34012.3477
H51.08772.13912.47593.69121.77682.42272.5322
H61.08612.16042.48452.88721.77682.53153.0636
H72.13371.08893.84042.34012.42272.53151.7745
H82.16011.08673.00462.34772.53223.06361.7745

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 112.415 C1 C2 H7 109.109
C1 C2 H8 111.342 C2 C1 Br3 112.611
C2 C1 Cl4 36.881 C2 C1 H6 111.404
Br3 C1 H5 106.371 Br3 C1 H6 107.047
Cl4 C2 H7 106.944 Cl4 C2 H8 107.606
H5 C1 H6 109.641 H7 C2 H8 109.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability