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All results from a given calculation for CH2CHF (Ethene, fluoro-)

using model chemistry: ROHF/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at ROHF/6-31+G**
 hartrees
Energy at 0K-176.891364
Energy at 298.15K 
HF Energy-176.891364
Nuclear repulsion energy68.110192
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 ROHF/6-31+G**
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' 3456 2958 7.44      
2 A' 3434 2939 4.15      
3 A' 3360 2876 0.32      
4 A' 1868 1599 127.86      
5 A' 1550 1327 9.13      
6 A' 1450 1241 1.48      
7 A' 1272 1089 127.08      
8 A' 1024 877 59.41      
9 A' 523 447 5.12      
10 A" 1079 924 27.12      
11 A" 1035 886 90.41      
12 A" 792 678 2.84      

Unscaled Zero Point Vibrational Energy (zpe) 10422.1 cm-1
Scaled (by 0.8559) Zero Point Vibrational Energy (zpe) 8920.2 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 ROHF/6-31+G**
ABC
2.22288 0.36019 0.30997

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.431 0.000
C2 1.176 -0.149 0.000
F3 -1.134 -0.268 0.000
H4 -0.186 1.486 0.000
H5 1.276 -1.218 0.000
H6 2.062 0.456 0.000

Atom - Atom Distances (Å)
  C1 C2 F3 H4 H5 H6
C11.31111.33251.07162.08492.0624
C21.31112.31362.12781.07371.0729
F31.33252.31361.99472.59103.2777
H41.07162.12781.99473.07392.4726
H52.08491.07372.59103.07391.8492
H62.06241.07293.27772.47261.8492

picture of Ethene, fluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.591 C1 C2 H6 119.451
C2 C1 F3 122.122 C2 C1 H4 126.206
F3 C1 H4 111.672 H5 C2 H6 118.958
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.223      
2 C -0.517      
3 F -0.371      
4 H 0.220      
5 H 0.228      
6 H 0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.377 0.979 0.000 1.689
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.869 -0.998 0.002
y -0.998 -15.464 0.001
z 0.002 0.001 -19.444
Traceless
 xyz
x -0.415 -0.998 0.002
y -0.998 3.193 0.001
z 0.002 0.001 -2.778
Polar
3z2-r2-5.556
x2-y2-2.405
xy-0.998
xz0.002
yz0.001


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


<r2> (average value of r2) Å2
<r2> 42.580
(<r2>)1/2 6.525