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 CH3CF2Cl (1-Chloro-1,1-Difluoroethane)

using model chemistry: MP2=FULL/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-737.109396
Energy at 298.15K-737.113833
HF Energy-735.990946
Nuclear repulsion energy246.975639
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3213 3051 2.28      
2 A' 3126 2968 0.99      
3 A' 1508 1432 0.29      
4 A' 1434 1362 49.65      
5 A' 1271 1206 105.79      
6 A' 1156 1097 193.58      
7 A' 932 884 95.86      
8 A' 699 663 48.96      
9 A' 555 527 13.07      
10 A' 446 423 0.81      
11 A' 311 295 1.11      
12 A" 3228 3064 0.82      
13 A" 1507 1431 2.67      
14 A" 1233 1171 164.76      
15 A" 994 944 43.80      
16 A" 439 416 0.01      
17 A" 341 324 0.42      
18 A" 273 259 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 11331.2 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 10757.8 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/cc-pVTZ
ABC
0.17655 0.10873 0.10622

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.346 -0.000 0.000
C2 -0.807 1.418 0.000
Cl3 1.424 -0.119 0.000
F4 -0.807 -0.653 1.080
F5 -0.807 -0.653 -1.080
H6 -1.891 1.421 0.000
H7 -0.437 1.917 0.885
H8 -0.437 1.917 -0.885

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 F5 H6 H7 H8
C11.49211.77391.34361.34362.09942.11402.1140
C21.49212.70962.33582.33581.08361.08141.0814
Cl31.77392.70962.53612.53613.65512.89662.8966
F41.34362.33582.53612.16042.57692.60393.2563
F51.34362.33582.53612.16042.57693.25632.6039
H62.09941.08363.65512.57692.57691.77331.7733
H72.11401.08142.89662.60393.25631.77331.7697
H82.11401.08142.89663.25632.60391.77331.7697

picture of 1-Chloro-1,1-Difluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 108.149 C1 C2 H7 109.432
C1 C2 H8 109.432 C2 C1 Cl3 111.837
C2 C1 F4 110.813 C2 C1 F5 110.813
Cl3 C1 F4 108.090 Cl3 C1 F5 108.090
F4 C1 F5 107.017 H6 C2 H7 109.986
H6 C2 H8 109.986 H7 C2 H8 109.828
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability