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All results from a given calculation for CHF2CH2F (Ethane, 1,1,2-trifluoro)

using model chemistry: QCISD/cc-pVDZ

19 10 17 12 22

States and conformations

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

Conformer 1 (C1)

Jump to S1C2
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-376.666405
Energy at 298.15K 
HF Energy-375.806654
Nuclear repulsion energy190.306659
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 QCISD/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 3163 3035 34.25      
2 A 3128 3001 31.17      
3 A 3095 2970 20.04      
4 A 1501 1440 3.22      
5 A 1487 1426 20.70      
6 A 1426 1368 30.00      
7 A 1353 1298 30.85      
8 A 1272 1220 14.77      
9 A 1195 1147 103.91      
10 A 1162 1115 83.70      
11 A 1146 1100 117.67      
12 A 1118 1073 43.95      
13 A 925 887 34.18      
14 A 585 561 4.85      
15 A 477 458 19.09      
16 A 432 414 5.82      
17 A 241 231 8.43      
18 A 119 115 7.95      

Unscaled Zero Point Vibrational Energy (zpe) 11913.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 11429.6 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 QCISD/cc-pVDZ
ABC
0.30153 0.12089 0.09321

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.774 -0.594 -0.282
C2 0.470 0.021 0.329
F3 -1.882 0.108 0.150
F4 1.537 -0.759 -0.008
F5 0.675 1.264 -0.183
H6 -0.701 -0.536 -1.383
H7 -0.857 -1.648 0.036
H8 0.412 0.101 1.429

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51701.38152.33352.35871.10401.10362.1948
C21.51702.36061.36451.35942.14792.15221.1036
F31.38152.36063.53132.82632.03972.03682.6261
F42.33351.36453.53132.20542.63612.55412.0176
F52.35871.35942.82632.20542.56423.29722.0046
H61.10402.14792.03972.63612.56421.80853.0899
H71.10362.15222.03682.55413.29721.80852.5703
H82.19481.10362.62612.01762.00463.08992.5703

picture of Ethane, 1,1,2-trifluoro state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 108.044 C1 C2 F5 110.054
C1 C2 H8 112.810 C2 C1 F3 108.970
C2 C1 H6 109.053 C2 C1 H7 109.414
F3 C1 H6 109.788 F3 C1 H7 109.581
F4 C2 F5 108.119 F4 C2 H8 109.204
F5 C2 H8 108.505 H6 C1 H7 110.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-376.663836
Energy at 298.15K 
HF Energy-375.803626
Nuclear repulsion energy193.119274
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 QCISD/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' 3103 2977 70.49      
2 A' 3082 2957 8.67      
3 A' 1497 1437 7.42      
4 A' 1468 1408 37.02      
5 A' 1429 1371 28.26      
6 A' 1212 1163 109.11      
7 A' 1126 1080 17.93      
8 A' 895 858 40.74      
9 A' 766 735 51.27      
10 A' 523 502 13.41      
11 A' 233 224 2.20      
12 A" 3147 3019 27.96      
13 A" 1423 1365 42.17      
14 A" 1294 1241 20.81      
15 A" 1179 1131 101.36      
16 A" 976 937 53.93      
17 A" 369 354 0.04      
18 A" 114 110 2.01      

Unscaled Zero Point Vibrational Energy (zpe) 11917.5 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 11433.7 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 QCISD/cc-pVDZ
ABC
0.24567 0.13960 0.11434

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.742 -0.833 0.000
C2 0.357 0.633 0.000
F3 -0.390 -1.619 0.000
F4 -0.390 0.922 1.100
F5 -0.390 0.922 -1.100
H6 1.340 -1.050 -0.903
H7 1.340 -1.050 0.903
H8 1.252 1.282 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51591.37792.36052.36051.10471.10472.1758
C21.51592.37211.36071.36072.14812.14811.1059
F31.37792.37212.76852.76852.03302.03303.3331
F42.36051.36072.76852.20073.30062.63032.0091
F52.36051.36072.76852.20072.63033.30062.0091
H61.10472.14812.03303.30062.63031.80652.5020
H71.10472.14812.03302.63033.30061.80652.5020
H82.17581.10593.33312.00912.00912.50202.5020

picture of Ethane, 1,1,2-trifluoro state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 110.172 C1 C2 F5 110.172
C1 C2 H8 111.208 C2 C1 F3 110.020
C2 C1 H6 109.097 C2 C1 H7 109.097
F3 C1 H6 109.459 F3 C1 H7 109.459
F4 C2 F5 107.932 F4 C2 H8 108.636
F5 C2 H8 108.636 H6 C1 H7 109.695
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability