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

using model chemistry: CCSD/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-376.821241
Energy at 298.15K 
HF Energy-375.808030
Nuclear repulsion energy192.146640
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/6-31G(2df,p)
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 3172 2999 25.83      
2 A 3131 2960 27.45      
3 A 3108 2939 14.63      
4 A 1536 1452 2.76      
5 A 1508 1425 16.38      
6 A 1460 1380 25.65      
7 A 1386 1311 22.74      
8 A 1299 1228 15.65      
9 A 1220 1153 102.64      
10 A 1190 1125 147.32      
11 A 1171 1107 25.80      
12 A 1149 1086 36.21      
13 A 940 889 24.00      
14 A 594 561 4.12      
15 A 483 457 15.98      
16 A 436 412 5.77      
17 A 239 226 7.25      
18 A 124 117 6.73      

Unscaled Zero Point Vibrational Energy (zpe) 12071.8 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 11413.9 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 CCSD/6-31G(2df,p)
ABC
0.30823 0.12343 0.09513

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.768 -0.605 -0.270
C2 0.472 0.021 0.329
F3 -1.859 0.109 0.143
F4 1.534 -0.736 -0.014
F5 0.647 1.252 -0.183
H6 -0.691 -0.571 -1.359
H7 -0.857 -1.642 0.065
H8 0.419 0.099 1.418

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51241.36742.32032.33711.09291.09252.1805
C21.51242.33941.34931.34512.13372.14451.0933
F31.36742.33943.50032.77382.02032.01822.6105
F42.32031.34933.50032.18432.60612.55821.9981
F52.33711.34512.77382.18432.54953.27101.9863
H61.09292.13372.02032.60612.54951.78953.0654
H71.09252.14452.01822.55823.27101.78952.5476
H82.18051.09332.61051.99811.98633.06542.5476

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 108.215 C1 C2 F5 109.608
C1 C2 H8 112.625 C2 C1 F3 108.544
C2 C1 H6 108.904 C2 C1 H7 109.780
F3 C1 H6 109.900 F3 C1 H7 109.752
F4 C2 F5 108.323 F4 C2 H8 109.326
F5 C2 H8 108.657 H6 C1 H7 109.936
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-376.819380
Energy at 298.15K 
HF Energy-375.805700
Nuclear repulsion energy195.269738
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/6-31G(2df,p)
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' 3113 2943 56.51      
2 A' 3096 2927 6.02      
3 A' 1533 1449 5.14      
4 A' 1485 1404 27.20      
5 A' 1458 1379 20.29      
6 A' 1233 1165 105.63      
7 A' 1155 1092 15.87      
8 A' 910 860 27.77      
9 A' 781 738 45.16      
10 A' 530 501 12.04      
11 A' 238 225 1.50      
12 A" 3158 2986 20.58      
13 A" 1457 1378 33.56      
14 A" 1316 1244 21.36      
15 A" 1207 1142 90.96      
16 A" 999 944 41.08      
17 A" 373 353 0.16      
18 A" 120 113 1.83      

Unscaled Zero Point Vibrational Energy (zpe) 12079.9 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 11421.5 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/6-31G(2df,p)
ABC
0.24949 0.14383 0.11791

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.746 -0.827 0.000
C2 0.355 0.633 0.000
F3 -0.389 -1.585 0.000
F4 -0.389 0.902 1.089
F5 -0.389 0.902 -1.089
H6 1.335 -1.047 -0.894
H7 1.335 -1.047 0.894
H8 1.234 1.287 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51171.36462.33772.33771.09341.09342.1702
C21.51172.33991.34641.34642.14102.14101.0951
F31.36462.33992.71522.71522.01562.01563.2991
F42.33771.34642.71522.17793.27222.61011.9919
F52.33771.34642.71522.17792.61013.27221.9919
H61.09342.14102.01563.27222.61011.78832.5021
H71.09342.14102.01562.61013.27221.78832.5021
H82.17021.09513.29911.99191.99192.50212.5021

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 109.622 C1 C2 F5 109.622
C1 C2 H8 111.723 C2 C1 F3 108.771
C2 C1 H6 109.487 C2 C1 H7 109.487
F3 C1 H6 109.676 F3 C1 H7 109.676
F4 C2 F5 107.960 F4 C2 H8 108.916
F5 C2 H8 108.916 H6 C1 H7 109.725
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability