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

using model chemistry: MP2/CEP-121G

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-121G
 hartrees
Energy at 0K-84.722980
Energy at 298.15K 
HF Energy-84.200281
Nuclear repulsion energy104.513739
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-121G
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 3176 3099 14.59 26.47 0.63 0.77
2 A 3153 3077 10.35 84.29 0.30 0.47
3 A 3073 3000 11.44 98.03 0.08 0.14
4 A 1522 1485 6.72 6.94 0.75 0.86
5 A 1442 1408 5.09 3.60 0.74 0.85
6 A 1380 1346 19.48 5.61 0.75 0.85
7 A 1315 1283 14.06 2.54 0.72 0.84
8 A 1219 1189 7.32 9.57 0.72 0.84
9 A 1139 1112 15.05 5.01 0.68 0.81
10 A 1086 1060 44.75 5.07 0.59 0.74
11 A 988 965 181.54 2.56 0.33 0.50
12 A 969 946 28.97 12.84 0.37 0.54
13 A 870 849 69.51 8.24 0.33 0.50
14 A 516 504 7.34 3.84 0.30 0.46
15 A 439 429 29.66 1.15 0.70 0.83
16 A 385 376 7.67 2.45 0.61 0.76
17 A 238 233 15.81 0.15 0.61 0.76
18 A 104 101 15.89 0.11 0.67 0.81

Unscaled Zero Point Vibrational Energy (zpe) 11506.6 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 11230.5 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 MP2/CEP-121G
ABC
0.27351 0.11153 0.08607

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.778 -0.581 -0.361
C2 0.449 0.017 0.345
F3 -1.965 0.087 0.193
F4 1.586 -0.822 0.019
F5 0.736 1.325 -0.186
H6 -0.749 -0.375 -1.437
H7 -0.872 -1.650 -0.140
H8 0.387 0.104 1.434

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.53681.47042.40692.43971.09581.09612.2464
C21.53682.42041.44971.44032.18292.18141.0942
F31.47042.42043.67002.99472.08542.07962.6593
F42.40691.44973.67002.31832.78842.59852.0725
F52.43971.44032.99472.31832.58053.38162.0581
H61.09582.18292.08542.78842.58051.82313.1243
H71.09612.18142.07962.59853.38161.82312.6713
H82.24641.09422.65932.07252.05813.12432.6713

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 107.359 C1 C2 F5 110.026
C1 C2 H8 116.248 C2 C1 F3 107.172
C2 C1 H6 110.915 C2 C1 H7 110.780
F3 C1 H6 107.817 F3 C1 H7 107.351
F4 C2 F5 106.679 F4 C2 H8 108.306
F5 C2 H8 107.815 H6 C1 H7 112.548
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at MP2/CEP-121G
 hartrees
Energy at 0K-84.718877
Energy at 298.15K 
HF Energy-84.196121
Nuclear repulsion energy106.233284
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-121G
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' 3114 3039 30.20 86.70 0.15 0.27
2 A' 3057 2983 13.65 93.46 0.12 0.21
3 A' 1520 1484 7.51 6.78 0.75 0.86
4 A' 1428 1394 5.75 1.05 0.64 0.78
5 A' 1390 1357 23.86 6.48 0.74 0.85
6 A' 1122 1095 65.89 7.37 0.44 0.61
7 A' 997 973 10.53 4.35 0.74 0.85
8 A' 838 818 51.55 11.94 0.05 0.09
9 A' 693 677 63.49 4.79 0.58 0.74
10 A' 442 432 16.79 2.67 0.72 0.84
11 A' 228 222 2.93 0.37 0.58 0.74
12 A" 3151 3075 12.23 45.13 0.75 0.86
13 A" 1369 1336 19.47 1.93 0.75 0.86
14 A" 1225 1196 10.11 18.67 0.75 0.86
15 A" 1087 1061 49.06 0.61 0.75 0.86
16 A" 900 878 113.32 6.98 0.75 0.86
17 A" 349 340 0.22 0.49 0.75 0.86
18 A" 115 112 3.66 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11511.3 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 11235.0 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 MP2/CEP-121G
ABC
0.22232 0.13102 0.10645

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.791 -0.839 0.000
C2 0.391 0.644 0.000
F3 -0.409 -1.673 0.000
F4 -0.409 0.947 1.160
F5 -0.409 0.947 -1.160
H6 1.355 -1.078 -0.911
H7 1.355 -1.078 0.911
H8 1.243 1.336 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.53581.46132.44442.44441.09771.09772.2215
C21.53582.45161.44121.44122.17332.17331.0977
F31.46132.45162.86572.86572.07272.07273.4330
F42.44441.44122.86572.31913.39112.69742.0558
F52.44441.44122.86572.31912.69743.39112.0558
H61.09772.17332.07273.39112.69741.82132.5823
H71.09772.17332.07272.69743.39111.82132.5823
H82.22151.09773.43302.05582.05582.58232.5823

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 110.344 C1 C2 F5 110.344
C1 C2 H8 114.003 C2 C1 F3 109.742
C2 C1 H6 110.112 C2 C1 H7 110.112
F3 C1 H6 107.333 F3 C1 H7 107.333
F4 C2 F5 107.134 F4 C2 H8 107.363
F5 C2 H8 107.363 H6 C1 H7 112.113
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability