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

using model chemistry: MP2/3-21G

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 MP2/3-21G
 hartrees
Energy at 0K-374.277082
Energy at 298.15K 
HF Energy-373.747107
Nuclear repulsion energy187.228225
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 MP2/3-21G
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 3202 3057 36.94 25.29 0.44 0.61
2 A 3181 3036 22.29 82.58 0.47 0.64
3 A 3142 2999 9.68 85.65 0.11 0.20
4 A 1615 1541 2.10 12.03 0.74 0.85
5 A 1507 1438 7.27 4.18 0.75 0.85
6 A 1501 1433 26.39 8.37 0.75 0.86
7 A 1414 1350 22.36 4.66 0.75 0.85
8 A 1307 1247 7.12 10.97 0.73 0.85
9 A 1190 1136 64.02 4.41 0.70 0.82
10 A 1161 1108 32.04 4.09 0.64 0.78
11 A 1136 1084 90.28 3.62 0.54 0.70
12 A 1097 1047 16.66 7.64 0.50 0.66
13 A 941 898 22.62 6.58 0.30 0.46
14 A 557 531 5.87 2.33 0.41 0.58
15 A 453 433 21.39 0.92 0.74 0.85
16 A 413 394 7.66 1.90 0.55 0.71
17 A 219 209 11.12 0.06 0.59 0.74
18 A 124 118 9.49 0.05 0.74 0.85

Unscaled Zero Point Vibrational Energy (zpe) 12078.2 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 11528.7 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 MP2/3-21G
ABC
0.28637 0.11803 0.09043

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.755 -0.598 -0.315
C2 0.462 0.025 0.337
F3 -1.913 0.080 0.165
F4 1.564 -0.777 0.006
F5 0.667 1.307 -0.183
H6 -0.670 -0.489 -1.397
H7 -0.798 -1.654 -0.049
H8 0.361 0.090 1.418

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51521.42462.34872.38111.09101.09002.1730
C21.51522.38211.40261.39802.13392.13521.0879
F31.42462.38213.58482.87832.07562.07242.5963
F42.34871.40263.58482.27642.65412.52102.0478
F52.38111.39802.87832.27642.54743.30662.0341
H61.09102.13392.07562.65412.54741.78603.0534
H71.09002.13522.07242.52103.30661.78602.5571
H82.17301.08792.59632.04782.03413.05342.5571

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 107.144 C1 C2 F5 109.578
C1 C2 H8 112.144 C2 C1 F3 108.209
C2 C1 H6 108.837 C2 C1 H7 108.997
F3 C1 H6 110.496 F3 C1 H7 110.300
F4 C2 F5 108.743 F4 C2 H8 109.975
F5 C2 H8 109.188 H6 C1 H7 109.954
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (Cs)

Jump to S1C1
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-374.273608
Energy at 298.15K 
HF Energy-373.742553
Nuclear repulsion energy190.035857
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 MP2/3-21G
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' 3153 3009 57.85 85.83 0.11 0.21
2 A' 3129 2986 8.67 60.89 0.31 0.47
3 A' 1610 1536 1.92 12.62 0.74 0.85
4 A' 1531 1461 9.93 2.62 0.75 0.85
5 A' 1456 1390 26.07 8.03 0.70 0.82
6 A' 1183 1129 70.00 6.43 0.49 0.66
7 A' 1089 1040 3.61 3.23 0.74 0.85
8 A' 884 844 33.82 8.47 0.14 0.24
9 A' 741 707 41.23 3.59 0.52 0.69
10 A' 482 460 16.45 2.20 0.75 0.86
11 A' 218 208 2.21 0.15 0.53 0.69
12 A" 3182 3037 21.38 49.45 0.75 0.86
13 A" 1499 1431 34.15 2.83 0.75 0.86
14 A" 1339 1278 6.47 23.78 0.75 0.86
15 A" 1191 1137 47.52 0.82 0.75 0.86
16 A" 1022 976 48.00 5.26 0.75 0.86
17 A" 347 331 0.00 0.23 0.75 0.86
18 A" 118 113 2.47 0.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12086.9 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 11536.9 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 MP2/3-21G
ABC
0.23125 0.13802 0.11175

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.769 -0.819 0.000
C2 0.367 0.641 0.000
F3 -0.399 -1.632 0.000
F4 -0.399 0.918 1.138
F5 -0.399 0.918 -1.138
H6 1.363 -1.022 -0.893
H7 1.363 -1.022 0.893
H8 1.247 1.284 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 H6 H7 H8
C11.51451.42372.38232.38231.09141.09142.1565
C21.51452.39891.39931.39932.13462.13461.0903
F31.42372.39892.79212.79212.06762.06763.3489
F42.38231.39932.79212.27583.31552.63212.0349
F52.38231.39932.79212.27582.63213.31552.0349
H61.09142.13462.06763.31552.63211.78592.4756
H71.09142.13462.06762.63213.31551.78592.4756
H82.15651.09033.34892.03492.03492.47562.4756

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 109.626 C1 C2 F5 109.626
C1 C2 H8 110.713 C2 C1 F3 109.425
C2 C1 H6 108.913 C2 C1 H7 108.913
F3 C1 H6 109.884 F3 C1 H7 109.884
F4 C2 F5 108.820 F4 C2 H8 109.012
F5 C2 H8 109.012 H6 C1 H7 109.799
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability