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

using model chemistry: MP2/CEP-31G*

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 MP2/CEP-31G*
 hartrees
Energy at 0K-85.046295
Energy at 298.15K 
HF Energy-84.318185
Nuclear repulsion energy107.696831
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 MP2/CEP-31G*
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 3234 3070 32.44 32.43 0.71 0.83
2 A 3198 3037 32.07 79.63 0.29 0.45
3 A 3147 2987 26.09 104.61 0.08 0.15
4 A 1528 1451 8.83 6.67 0.72 0.83
5 A 1495 1419 10.35 1.78 0.72 0.84
6 A 1421 1349 25.27 3.41 0.74 0.85
7 A 1356 1287 22.83 2.70 0.67 0.80
8 A 1276 1211 11.68 8.95 0.72 0.83
9 A 1178 1118 75.15 6.97 0.75 0.86
10 A 1156 1097 30.77 2.35 0.25 0.40
11 A 1115 1059 245.09 1.62 0.42 0.59
12 A 1089 1034 44.81 8.56 0.41 0.58
13 A 925 878 41.79 5.91 0.32 0.48
14 A 571 542 4.62 2.45 0.35 0.52
15 A 471 447 21.55 0.75 0.73 0.84
16 A 422 401 5.85 1.74 0.55 0.71
17 A 243 230 9.92 0.09 0.57 0.73
18 A 118 112 10.36 0.04 0.67 0.80

Unscaled Zero Point Vibrational Energy (zpe) 11970.5 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 11364.8 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 MP2/CEP-31G*
ABC
0.29490 0.11837 0.09139

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.782 -0.594 -0.301
C2 0.469 0.022 0.335
F3 -1.901 0.110 0.162
F4 1.546 -0.776 -0.002
F5 0.696 1.274 -0.187
H6 -0.729 -0.501 -1.398
H7 -0.878 -1.648 0.006
H8 0.420 0.108 1.431

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.53251.40112.35492.38471.10151.10162.2231
C21.53252.37781.38221.37512.16942.16991.1012
F31.40112.37783.56352.86702.04472.04042.6459
F42.35491.38223.56352.22642.68302.57662.0259
F52.38471.37512.86702.22642.57753.32402.0129
H61.10152.16942.04472.68302.57751.81853.1134
H71.10162.16992.04042.57663.32401.81852.6082
H82.22311.10122.64592.02592.01293.11342.6082

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 107.681 C1 C2 F5 110.087
C1 C2 H8 114.150 C2 C1 F3 108.215
C2 C1 H6 109.819 C2 C1 H7 109.851
F3 C1 H6 108.990 F3 C1 H7 108.632
F4 C2 F5 107.692 F4 C2 H8 108.800
F5 C2 H8 108.241 H6 C1 H7 111.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at MP2/CEP-31G*
 hartrees
Energy at 0K-85.043555
Energy at 298.15K 
HF Energy-84.315436
Nuclear repulsion energy109.249440
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 MP2/CEP-31G*
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' 3163 3003 70.21 92.15 0.13 0.24
2 A' 3134 2975 19.53 88.10 0.15 0.27
3 A' 1524 1447 9.46 5.05 0.73 0.84
4 A' 1471 1397 23.24 2.27 0.59 0.75
5 A' 1431 1359 26.96 3.02 0.74 0.85
6 A' 1197 1136 111.92 6.87 0.40 0.57
7 A' 1107 1051 24.89 3.45 0.74 0.85
8 A' 889 844 38.87 8.64 0.12 0.21
9 A' 753 715 54.86 3.26 0.58 0.73
10 A' 507 482 13.02 1.71 0.74 0.85
11 A' 235 223 2.13 0.23 0.52 0.68
12 A" 3215 3052 27.23 46.53 0.75 0.86
13 A" 1413 1341 33.50 0.98 0.75 0.86
14 A" 1288 1223 16.73 15.19 0.75 0.86
15 A" 1154 1096 120.20 1.19 0.75 0.86
16 A" 970 921 75.58 4.60 0.75 0.86
17 A" 366 347 0.20 0.31 0.75 0.86
18 A" 115 109 2.55 0.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11966.1 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 11360.6 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 MP2/CEP-31G*
ABC
0.24109 0.13641 0.11175

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.753 -0.843 0.000
C2 0.363 0.639 0.000
F3 -0.393 -1.638 0.000
F4 -0.393 0.934 1.111
F5 -0.393 0.934 -1.111
H6 1.337 -1.067 -0.908
H7 1.337 -1.067 0.908
H8 1.248 1.300 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.53241.39492.38892.38891.10291.10292.2001
C21.53242.39911.37641.37642.16412.16411.1047
F31.39492.39912.80162.80162.03632.03633.3656
F42.38891.37642.80162.22283.32822.65322.0155
F52.38891.37642.80162.22282.65323.32822.0155
H61.10292.16412.03633.32822.65321.81632.5373
H71.10292.16412.03632.65323.32821.81632.5373
H82.20011.10473.36562.01552.01552.53732.5373

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 110.311 C1 C2 F5 110.311
C1 C2 H8 112.065 C2 C1 F3 109.994
C2 C1 H6 109.331 C2 C1 H7 109.331
F3 C1 H6 108.657 F3 C1 H7 108.657
F4 C2 F5 107.704 F4 C2 H8 108.156
F5 C2 H8 108.156 H6 C1 H7 110.859
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability