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

using model chemistry: BLYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/3-21G*
 hartrees
Energy at 0K-523.826889
Energy at 298.15K-523.829760
HF Energy-523.826889
Nuclear repulsion energy328.258606
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 BLYP/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' 3300 3278 13.31      
2 A' 1722 1710 147.90      
3 A' 1341 1332 6.28      
4 A' 1203 1195 123.08      
5 A' 1145 1137 153.95      
6 A' 1027 1020 249.46      
7 A' 719 714 2.41      
8 A' 607 603 55.24      
9 A' 539 535 13.90      
10 A' 390 387 0.11      
11 A' 362 359 1.66      
12 A' 217 216 1.20      
13 A" 1161 1153 221.90      
14 A" 732 727 31.44      
15 A" 605 601 116.87      
16 A" 459 456 0.33      
17 A" 216 214 0.00      
18 A" 26 25 1.05      

Unscaled Zero Point Vibrational Energy (zpe) 7883.1 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 7831.9 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 BLYP/3-21G*
ABC
0.11971 0.08068 0.06631

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.090 0.591 0.000
C2 -0.317 -0.897 0.000
O3 0.845 -1.653 0.000
O4 -1.466 -1.336 0.000
F5 -1.052 1.365 0.000
F6 0.845 0.895 1.121
F7 0.845 0.895 -1.121
H8 0.580 -2.630 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54312.36772.47721.37941.38551.38553.2582
C21.54311.38691.22962.37802.41252.41251.9516
O32.36771.38692.33283.56452.78382.78381.0123
O42.47721.22962.33282.73253.40243.40242.4208
F51.37942.37803.56452.73252.25312.25314.3152
F61.38552.41252.78383.40242.25312.24273.7085
F71.38552.41252.78383.40242.25312.24273.7085
H83.25821.95161.01232.42084.31523.70853.7085

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 107.708 C1 C2 O4 126.248
C2 C1 F5 108.789 C2 C1 F6 110.820
C2 C1 F7 110.820 C2 O3 H8 107.848
O3 C2 O4 126.044 F5 C1 F6 109.155
F5 C1 F7 109.155 F6 C1 F7 108.070
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.710      
2 C 0.487      
3 O -0.479      
4 O -0.398      
5 F -0.228      
6 F -0.227      
7 F -0.227      
8 H 0.362      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.784 -1.984 0.000 2.133
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.229 -2.496 0.000
y -2.496 -29.940 0.000
z 0.000 0.000 -36.033
Traceless
 xyz
x -8.242 -2.496 0.000
y -2.496 8.691 0.000
z 0.000 0.000 -0.448
Polar
3z2-r2-0.897
x2-y2-11.289
xy-2.496
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.263 -0.112 0.000
y -0.112 4.150 0.000
z 0.000 0.000 2.409


<r2> (average value of r2) Å2
<r2> 172.826
(<r2>)1/2 13.146