return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B2PLYP=FULL/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/cc-pVDZ
 hartrees
Energy at 0K-526.423165
Energy at 298.15K-526.426396
HF Energy-526.033900
Nuclear repulsion energy336.168249
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 B2PLYP=FULL/cc-pVDZ
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' 3734 3579 91.87      
2 A' 1871 1793 244.88      
3 A' 1450 1389 40.86      
4 A' 1289 1235 108.84      
5 A' 1235 1184 262.34      
6 A' 1158 1110 313.33      
7 A' 799 765 4.33      
8 A' 667 640 73.48      
9 A' 589 565 8.56      
10 A' 426 408 0.10      
11 A' 392 376 1.91      
12 A' 236 226 1.29      
13 A" 1216 1166 305.02      
14 A" 793 760 40.08      
15 A" 614 589 95.51      
16 A" 507 486 1.01      
17 A" 241 231 0.08      
18 A" 26 25 1.36      

Unscaled Zero Point Vibrational Energy (zpe) 8620.7 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 8262.9 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 B2PLYP=FULL/cc-pVDZ
ABC
0.12771 0.08311 0.06881

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 0.590 0.000
C2 -0.294 -0.901 0.000
O3 0.816 -1.653 0.000
O4 -1.428 -1.304 0.000
F5 -1.008 1.347 0.000
F6 0.816 0.888 1.087
F7 0.816 0.888 -1.087
H8 0.519 -2.581 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.53922.35852.42521.33171.34261.34263.2003
C21.53921.34041.20362.35952.36962.36961.8660
O32.35851.34042.27123.51152.76372.76370.9743
O42.42521.20362.27122.68393.31983.31982.3289
F51.33172.35953.51152.68392.17312.17314.2149
F61.34262.36962.76373.31982.17312.17483.6473
F71.34262.36962.76373.31982.17312.17483.6473
H83.20031.86600.97432.32894.21493.64733.6473

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 109.788 C1 C2 O4 123.848
C2 C1 F5 110.334 C2 C1 F6 110.439
C2 C1 F7 110.439 C2 O3 H8 106.370
O3 C2 O4 126.365 F5 C1 F6 108.696
F5 C1 F7 108.696 F6 C1 F7 108.176
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability