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

using model chemistry: MP4=FULL/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/cc-pVDZ
 hartrees
Energy at 0K-3110.590267
Energy at 298.15K 
HF Energy-3109.961034
Nuclear repulsion energy287.212983
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/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' 197 190        
2 A' 252 243        
3 A' 662 639        
4 A' 766 739        
5 A' 1085 1047        
6 A' 1221 1178        
7 A' 1320 1274        
8 A' 1477 1425        
9 A' 1485 1433        
10 A' 3114 3006        
11 A' 3123 3014        
12 A" 117 113        
13 A" 763 736        
14 A" 976 942        
15 A" 1124 1085        
16 A" 1287 1242        
17 A" 3180 3069        
18 A" 3203 3091        

Unscaled Zero Point Vibrational Energy (zpe) 12675.1 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 12232.8 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/cc-pVDZ
ABC
0.94689 0.03242 0.03173

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.643 0.000
C2 1.242 -0.236 0.000
Br3 -1.600 -0.488 0.000
Cl4 2.709 0.814 0.000
H5 -0.047 1.275 0.900
H6 -0.047 1.275 -0.900
H7 1.283 -0.872 0.899
H8 1.283 -0.872 -0.899

Atom - Atom Distances (Å)
  C1 C2 Br3 Cl4 H5 H6 H7 H8
C11.52211.95922.71481.10101.10102.17922.1792
C21.52212.85291.80432.18122.18121.10141.1014
Br31.95922.85294.50132.51582.51583.04363.0436
Cl42.71481.80434.50132.93642.93642.38402.3840
H51.10102.18122.51582.93641.80092.52543.1008
H61.10102.18122.51582.93641.80093.10082.5254
H72.17921.10143.04362.38402.52543.10081.7975
H82.17921.10143.04362.38403.10082.52541.7975

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 109.106 C1 C2 H7 111.317
C1 C2 H8 111.317 C2 C1 Br3 109.426
C2 C1 Cl4 38.902 C2 C1 H6 111.502
Br3 C1 H5 107.241 Br3 C1 H6 107.241
Cl4 C2 H7 107.800 Cl4 C2 H8 107.800
H5 C1 H6 109.747 H7 C2 H8 109.372
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability