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All results from a given calculation for CH2FCH2Cl (Ethane, 1-chloro-2-fluoro-)

using model chemistry: MP2=FULL/6-31G**

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 MP2=FULL/6-31G**
 hartrees
Energy at 0K-637.589135
Energy at 298.15K-637.594102
HF Energy-636.982438
Nuclear repulsion energy157.481348
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 MP2=FULL/6-31G**
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' 3194 2984 15.29      
2 A' 3157 2950 19.92      
3 A' 1588 1483 0.34      
4 A' 1555 1453 5.55      
5 A' 1479 1382 5.78      
6 A' 1341 1253 17.81      
7 A' 1124 1050 29.82      
8 A' 1106 1033 67.44      
9 A' 831 776 38.49      
10 A' 395 369 2.27      
11 A' 248 232 11.69      
12 A" 3272 3057 9.85      
13 A" 3227 3015 19.95      
14 A" 1346 1258 0.01      
15 A" 1260 1177 1.06      
16 A" 1116 1043 3.07      
17 A" 821 767 0.32      
18 A" 142 133 9.39      

Unscaled Zero Point Vibrational Energy (zpe) 13600.2 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 12708.1 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 MP2=FULL/6-31G**
ABC
1.01536 0.08009 0.07636

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.604 0.000
C2 0.982 -0.544 0.000
Cl3 -1.662 -0.026 0.000
F4 2.264 -0.003 0.000
H5 0.135 1.217 0.885
H6 0.135 1.217 -0.885
H7 0.859 -1.161 0.888
H8 0.859 -1.161 -0.888

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6 H7 H8
C11.51101.77782.34421.08501.08502.15492.1549
C21.51102.69431.39202.14552.14551.08831.0883
Cl31.77782.69433.92652.35792.35792.90402.9040
F42.34421.39203.92652.60882.60882.02622.0262
H51.08502.14552.35792.60881.77022.48623.0537
H61.08502.14552.35792.60881.77023.05372.4862
H72.15491.08832.90402.02622.48623.05371.7760
H82.15491.08832.90402.02623.05372.48621.7760

picture of Ethane, 1-chloro-2-fluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 107.637 C1 C2 H7 110.952
C1 C2 H8 110.952 C2 C1 Cl3 109.750
C2 C1 H5 110.399 C2 C1 H6 110.399
Cl3 C1 H5 108.461 Cl3 C1 H6 108.461
F4 C2 H7 108.936 F4 C2 H8 108.936
H5 C1 H6 109.321 H7 C2 H8 109.370
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-637.588369
Energy at 298.15K-637.593445
HF Energy-636.981196
Nuclear repulsion energy161.884855
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 MP2=FULL/6-31G**
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 3255 3042 6.89      
2 A 3213 3002 25.16      
3 A 3178 2970 13.57      
4 A 3138 2932 28.27      
5 A 1570 1467 1.18      
6 A 1528 1428 8.97      
7 A 1480 1383 18.79      
8 A 1398 1307 30.06      
9 A 1315 1229 0.59      
10 A 1266 1183 1.48      
11 A 1155 1079 44.63      
12 A 1113 1040 27.03      
13 A 1018 951 4.62      
14 A 889 830 8.25      
15 A 734 686 23.94      
16 A 477 446 12.09      
17 A 293 274 0.77      
18 A 144 135 2.05      

Unscaled Zero Point Vibrational Energy (zpe) 13582.2 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 12691.2 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 MP2=FULL/6-31G**
ABC
0.44844 0.11198 0.09723

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.092 0.848 -0.293
C2 1.199 0.422 0.355
Cl3 -1.413 -0.285 0.066
F4 1.634 -0.773 -0.199
H5 -0.382 1.830 0.071
H6 0.030 0.886 -1.371
H7 1.958 1.185 0.173
H8 1.072 0.284 1.427

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 H5 H6 H7 H8
C11.50561.77692.36971.08701.08562.12942.1520
C21.50562.72171.38732.13562.13551.09101.0885
Cl31.77692.72173.09792.35292.34923.67942.8903
F42.36971.38733.09793.30352.58872.01872.0191
H51.08702.13562.35293.30351.77212.42962.5184
H61.08562.13552.34922.58871.77212.48863.0460
H72.12941.09103.67942.01872.42962.48861.7796
H82.15201.08852.89032.01912.51843.04601.7796

picture of Ethane, 1-chloro-2-fluoro- state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 109.929 C1 C2 H7 109.136
C1 C2 H8 111.089 C2 C1 Cl3 111.755
C2 C1 H5 109.867 C2 C1 H6 109.941
Cl3 C1 H5 108.056 Cl3 C1 H6 107.853
F4 C2 H7 108.495 F4 C2 H8 108.675
H5 C1 H6 109.305 H7 C2 H8 109.474
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability