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

using model chemistry: CCSD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/TZVP
 hartrees
Energy at 0K-525.846732
Energy at 298.15K-525.850040
HF Energy-524.573346
Nuclear repulsion energy337.441158
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 CCSD/TZVP
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' 3821 3647 93.02      
2 A' 1909 1822 269.42      
3 A' 1462 1395 52.25      
4 A' 1319 1259 122.21      
5 A' 1263 1206 240.57      
6 A' 1176 1122 336.43      
7 A' 820 783 2.48      
8 A' 689 658 76.37      
9 A' 607 579 9.77      
10 A' 439 419 0.15      
11 A' 399 381 2.19      
12 A' 244 233 0.98      
13 A" 1251 1194 309.11      
14 A" 794 758 31.68      
15 A" 583 557 108.23      
16 A" 516 492 13.67      
17 A" 251 240 0.19      
18 A" 29 27 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 8785.5 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 8384.9 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 CCSD/TZVP
ABC
0.12915 0.08338 0.06916

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.088 0.593 0.000
C2 -0.295 -0.905 0.000
O3 0.811 -1.655 0.000
O4 -1.422 -1.298 0.000
F5 -0.999 1.347 0.000
F6 0.811 0.886 1.082
F7 0.811 0.886 -1.082
H8 0.532 -2.581 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54552.36062.42011.32331.33371.33373.2045
C21.54551.33601.19392.35952.36632.36631.8690
O32.36061.33602.26103.50532.76142.76140.9674
O42.42011.19392.26102.67953.30573.30572.3371
F51.32332.35953.50532.67952.15832.15834.2160
F61.33372.36632.76143.30572.15832.16383.6425
F71.33372.36632.76143.30572.15832.16383.6425
H83.20451.86900.96742.33714.21603.64253.6425

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 109.801 C1 C2 O4 123.608
C2 C1 F5 110.427 C2 C1 F6 110.325
C2 C1 F7 110.325 C2 O3 H8 107.386
O3 C2 O4 126.591 F5 C1 F6 108.640
F5 C1 F7 108.640 F6 C1 F7 108.425
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability