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All results from a given calculation for CF3CHO (trifluoroacetaldehyde)

using model chemistry: MP2=FULL/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 MP2=FULL/3-21G
 hartrees
Energy at 0K-447.689451
Energy at 298.15K-447.691740
HF Energy-447.016612
Nuclear repulsion energy247.316015
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=FULL/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' 3081 2942 45.08      
2 A' 1633 1559 13.15      
3 A' 1462 1396 33.20      
4 A' 1312 1253 121.80      
5 A' 1243 1187 160.22      
6 A' 828 791 31.83      
7 A' 684 653 28.30      
8 A' 503 481 20.57      
9 A' 422 403 5.86      
10 A' 237 226 6.53      
11 A" 1266 1209 230.87      
12 A" 1025 979 4.08      
13 A" 513 490 4.55      
14 A" 284 271 0.18      
15 A" 63 60 11.30      

Unscaled Zero Point Vibrational Energy (zpe) 7278.2 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 6949.3 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=FULL/3-21G
ABC
0.17397 0.09604 0.09442

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.023 0.360 0.000
C2 0.514 -1.086 0.000
O3 -0.250 -2.068 0.000
F4 -1.341 0.429 0.000
F5 0.514 1.011 1.112
F6 0.514 1.011 -1.112
H7 1.607 -1.147 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 F4 F5 F6 H7
C11.52742.44341.36601.37811.37812.1860
C21.52741.24372.39492.37342.37341.0948
O32.44341.24372.72463.36103.36102.0727
F41.36602.39492.72462.23912.23913.3424
F51.37812.37343.36102.23912.22322.6619
F61.37812.37343.36102.23912.22322.6619
H72.18601.09482.07273.34242.66192.6619

picture of trifluoroacetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 123.384 C1 C2 H7 111.896
C2 C1 F4 111.607 C2 C1 F5 109.440
C2 C1 F6 109.440 O3 C2 H7 124.720
F4 C1 F5 109.366 F4 C1 F6 109.366
F5 C1 F6 107.532
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability