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

using model chemistry: QCISD/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-376.762567
Energy at 298.15K 
HF Energy-375.837763
Nuclear repulsion energy189.065902
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/aug-cc-pVDZ
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 3165 3066 18.04      
2 A 3141 3042 14.13      
3 A 3094 2997 15.80      
4 A 1490 1443 7.88      
5 A 1461 1415 10.03      
6 A 1389 1345 17.26      
7 A 1333 1291 13.57      
8 A 1256 1217 12.18      
9 A 1169 1132 62.25      
10 A 1136 1101 28.68      
11 A 1101 1066 231.92      
12 A 1071 1038 45.29      
13 A 908 880 38.25      
14 A 565 547 3.86      
15 A 472 457 20.07      
16 A 420 407 5.92      
17 A 241 234 8.82      
18 A 119 116 8.70      

Unscaled Zero Point Vibrational Energy (zpe) 11764.7 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 11396.5 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 QCISD/aug-cc-pVDZ
ABC
0.29790 0.11942 0.09211

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.773 -0.604 -0.287
C2 0.465 0.019 0.335
F3 -1.894 0.109 0.151
F4 1.550 -0.760 -0.009
F5 0.677 1.272 -0.185
H6 -0.714 -0.539 -1.385
H7 -0.870 -1.650 0.041
H8 0.421 0.104 1.432

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51891.39912.34472.37271.10141.10152.2090
C21.51892.36791.37921.37292.15882.15811.1009
F31.39912.36793.55572.84142.04242.03882.6454
F42.34471.37923.55572.21832.65892.57982.0242
F52.37271.37292.84142.21832.57953.31452.0107
H61.10142.15882.04242.65892.57951.81533.1041
H71.10152.15812.03882.57983.31451.81532.5843
H82.20901.10092.64542.02422.01073.10412.5843

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 107.907 C1 C2 F5 110.166
C1 C2 H8 114.009 C2 C1 F3 108.413
C2 C1 H6 109.924 C2 C1 H7 109.861
F3 C1 H6 108.951 F3 C1 H7 108.656
F4 C2 F5 107.421 F4 C2 H8 108.891
F5 C2 H8 108.245 H6 C1 H7 110.980
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-376.760428
Energy at 298.15K 
HF Energy-375.835442
Nuclear repulsion energy191.912853
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/aug-cc-pVDZ
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' 3112 3015 38.48      
2 A' 3081 2985 11.60      
3 A' 1484 1438 9.06      
4 A' 1444 1399 19.00      
5 A' 1405 1361 17.51      
6 A' 1187 1150 101.45      
7 A' 1091 1057 24.59      
8 A' 881 853 37.39      
9 A' 749 726 53.54      
10 A' 504 488 12.22      
11 A' 233 226 1.63      
12 A" 3147 3048 13.27      
13 A" 1381 1338 23.13      
14 A" 1274 1234 19.89      
15 A" 1134 1098 110.94      
16 A" 953 923 65.80      
17 A" 367 355 0.33      
18 A" 119 116 2.08      

Unscaled Zero Point Vibrational Energy (zpe) 11773.0 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 11404.5 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 QCISD/aug-cc-pVDZ
ABC
0.24238 0.13794 0.11311

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.752 -0.835 0.000
C2 0.365 0.633 0.000
F3 -0.394 -1.627 0.000
F4 -0.394 0.927 1.107
F5 -0.394 0.927 -1.107
H6 1.338 -1.061 -0.906
H7 1.338 -1.061 0.906
H8 1.250 1.292 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51791.39292.37582.37581.10261.10262.1846
C21.51792.38411.37401.37402.15312.15311.1034
F31.39292.38412.78422.78422.03512.03513.3502
F42.37581.37402.78422.21333.31732.64452.0151
F52.37581.37402.78422.21332.64453.31732.0151
H61.10262.15312.03513.31732.64451.81252.5227
H71.10262.15312.03512.64453.31731.81252.5227
H82.18461.10343.35022.01512.01512.52272.5227

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 110.375 C1 C2 F5 110.375
C1 C2 H8 111.925 C2 C1 F3 109.907
C2 C1 H6 109.472 C2 C1 H7 109.472
F3 C1 H6 108.714 F3 C1 H7 108.714
F4 C2 F5 107.301 F4 C2 H8 108.360
F5 C2 H8 108.360 H6 C1 H7 110.547
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability