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

using model chemistry: B3PW91/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 B3PW91/STO-3G
 hartrees
Energy at 0K-313.196183
Energy at 298.15K 
HF Energy-313.196183
Nuclear repulsion energy183.157684
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 B3PW91/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 3363 2976 2.35 31.60 0.04 0.08
2 A 3339 2955 10.70 36.72 0.73 0.84
3 A 3243 2870 0.61 61.89 0.02 0.04
4 A 1663 1472 0.36 16.46 0.75 0.86
5 A 1640 1452 2.55 15.29 0.75 0.86
6 A 1541 1364 9.52 6.36 0.67 0.80
7 A 1388 1228 0.34 27.02 0.74 0.85
8 A 1307 1156 0.56 8.70 0.73 0.84
9 A 1212 1073 11.42 1.21 0.74 0.85
10 A 1100 973 2.11 5.11 0.60 0.75
11 A 906 802 1.53 9.12 0.20 0.33
12 A 526 466 0.17 0.96 0.73 0.84
13 A 225 199 1.44 0.27 0.37 0.54
14 A 75 66 1.10 0.09 0.74 0.85
15 B 3475 3076 0.70 28.23 0.75 0.86
16 B 3339 2955 9.71 36.71 0.75 0.86
17 B 3242 2870 29.12 19.37 0.75 0.86
18 B 1662 1471 1.20 2.00 0.75 0.86
19 B 1503 1330 20.75 3.28 0.75 0.86
20 B 1490 1318 4.10 0.58 0.75 0.86
21 B 1314 1163 5.30 0.46 0.75 0.86
22 B 1233 1091 26.54 1.26 0.75 0.86
23 B 1161 1027 7.22 4.64 0.75 0.86
24 B 1031 912 0.31 3.14 0.75 0.86
25 B 837 741 1.14 1.37 0.75 0.86
26 B 405 359 1.64 0.39 0.75 0.86
27 B 120 107 2.09 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21170.4 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 18735.8 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 B3PW91/STO-3G
ABC
0.29746 0.09117 0.08520

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/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 1.299 0.129
C3 0.000 -1.299 0.129
F4 1.175 1.413 -0.634
F5 -1.175 -1.413 -0.634
H6 0.892 -0.010 1.652
H7 -0.892 0.010 1.652
H8 -0.894 1.276 -0.540
H9 -0.110 2.185 0.802
H10 0.894 -1.276 -0.540
H11 0.110 -2.185 0.802

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.56601.56602.46132.46131.10251.10252.19402.19672.19402.1967
C21.56602.59781.40533.05212.19712.18511.11731.11732.80703.5495
C31.56602.59783.05211.40532.18512.19712.80703.54951.11731.1173
F42.46131.40533.05213.67482.70693.38552.07542.07512.70534.0167
F52.46133.05211.40533.67483.38552.70692.70534.01672.07542.0751
H61.10252.19712.18512.70693.38551.78463.10662.55842.53142.4621
H71.10252.18512.19713.38552.70691.78462.53142.46213.10662.5584
H82.19401.11732.80702.07542.70533.10662.53141.79993.11663.8454
H92.19671.11733.54952.07514.01672.55842.46211.79993.84544.3748
H102.19402.80701.11732.70532.07542.53143.10663.11663.84541.7999
H112.19673.54951.11734.01672.07512.46212.55843.84544.37481.7999

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 111.747 C1 C2 H8 108.540
C1 C2 H9 108.750 C1 C3 F5 111.747
C1 C3 H10 108.540 C1 C3 H11 108.750
C2 C1 C3 112.082 C2 C1 H6 109.619
C2 C1 H7 108.689 C3 C1 H6 108.689
C3 C1 H7 109.619 F4 C2 H8 110.192
F4 C2 H9 110.175 F5 C3 H10 110.192
F5 C3 H11 110.175 H6 C1 H7 108.060
H8 C2 H9 107.312 H10 C3 H11 107.312
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.160      
2 C -0.040      
3 C -0.040      
4 F -0.107      
5 F -0.107      
6 H 0.082      
7 H 0.082      
8 H 0.074      
9 H 0.071      
10 H 0.074      
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 1.107 1.107
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.974 -2.299 0.000
y -2.299 -26.889 0.000
z 0.000 0.000 -26.586
Traceless
 xyz
x -1.237 -2.299 0.000
y -2.299 0.391 0.000
z 0.000 0.000 0.845
Polar
3z2-r21.691
x2-y2-1.085
xy-2.299
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.775 0.069 0.000
y 0.069 2.769 0.000
z 0.000 0.000 2.599


<r2> (average value of r2) Å2
<r2> 134.789
(<r2>)1/2 11.610