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All results from a given calculation for CH3CF2Cl (1-Chloro-1,1-Difluoroethane)

using model chemistry: CISD/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 CISD/3-21G*
 hartrees
Energy at 0K-732.766645
Energy at 298.15K-732.771017
HF Energy-732.260756
Nuclear repulsion energy243.208216
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 CISD/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' 3242 3030 2.30      
2 A' 3167 2959 0.83      
3 A' 1597 1492 1.76      
4 A' 1542 1441 25.60      
5 A' 1297 1212 152.84      
6 A' 1214 1135 131.21      
7 A' 943 881 122.74      
8 A' 665 622 70.75      
9 A' 529 495 21.14      
10 A' 427 399 0.91      
11 A' 318 297 0.79      
12 A" 3264 3050 1.36      
13 A" 1603 1497 3.99      
14 A" 1344 1256 130.72      
15 A" 1078 1007 29.32      
16 A" 417 389 0.78      
17 A" 334 312 0.99      
18 A" 267 249 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 11623.8 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 10861.3 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 CISD/3-21G*
ABC
0.16985 0.10534 0.10398

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.346 0.001 0.000
C2 -0.816 1.433 0.000
Cl3 1.440 -0.118 0.000
F4 -0.816 -0.661 1.112
F5 -0.816 -0.661 -1.112
H6 -1.906 1.434 0.000
H7 -0.452 1.938 0.890
H8 -0.452 1.938 -0.890

Atom - Atom Distances (Å)
  C1 C2 Cl3 F4 F5 H6 H7 H8
C11.50721.78951.37671.37672.11802.13442.1344
C21.50722.73762.37072.37071.08961.08611.0861
Cl31.78952.73762.57272.57273.68782.93232.9323
F41.37672.37072.57272.22382.60992.63363.3006
F51.37672.37072.57272.22382.60993.30062.6336
H62.11801.08963.68782.60992.60991.77751.7775
H72.13441.08612.93232.63363.30061.77751.7799
H82.13441.08612.93233.30062.63361.77751.7799

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 108.224 C1 C2 H7 109.709
C1 C2 H8 109.709 C2 C1 Cl3 111.995
C2 C1 F4 110.501 C2 C1 F5 110.501
Cl3 C1 F4 107.982 Cl3 C1 F5 107.982
F4 C1 F5 107.732 H6 C2 H7 109.562
H6 C2 H8 109.562 H7 C2 H8 110.048
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability