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All results from a given calculation for C2H5F (fluoroethane)

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G
 hartrees
Energy at 0K-177.904650
Energy at 298.15K-177.910234
HF Energy-177.904650
Nuclear repulsion energy78.505813
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 HSEh1PBE/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' 3165 3049 17.20      
2 A' 3085 2972 6.82      
3 A' 3063 2950 41.12      
4 A' 1590 1532 0.99      
5 A' 1565 1508 5.12      
6 A' 1466 1412 16.71      
7 A' 1456 1403 19.99      
8 A' 1162 1119 27.81      
9 A' 1084 1044 36.76      
10 A' 916 882 4.60      
11 A' 377 363 6.01      
12 A" 3169 3053 25.27      
13 A" 3100 2986 35.54      
14 A" 1548 1491 7.66      
15 A" 1339 1290 1.24      
16 A" 1206 1162 4.49      
17 A" 853 821 2.50      
18 A" 264 254 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 15203.0 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 14645.1 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 HSEh1PBE/3-21G
ABC
1.18254 0.30864 0.26966

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.568 0.000
C2 1.134 -0.441 0.000
F3 -1.240 -0.121 0.000
H4 0.055 1.207 0.889
H5 0.055 1.207 -0.889
H6 2.101 0.072 0.000
H7 1.071 -1.078 0.888
H8 1.071 -1.078 -0.888

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6 H7 H8
C11.51801.41831.09651.09652.15842.15472.1547
C21.51802.39512.16142.16141.09451.09401.0940
F31.41832.39512.05732.05733.34592.65352.6535
H41.09652.16142.05731.77782.50252.50073.0674
H51.09652.16142.05731.77782.50253.06742.5007
H62.15841.09453.34592.50252.50251.78041.7804
H72.15471.09402.65352.50073.06741.78041.7751
H82.15471.09402.65353.06742.50071.78041.7751

picture of fluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 110.364 C1 C2 H7 110.103
C1 C2 H8 110.103 C2 C1 F3 109.260
C2 C1 H4 110.488 C2 C1 H5 110.488
F3 C1 H4 109.123 F3 C1 H5 109.123
H4 C1 H5 108.328 H6 C2 H7 108.887
H6 C2 H8 108.887 H7 C2 H8 108.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.107      
2 C -0.679      
3 F -0.310      
4 H 0.207      
5 H 0.207      
6 H 0.214      
7 H 0.234      
8 H 0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.729 0.751 0.000 1.885
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.448 -0.217 0.000
y -0.217 -17.757 0.000
z 0.000 0.000 -17.962
Traceless
 xyz
x -2.588 -0.217 0.000
y -0.217 1.448 0.000
z 0.000 0.000 1.140
Polar
3z2-r22.280
x2-y2-2.691
xy-0.217
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.236 -0.014 0.000
y -0.014 3.175 0.000
z 0.000 0.000 3.056


<r2> (average value of r2) Å2
<r2> 51.587
(<r2>)1/2 7.182