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 CF3PH2 (phosphine, (trifluoromethyl)-)

using model chemistry: CID/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 CID/3-21G*
 hartrees
Energy at 0K-675.105201
Energy at 298.15K-675.109404
HF Energy-674.612638
Nuclear repulsion energy250.660728
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 CID/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' 2584 2404 27.01      
2 A' 1305 1214 158.60      
3 A' 1254 1167 243.74      
4 A' 1191 1108 24.44      
5 A' 912 849 44.20      
6 A' 744 692 5.72      
7 A' 516 481 7.63      
8 A' 439 408 25.27      
9 A' 287 267 0.62      
10 A" 2583 2403 44.56      
11 A" 1303 1213 140.60      
12 A" 934 869 43.65      
13 A" 515 479 8.87      
14 A" 272 253 2.81      
15 A" 197 184 3.48      

Unscaled Zero Point Vibrational Energy (zpe) 7517.7 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 6995.2 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 CID/3-21G*
ABC
0.17472 0.10245 0.10181

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.362 -0.007 0.000
P2 -1.478 -0.101 0.000
F3 0.862 1.267 0.000
F4 0.862 -0.640 1.107
F5 0.862 -0.640 -1.107
H6 -1.636 0.832 -1.037
H7 -1.636 0.832 1.037

Atom - Atom Distances (Å)
  C1 P2 F3 F4 F5 H6 H7
C11.84281.36831.37011.37012.40292.4029
P21.84282.71052.64422.64421.40421.4042
F31.36832.71052.20562.20562.73962.7396
F41.37012.64422.20562.21483.60662.9004
F51.37012.64422.20562.21482.90043.6066
H62.40291.40422.73963.60662.90042.0748
H72.40291.40422.73962.90043.60662.0748

picture of phosphine, (trifluoromethyl)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H6 94.502 C1 P2 H7 94.502
P2 C1 F3 114.340 P2 C1 F4 109.902
P2 C1 F5 109.902 F3 C1 F4 107.302
F3 C1 F5 107.302 F4 C1 F5 107.857
H6 P2 H7 95.259
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability