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

using model chemistry: CISD/Def2TZVPP

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 CISD/Def2TZVPP
 hartrees
Energy at 0K-376.888945
Energy at 298.15K 
HF Energy-375.958374
Nuclear repulsion energy193.098136
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 CISD/Def2TZVPP
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 3275 3275 23.92      
2 A 3246 3246 19.52      
3 A 3209 3209 16.14      
4 A 1580 1580 7.63      
5 A 1562 1562 14.05      
6 A 1493 1493 24.47      
7 A 1431 1431 20.67      
8 A 1346 1346 19.30      
9 A 1254 1254 108.76      
10 A 1220 1220 174.92      
11 A 1204 1204 86.24      
12 A 1181 1181 41.71      
13 A 970 970 31.47      
14 A 618 618 4.90      
15 A 504 504 20.65      
16 A 453 453 5.99      
17 A 258 258 8.77      
18 A 126 126 8.95      

Unscaled Zero Point Vibrational Energy (zpe) 12463.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12463.6 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 CISD/Def2TZVPP
ABC
0.31176 0.12380 0.09566

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.773 -0.582 -0.280
C2 0.465 0.019 0.323
F3 -1.859 0.115 0.150
F4 1.511 -0.753 -0.007
F5 0.682 1.239 -0.181
H6 -0.714 -0.526 -1.357
H7 -0.864 -1.611 0.035
H8 0.411 0.100 1.398

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.50261.36002.30712.33341.07991.07962.1642
C21.50262.33231.34201.33772.12332.12281.0795
F31.36002.33233.48392.79831.99801.99512.5908
F42.30711.34203.48392.16522.61232.52601.9783
F52.33341.33772.79832.16522.53933.24961.9658
H61.07992.12331.99802.61232.53931.77103.0409
H71.07962.12281.99512.52603.24961.77102.5319
H82.16421.07952.59081.97831.96583.04092.5319

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 108.261 C1 C2 F5 110.341
C1 C2 H8 112.865 C2 C1 F3 109.022
C2 C1 H6 109.517 C2 C1 H7 109.494
F3 C1 H6 109.413 F3 C1 H7 109.187
F4 C2 F5 107.800 F4 C2 H8 109.087
F5 C2 H8 108.360 H6 C1 H7 110.188
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at CISD/Def2TZVPP
 hartrees
Energy at 0K-376.886842
Energy at 298.15K 
HF Energy-375.956134
Nuclear repulsion energy195.832488
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 CISD/Def2TZVPP
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' 3224 3224 50.28      
2 A' 3199 3199 6.86      
3 A' 1575 1575 9.94      
4 A' 1538 1538 26.55      
5 A' 1506 1506 22.09      
6 A' 1280 1280 132.90      
7 A' 1196 1196 28.40      
8 A' 931 931 35.95      
9 A' 808 808 55.31      
10 A' 553 553 14.68      
11 A' 249 249 1.99      
12 A" 3258 3258 16.27      
13 A" 1486 1486 33.57      
14 A" 1365 1365 26.73      
15 A" 1238 1238 125.15      
16 A" 1026 1026 53.05      
17 A" 388 388 0.23      
18 A" 124 124 2.30      

Unscaled Zero Point Vibrational Energy (zpe) 12471.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12471.0 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 CISD/Def2TZVPP
ABC
0.25505 0.14208 0.11672

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.728 -0.829 0.000
C2 0.351 0.624 0.000
F3 -0.382 -1.607 0.000
F4 -0.382 0.918 1.080
F5 -0.382 0.918 -1.080
H6 1.311 -1.044 -0.885
H7 1.311 -1.044 0.885
H8 1.230 1.253 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.50141.35572.33582.33581.08071.08072.1421
C21.50142.34781.33861.33862.11792.11791.0816
F31.35572.34782.74652.74651.99151.99153.2831
F42.33581.33862.74652.16103.25262.59921.9699
F52.33581.33862.74652.16102.59923.25261.9699
H61.08072.11791.99153.25262.59921.76932.4628
H71.08072.11791.99152.59923.25261.76932.4628
H82.14211.08163.28311.96991.96992.46282.4628

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 110.538 C1 C2 F5 110.538
C1 C2 H8 111.009 C2 C1 F3 110.415
C2 C1 H6 109.132 C2 C1 H7 109.132
F3 C1 H6 109.129 F3 C1 H7 109.129
F4 C2 F5 107.647 F4 C2 H8 108.504
F5 C2 H8 108.504 H6 C1 H7 109.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability