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

using model chemistry: CCD/6-31G**

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/6-31G**
 hartrees
Energy at 0K-277.597388
Energy at 298.15K 
HF Energy-276.949905
Nuclear repulsion energy132.237964
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/6-31G**
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' 3241 3039 16.02      
2 A' 3167 2969 50.76      
3 A' 3141 2945 4.09      
4 A' 1549 1452 4.51      
5 A' 1508 1414 72.42      
6 A' 1449 1359 5.97      
7 A' 1209 1134 61.43      
8 A' 1197 1123 53.63      
9 A' 907 851 9.03      
10 A' 576 540 7.44      
11 A' 473 443 13.69      
12 A" 3237 3035 12.53      
13 A" 1551 1454 0.02      
14 A" 1464 1372 44.46      
15 A" 1227 1150 128.00      
16 A" 1011 948 42.74      
17 A" 387 363 0.01      
18 A" 260 243 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 13777.0 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 12917.3 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 CCD/6-31G**
ABC
0.31367 0.30090 0.17233

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.325 0.167 0.000
C2 -0.907 1.027 0.000
H3 1.259 0.730 0.000
F4 0.325 -0.644 1.102
F5 0.325 -0.644 -1.102
H6 -1.784 0.383 0.000
H7 -0.922 1.656 0.888
H8 -0.922 1.656 -0.888

Atom - Atom Distances (Å)
  C1 C2 H3 F4 F5 H6 H7 H8
C11.50311.09051.36851.36852.12052.13542.1354
C21.50312.18652.35092.35091.08791.08791.0879
H31.09052.18651.99401.99403.06292.52982.5298
F41.36852.35091.99402.20492.59232.62493.2870
F51.36852.35091.99402.20492.59233.28702.6249
H62.12051.08793.06292.59232.59231.77531.7753
H72.13541.08792.52982.62493.28701.77531.7752
H82.13541.08792.52983.28702.62491.77531.7752

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 108.797 C1 C2 H7 109.976
C1 C2 H8 109.976 C2 C1 H3 113.983
C2 C1 F4 109.818 C2 C1 F5 109.818
H3 C1 F4 107.827 H3 C1 F5 107.827
F4 C1 F5 107.332 H6 C2 H7 109.359
H6 C2 H8 109.359 H7 C2 H8 109.357
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability