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

using model chemistry: CCSD(T)/cc-pVTZ

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)/cc-pVTZ
 hartrees
Energy at 0K-3110.916492
Energy at 298.15K 
HF Energy-3110.078920
Nuclear repulsion energy289.074018
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)/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 194 189        
2 A' 251 244        
3 A' 664 648        
4 A' 759 740        
5 A' 1080 1053        
6 A' 1230 1199        
7 A' 1320 1287        
8 A' 1487 1449        
9 A' 1495 1457        
10 A' 3106 3028        
11 A' 3118 3039        
12 A" 114 112        
13 A" 764 745        
14 A" 979 954        
15 A" 1130 1101        
16 A" 1297 1264        
17 A" 3164 3084        
18 A" 3189 3109        

Unscaled Zero Point Vibrational Energy (zpe) 12669.5 cm-1
Scaled (by 0.9748) Zero Point Vibrational Energy (zpe) 12350.2 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)/cc-pVTZ
ABC
0.95853 0.03283 0.03212

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.644 0.000
C2 1.228 -0.239 0.000
Br3 -1.590 -0.481 0.000
Cl4 2.697 0.801 0.000
H5 -0.048 1.265 0.890
H6 -0.048 1.265 -0.890
H7 1.270 -0.863 0.889
H8 1.270 -0.863 -0.889

Atom - Atom Distances (Å)
  C1 C2 Br3 Cl4 H5 H6 H7 H8
C11.51291.94832.70111.08611.08612.16232.1623
C21.51292.82841.79972.16422.16421.08691.0869
Br31.94832.82844.47432.49392.49393.01903.0190
Cl42.70111.79974.47432.92262.92262.36562.3656
H51.08612.16422.49392.92261.78022.50333.0711
H61.08612.16422.49392.92261.78023.07112.5033
H72.16231.08693.01902.36562.50333.07111.7778
H82.16231.08693.01902.36563.07112.50331.7778

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 108.951 C1 C2 H7 111.504
C1 C2 H8 111.504 C2 C1 Br3 108.959
C2 C1 Cl4 39.062 C2 C1 H6 111.701
Br3 C1 H5 107.092 Br3 C1 H6 107.092
Cl4 C2 H7 107.488 Cl4 C2 H8 107.488
H5 C1 H6 110.075 H7 C2 H8 109.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at CCSD(T)/cc-pVTZ
 hartrees
Energy at 0K-3110.913820
Energy at 298.15K 
HF Energy-3110.075379
Nuclear repulsion energy305.453758
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)/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3166 3086        
2 A 3148 3069        
3 A 3098 3020        
4 A 3084 3006        
5 A 1479 1441        
6 A 1468 1431        
7 A 1337 1303        
8 A 1301 1268        
9 A 1215 1184        
10 A 1149 1120        
11 A 1054 1027        
12 A 942 918        
13 A 880 858        
14 A 690 673        
15 A 594 579        
16 A 386 377        
17 A 244 238        
18 A 100 97        

Unscaled Zero Point Vibrational Energy (zpe) 12666.7 cm-1
Scaled (by 0.9748) Zero Point Vibrational Energy (zpe) 12347.5 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)/cc-pVTZ
ABC
0.29564 0.04970 0.04447

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.006 1.100 -0.389
C2 1.276 0.901 0.408
Br3 -1.349 -0.225 0.036
Cl4 2.161 -0.575 -0.087
H5 -0.430 2.069 -0.151
H6 0.192 1.031 -1.458
H7 1.946 1.743 0.236
H8 1.067 0.814 1.472

Atom - Atom Distances (Å)
  C1 C2 Br3 Cl4 H5 H6 H7 H8
C11.51321.94242.74651.08881.08692.13782.1617
C21.51322.88061.79112.14192.16221.08981.0875
Br31.94242.88063.52992.47842.48703.84342.9963
Cl42.74651.79113.52993.70262.88702.35042.3575
H51.08882.14192.47843.70261.78122.42952.5398
H61.08692.16222.48702.88701.78122.54063.0655
H72.13781.08983.84342.35042.42952.54061.7786
H82.16171.08752.99632.35752.53983.06551.7786

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 112.174 C1 C2 H7 109.347
C1 C2 H8 111.396 C2 C1 Br3 112.348
C2 C1 Cl4 37.149 C2 C1 H6 111.468
Br3 C1 H5 106.258 Br3 C1 H6 106.953
Cl4 C2 H7 106.807 Cl4 C2 H8 107.437
H5 C1 H6 109.913 H7 C2 H8 109.544
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability