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All results from a given calculation for CH3CHF2 (Ethane, 1,1-difluoro-)

using model chemistry: CCD/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/daug-cc-pVDZ
 hartrees
Energy at 0K-277.710797
Energy at 298.15K 
HF Energy-276.983227
Nuclear repulsion energy131.360750
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 CCD/daug-cc-pVDZ
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' 3166 3166 18.48      
2 A' 3126 3126 24.79      
3 A' 3066 3066 3.25      
4 A' 1481 1481 7.62      
5 A' 1449 1449 64.35      
6 A' 1389 1389 1.20      
7 A' 1169 1169 94.31      
8 A' 1162 1162 23.87      
9 A' 877 877 10.24      
10 A' 564 564 6.07      
11 A' 464 464 13.63      
12 A" 3161 3161 10.47      
13 A" 1481 1481 0.18      
14 A" 1392 1392 20.66      
15 A" 1161 1161 155.09      
16 A" 961 961 58.91      
17 A" 381 381 0.13      
18 A" 235 235 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 13342.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13342.7 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 CCD/daug-cc-pVDZ
ABC
0.31202 0.29490 0.17014

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.324 0.168 0.000
C2 -0.906 1.045 0.000
H3 1.277 0.720 0.000
F4 0.324 -0.654 1.104
F5 0.324 -0.654 -1.104
H6 -1.807 0.413 0.000
H7 -0.904 1.683 0.897
H8 -0.904 1.683 -0.897

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.51131.10081.37681.37682.14482.14652.1465
C21.51132.20712.37112.37111.10041.10071.1007
H31.10082.20712.00372.00373.09862.54692.5469
F41.37682.37112.00372.20892.62642.64793.3130
F51.37682.37112.00372.20892.62643.31302.6479
H62.14481.10043.09862.62642.62641.79821.7982
H72.14651.10072.54692.64793.31301.79821.7948
H82.14651.10072.54693.31302.64791.79821.7948

picture of Ethane, 1,1-difluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 109.411 C1 C2 H7 109.529
C1 C2 H8 109.529 C2 C1 H3 114.419
C2 C1 F4 110.282 C2 C1 F5 110.282
H3 C1 F4 107.419 H3 C1 F5 107.419
F4 C1 F5 106.679 H6 C2 H7 109.561
H6 C2 H8 109.561 H7 C2 H8 109.236
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability