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

using model chemistry: QCISD/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-377.035903
Energy at 298.15K 
HF Energy-375.930473
Nuclear repulsion energy191.516819
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/6-311+G(3df,2p)
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 3160 3014 18.40      
2 A 3129 2984 17.01      
3 A 3094 2950 15.70      
4 A 1525 1454 6.05      
5 A 1490 1421 12.59      
6 A 1427 1361 18.10      
7 A 1369 1306 14.85      
8 A 1291 1231 14.86      
9 A 1195 1139 91.13      
10 A 1164 1110 21.03      
11 A 1148 1095 218.27      
12 A 1119 1068 46.46      
13 A 931 888 31.53      
14 A 590 562 3.97      
15 A 486 464 19.71      
16 A 435 415 5.57      
17 A 247 236 8.39      
18 A 124 118 8.58      

Unscaled Zero Point Vibrational Energy (zpe) 11961.0 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 11407.2 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 QCISD/6-311+G(3df,2p)
ABC
0.30616 0.12217 0.09431

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.773 -0.593 -0.281
C2 0.468 0.020 0.328
F3 -1.871 0.112 0.150
F4 1.528 -0.754 -0.009
F5 0.675 1.253 -0.183
H6 -0.712 -0.534 -1.368
H7 -0.866 -1.630 0.041
H8 0.419 0.103 1.414

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51181.37402.32252.34771.09021.09002.1863
C21.51182.34721.35551.35032.13902.14101.0903
F31.37402.34723.51112.80992.01622.01362.6162
F42.32251.35553.51112.18702.62902.55011.9974
F52.34771.35032.80992.18702.55373.27641.9841
H61.09022.13902.01622.62902.55371.79153.0703
H71.09002.14102.01362.55013.27641.79152.5578
H82.18631.09032.61621.99741.98413.07032.5578

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 108.071 C1 C2 F5 110.099
C1 C2 H8 113.335 C2 C1 F3 108.756
C2 C1 H6 109.523 C2 C1 H7 109.691
F3 C1 H6 109.267 F3 C1 H7 109.063
F4 C2 F5 107.859 F4 C2 H8 109.032
F5 C2 H8 108.305 H6 C1 H7 110.512
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at QCISD/6-311+G(3df,2p)
 hartrees
Energy at 0K-377.033906
Energy at 298.15K 
HF Energy-375.928367
Nuclear repulsion energy194.356084
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/6-311+G(3df,2p)
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' 3104 2960 45.79      
2 A' 3083 2940 6.56      
3 A' 1518 1448 7.49      
4 A' 1468 1400 20.66      
5 A' 1439 1372 17.33      
6 A' 1219 1163 113.71      
7 A' 1136 1083 25.44      
8 A' 896 855 31.95      
9 A' 775 739 52.24      
10 A' 528 504 12.84      
11 A' 241 230 1.62      
12 A" 3144 2999 13.62      
13 A" 1421 1355 25.18      
14 A" 1308 1248 21.72      
15 A" 1177 1122 118.47      
16 A" 981 935 56.06      
17 A" 374 357 0.33      
18 A" 123 117 2.12      

Unscaled Zero Point Vibrational Energy (zpe) 11966.9 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 11412.9 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/6-311+G(3df,2p)
ABC
0.24992 0.14075 0.11552

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.739 -0.832 0.000
C2 0.356 0.630 0.000
F3 -0.387 -1.612 0.000
F4 -0.387 0.920 1.091
F5 -0.387 0.920 -1.091
H6 1.323 -1.052 -0.895
H7 1.323 -1.052 0.895
H8 1.238 1.274 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51121.36902.35062.35061.09101.09102.1646
C21.51122.36101.35091.35092.13612.13611.0927
F31.36902.36102.75612.75612.00962.00963.3116
F42.35061.35092.75612.18113.27902.61701.9890
F52.35061.35092.75612.18112.61703.27901.9890
H61.09102.13612.00963.27902.61701.78942.4931
H71.09102.13612.00962.61703.27901.78942.4931
H82.16461.09273.31161.98901.98902.49312.4931

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 110.302 C1 C2 F5 110.302
C1 C2 H8 111.451 C2 C1 F3 110.018
C2 C1 H6 109.284 C2 C1 H7 109.284
F3 C1 H6 109.032 F3 C1 H7 109.032
F4 C2 F5 107.662 F4 C2 H8 108.509
F5 C2 H8 108.509 H6 C1 H7 110.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability