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All results from a given calculation for CF3COOH (trifluoroacetic acid)

using model chemistry: MP2/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/LANL2DZ
 hartrees
Energy at 0K-525.030250
Energy at 298.15K-525.033099
HF Energy-524.261795
Nuclear repulsion energy323.561041
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/LANL2DZ
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' 3624 3491 100.65      
2 A' 1652 1591 194.31      
3 A' 1368 1318 28.80      
4 A' 1181 1138 73.50      
5 A' 1086 1046 238.05      
6 A' 1031 993 334.12      
7 A' 709 683 11.84      
8 A' 599 577 64.93      
9 A' 532 512 13.87      
10 A' 383 369 1.05      
11 A' 366 352 3.26      
12 A' 227 219 1.14      
13 A" 1057 1018 284.27      
14 A" 719 692 45.05      
15 A" 578 556 176.60      
16 A" 445 429 0.01      
17 A" 234 226 0.11      
18 A" 38 36 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 7913.8 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 7621.7 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/LANL2DZ
ABC
0.11680 0.07785 0.06438

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.085 0.580 0.000
C2 -0.313 -0.927 0.000
O3 0.849 -1.683 0.000
O4 -1.486 -1.353 0.000
F5 -1.056 1.402 0.000
F6 0.849 0.912 1.142
F7 0.849 0.912 -1.142
H8 0.674 -2.656 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.55912.38892.49111.40601.41331.41333.2899
C21.55911.38661.24762.44442.45672.45671.9911
O32.38891.38662.35823.62572.83452.83450.9891
O42.49111.24762.35822.78813.44753.44752.5222
F51.40602.44443.62572.78812.27492.27494.4114
F61.41332.45672.83453.44752.27492.28313.7502
F71.41332.45672.83453.44752.27492.28313.7502
H83.28991.99110.98912.52224.41143.75023.7502

picture of trifluoroacetic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.243 C1 C2 O4 124.763
C2 C1 F5 110.948 C2 C1 F6 111.385
C2 C1 F7 111.385 C2 O3 H8 112.812
O3 C2 O4 126.994 F5 C1 F6 107.596
F5 C1 F7 107.596 F6 C1 F7 107.747
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability