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

using model chemistry: CID/3-21G

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 CID/3-21G
 hartrees
Energy at 0K-374.231738
Energy at 298.15K 
HF Energy-373.748783
Nuclear repulsion energy188.477544
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 CID/3-21G
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 3247 3025 37.76      
2 A 3230 3009 13.89      
3 A 3189 2971 8.71      
4 A 1633 1521 2.48      
5 A 1536 1431 10.66      
6 A 1525 1421 28.48      
7 A 1437 1339 24.17      
8 A 1330 1239 11.29      
9 A 1229 1145 87.09      
10 A 1186 1105 32.10      
11 A 1175 1094 80.83      
12 A 1136 1058 22.68      
13 A 963 897 22.57      
14 A 573 534 6.86      
15 A 466 434 24.47      
16 A 426 397 8.32      
17 A 229 214 12.38      
18 A 123 115 10.81      

Unscaled Zero Point Vibrational Energy (zpe) 12316.1 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 11473.7 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 CID/3-21G
ABC
0.29098 0.11926 0.09161

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.759 -0.587 -0.319
C2 0.459 0.024 0.333
F3 -1.901 0.087 0.169
F4 1.547 -0.778 0.010
F5 0.680 1.291 -0.182
H6 -0.683 -0.469 -1.397
H7 -0.809 -1.641 -0.062
H8 0.355 0.090 1.409

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51081.41272.33772.37001.08701.08602.1646
C21.51082.36711.38981.38572.13052.12981.0836
F31.41272.36713.55902.87002.06042.05702.5747
F42.33771.38983.55902.25202.65432.51032.0335
F52.37001.38572.87002.25202.53603.29072.0207
H61.08702.13052.06042.65432.53601.78023.0436
H71.08602.12982.05702.51033.29071.78022.5525
H82.16461.08362.57472.03352.02073.04362.5525

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 107.323 C1 C2 F5 109.740
C1 C2 H8 112.041 C2 C1 F3 108.082
C2 C1 H6 109.098 C2 C1 H7 109.110
F3 C1 H6 110.351 F3 C1 H7 110.139
F4 C2 F5 108.458 F4 C2 H8 109.981
F5 C2 H8 109.221 H6 C1 H7 110.019
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at CID/3-21G
 hartrees
Energy at 0K-374.227954
Energy at 298.15K 
HF Energy-373.744258
Nuclear repulsion energy191.354017
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 CID/3-21G
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' 3208 2989 49.57      
2 A' 3178 2960 8.14      
3 A' 1628 1516 2.17      
4 A' 1553 1447 10.55      
5 A' 1489 1387 27.37      
6 A' 1225 1141 80.89      
7 A' 1129 1051 4.86      
8 A' 907 845 36.78      
9 A' 760 708 47.04      
10 A' 497 463 19.12      
11 A' 224 209 2.49      
12 A" 3226 3005 19.45      
13 A" 1525 1421 38.62      
14 A" 1365 1271 10.76      
15 A" 1227 1143 54.42      
16 A" 1048 976 41.56      
17 A" 357 332 0.01      
18 A" 118 110 2.89      

Unscaled Zero Point Vibrational Energy (zpe) 12330.7 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 11487.3 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 CID/3-21G
ABC
0.23558 0.13944 0.11319

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.764 -0.818 0.000
C2 0.363 0.637 0.000
F3 -0.397 -1.622 0.000
F4 -0.397 0.914 1.126
F5 -0.397 0.914 -1.126
H6 1.353 -1.025 -0.890
H7 1.353 -1.025 0.890
H8 1.241 1.277 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.50981.41142.37002.37001.08731.08732.1490
C21.50982.38401.38671.38672.12952.12951.0857
F31.41142.38402.77532.77532.05192.05193.3295
F42.37001.38672.77532.25263.29962.62252.0202
F52.37001.38672.77532.25262.62253.29962.0202
H61.08732.12952.05193.29962.62251.78002.4704
H71.08732.12952.05192.62253.29961.78002.4704
H82.14901.08573.32952.02022.02022.47042.4704

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 109.742 C1 C2 F5 109.742
C1 C2 H8 110.719 C2 C1 F3 109.346
C2 C1 H6 109.070 C2 C1 H7 109.070
F3 C1 H6 109.732 F3 C1 H7 109.732
F4 C2 F5 108.628 F4 C2 H8 108.986
F5 C2 H8 108.986 H6 C1 H7 109.872
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability