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

using model chemistry: CCSD/6-311G*

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 CCSD/6-311G*
 hartrees
Energy at 0K-376.785307
Energy at 298.15K 
HF Energy-375.886670
Nuclear repulsion energy191.030065
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/6-311G*
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 3159 3012 35.44      
2 A 3136 2990 21.21      
3 A 3092 2948 17.98      
4 A 1538 1466 3.76      
5 A 1509 1439 18.16      
6 A 1455 1388 28.06      
7 A 1380 1316 24.04      
8 A 1299 1238 12.80      
9 A 1203 1147 104.56      
10 A 1175 1120 39.49      
11 A 1159 1105 167.76      
12 A 1128 1076 53.67      
13 A 937 893 35.35      
14 A 592 564 5.08      
15 A 490 467 21.64      
16 A 439 418 5.74      
17 A 251 239 9.28      
18 A 126 120 8.99      

Unscaled Zero Point Vibrational Energy (zpe) 12032.8 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 11473.3 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/6-311G*
ABC
0.30392 0.12173 0.09386

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.771 -0.594 -0.282
C2 0.469 0.021 0.328
F3 -1.875 0.108 0.151
F4 1.533 -0.756 -0.008
F5 0.672 1.259 -0.182
H6 -0.706 -0.530 -1.373
H7 -0.863 -1.637 0.036
H8 0.418 0.103 1.418

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51201.37822.32552.35051.09451.09432.1882
C21.51202.35231.35981.35432.13922.14601.0940
F31.37822.35233.51962.81542.02372.02082.6207
F42.32551.35983.51962.19772.63152.55242.0029
F52.35051.35432.81542.19772.55343.28461.9902
H61.09452.13922.02372.63152.55341.79783.0744
H71.09432.14602.02082.55243.28461.79782.5643
H82.18821.09402.62072.00291.99023.07442.5643

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 108.036 C1 C2 F5 110.064
C1 C2 H8 113.240 C2 C1 F3 108.872
C2 C1 H6 109.267 C2 C1 H7 109.813
F3 C1 H6 109.323 F3 C1 H7 109.097
F4 C2 F5 108.142 F4 C2 H8 108.944
F5 C2 H8 108.294 H6 C1 H7 110.443
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at CCSD/6-311G*
 hartrees
Energy at 0K-376.782607
Energy at 298.15K 
HF Energy-375.883792
Nuclear repulsion energy193.838920
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/6-311G*
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' 3109 2965 57.20      
2 A' 3081 2938 11.52      
3 A' 1537 1466 7.58      
4 A' 1482 1413 28.78      
5 A' 1455 1387 24.95      
6 A' 1221 1165 117.46      
7 A' 1139 1086 19.49      
8 A' 902 860 38.49      
9 A' 778 742 56.06      
10 A' 529 505 14.15      
11 A' 241 230 2.24      
12 A" 3142 2996 23.17      
13 A" 1450 1383 36.46      
14 A" 1313 1252 19.49      
15 A" 1191 1135 105.55      
16 A" 990 944 59.99      
17 A" 381 363 0.11      
18 A" 121 115 2.33      

Unscaled Zero Point Vibrational Energy (zpe) 12030.6 cm-1
Scaled (by 0.9535) Zero Point Vibrational Energy (zpe) 11471.1 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 CCSD/6-311G*
ABC
0.24772 0.14048 0.11501

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.741 -0.830 0.000
C2 0.355 0.631 0.000
F3 -0.388 -1.614 0.000
F4 -0.388 0.919 1.097
F5 -0.388 0.919 -1.097
H6 1.327 -1.052 -0.898
H7 1.327 -1.052 0.898
H8 1.237 1.283 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51131.37412.35332.35331.09541.09542.1709
C21.51132.36471.35551.35552.14122.14121.0966
F31.37412.36472.76062.76062.01592.01593.3215
F42.35331.35552.76062.19303.28752.62071.9933
F52.35331.35552.76062.19302.62073.28751.9933
H61.09542.14122.01593.28752.62071.79652.5038
H71.09542.14122.01592.62073.28751.79652.5038
H82.17091.09663.32151.99331.99332.50382.5038

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 110.223 C1 C2 F5 110.223
C1 C2 H8 111.710 C2 C1 F3 109.989
C2 C1 H6 109.416 C2 C1 H7 109.416
F3 C1 H6 108.918 F3 C1 H7 108.918
F4 C2 F5 107.980 F4 C2 H8 108.298
F5 C2 H8 108.298 H6 C1 H7 110.171
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability