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

using model chemistry: CCSD=FULL/aug-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 CCSD=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-277.722643
Energy at 298.15K 
HF Energy-276.981429
Nuclear repulsion energy131.267946
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 CCSD=FULL/aug-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' 3168 3168 18.29      
2 A' 3130 3130 24.47      
3 A' 3069 3069 3.46      
4 A' 1479 1479 6.72      
5 A' 1447 1447 63.64      
6 A' 1385 1385 2.19      
7 A' 1165 1165 57.12      
8 A' 1158 1158 58.02      
9 A' 875 875 11.31      
10 A' 559 559 6.33      
11 A' 461 461 13.67      
12 A" 3161 3161 10.72      
13 A" 1480 1480 0.32      
14 A" 1385 1385 19.69      
15 A" 1151 1151 146.88      
16 A" 956 956 66.78      
17 A" 379 379 0.12      
18 A" 236 236 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 13321.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 13321.9 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 CCSD=FULL/aug-cc-pVDZ
ABC
0.31135 0.29484 0.17003

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.325 0.171 0.000
C2 -0.908 1.044 0.000
H3 1.278 0.721 0.000
F4 0.325 -0.654 1.105
F5 0.325 -0.654 -1.105
H6 -1.804 0.405 0.000
H7 -0.908 1.680 0.898
H8 -0.908 1.680 -0.898

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50981.10061.37981.37982.14142.14492.1449
C21.50982.20962.37142.37141.10031.10061.1006
H31.10062.20962.00572.00573.09832.55012.5501
F41.37982.37142.00572.21092.62222.64783.3137
F51.37982.37142.00572.21092.62223.31372.6478
H62.14141.10033.09832.62222.62221.79851.7985
H72.14491.10062.55012.64783.31371.79851.7958
H82.14491.10062.55013.31372.64781.79851.7958

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 109.256 C1 C2 H7 109.508
C1 C2 H8 109.508 C2 C1 H3 114.750
C2 C1 F4 110.226 C2 C1 F5 110.226
H3 C1 F4 107.390 H3 C1 F5 107.390
F4 C1 F5 106.483 H6 C2 H7 109.609
H6 C2 H8 109.609 H7 C2 H8 109.338
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability