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All results from a given calculation for CH2FCH2CH2F (1,3-difluoropropane)

using model chemistry: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-313.203898
Energy at 298.15K 
HF Energy-313.203898
Nuclear repulsion energy183.961642
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 B1B95/STO-3G
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 3384 2988 2.16 29.99 0.03 0.05
2 A 3365 2971 8.56 38.61 0.71 0.83
3 A 3268 2886 0.51 60.97 0.02 0.04
4 A 1667 1472 0.36 16.84 0.75 0.86
5 A 1642 1450 2.68 15.15 0.75 0.86
6 A 1548 1367 9.28 6.27 0.66 0.80
7 A 1392 1229 0.36 27.48 0.74 0.85
8 A 1311 1158 0.50 8.65 0.73 0.84
9 A 1222 1079 11.46 1.42 0.74 0.85
10 A 1105 976 1.71 5.21 0.59 0.75
11 A 916 809 1.40 9.20 0.20 0.33
12 A 528 466 0.20 0.93 0.73 0.84
13 A 224 198 1.57 0.25 0.37 0.54
14 A 75 66 1.15 0.09 0.74 0.85
15 B 3497 3088 0.39 28.15 0.75 0.86
16 B 3365 2971 8.27 36.15 0.75 0.86
17 B 3267 2885 25.04 19.38 0.75 0.86
18 B 1666 1471 1.22 2.07 0.75 0.86
19 B 1511 1334 18.27 3.24 0.75 0.86
20 B 1494 1319 5.79 0.45 0.75 0.86
21 B 1318 1164 5.82 0.43 0.75 0.86
22 B 1245 1099 25.46 1.60 0.75 0.86
23 B 1170 1033 6.70 4.68 0.75 0.86
24 B 1035 914 0.28 3.21 0.75 0.86
25 B 840 741 1.11 1.28 0.75 0.86
26 B 406 358 1.76 0.37 0.75 0.86
27 B 118 104 2.28 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21287.8 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 18797.1 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 B1B95/STO-3G
ABC
0.29836 0.09242 0.08629

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.004
C2 0.000 1.291 0.129
C3 0.000 -1.291 0.129
F4 1.170 1.398 -0.633
F5 -1.170 -1.398 -0.633
H6 0.890 -0.010 1.650
H7 -0.890 0.010 1.650
H8 -0.892 1.267 -0.538
H9 -0.108 2.178 0.795
H10 0.892 -1.267 -0.538
H11 0.108 -2.178 0.795

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.55951.55952.45032.45031.09981.09982.18572.19072.18572.1907
C21.55952.58251.40093.03072.19022.17821.11441.11432.79003.5343
C31.55952.58253.03071.40092.17822.19022.79003.53431.11441.1143
F42.45031.40093.03073.64712.69663.37392.06912.06922.68113.9950
F52.45033.03071.40093.64713.37392.69662.68113.99502.06912.0692
H61.09982.19022.17822.69663.37391.78063.09712.55232.52262.4580
H71.09982.17822.19023.37392.69661.78062.52262.45803.09712.5523
H82.18571.11442.79002.06912.68113.09712.52261.79553.09863.8267
H92.19071.11433.53432.06923.99502.55232.45801.79553.82674.3615
H102.18572.79001.11442.68112.06912.52263.09713.09863.82671.7955
H112.19073.53431.11433.99502.06922.45802.55233.82674.36151.7955

picture of 1,3-difluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 111.617 C1 C2 H8 108.507
C1 C2 H9 108.896 C1 C3 F5 111.617
C1 C3 H10 108.507 C1 C3 H11 108.896
C2 C1 C3 111.788 C2 C1 H6 109.686
C2 C1 H7 108.757 C3 C1 H6 108.757
C3 C1 H7 109.686 F4 C2 H8 110.171
F4 C2 H9 110.190 F5 C3 H10 110.171
F5 C3 H11 110.190 H6 C1 H7 108.094
H8 C2 H9 107.342 H10 C3 H11 107.342
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.159      
2 C -0.035      
3 C -0.035      
4 F -0.114      
5 F -0.114      
6 H 0.082      
7 H 0.082      
8 H 0.075      
9 H 0.071      
10 H 0.075      
11 H 0.071      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.142 1.142
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.048 -2.347 0.000
y -2.347 -26.889 0.000
z 0.000 0.000 -26.619
Traceless
 xyz
x -1.294 -2.347 0.000
y -2.347 0.444 0.000
z 0.000 0.000 0.850
Polar
3z2-r21.699
x2-y2-1.159
xy-2.347
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.757 0.060 0.000
y 0.060 2.745 0.000
z 0.000 0.000 2.584


<r2> (average value of r2) Å2
<r2> 133.485
(<r2>)1/2 11.554