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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-315.762032
Energy at 298.15K 
HF Energy-315.762032
Nuclear repulsion energy189.768854
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 B1B95/3-21G
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 3168 3031 24.61 44.62 0.73 0.85
2 A 3117 2982 4.64 160.85 0.03 0.06
3 A 3104 2970 0.14 79.79 0.22 0.36
4 A 1564 1497 1.94 20.78 0.74 0.85
5 A 1521 1455 9.68 11.54 0.75 0.86
6 A 1467 1404 5.10 4.58 0.75 0.86
7 A 1349 1290 0.37 27.49 0.71 0.83
8 A 1271 1216 0.03 14.63 0.74 0.85
9 A 1133 1084 10.06 2.47 0.74 0.85
10 A 1028 984 30.96 5.52 0.65 0.79
11 A 902 863 0.87 11.13 0.15 0.26
12 A 550 526 3.01 0.90 0.72 0.84
13 A 260 248 4.79 0.31 0.48 0.65
14 A 93 89 3.15 0.03 0.55 0.71
15 B 3178 3041 24.67 10.71 0.75 0.86
16 B 3157 3020 10.81 91.18 0.75 0.86
17 B 3104 2969 64.24 37.69 0.75 0.86
18 B 1579 1511 7.45 0.07 0.75 0.86
19 B 1440 1378 10.15 1.23 0.75 0.86
20 B 1421 1359 4.17 2.96 0.75 0.86
21 B 1262 1208 7.84 2.81 0.75 0.86
22 B 1140 1091 20.20 0.10 0.75 0.86
23 B 1099 1051 37.22 4.92 0.75 0.86
24 B 997 954 17.82 4.90 0.75 0.86
25 B 795 761 2.64 0.61 0.75 0.86
26 B 387 370 7.75 0.34 0.75 0.86
27 B 215 206 16.98 0.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20150.2 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 19277.7 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 B1B95/3-21G
ABC
0.27988 0.10966 0.10039

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.045
C2 0.000 1.226 0.152
C3 0.000 -1.226 0.152
F4 1.165 1.155 -0.662
F5 -1.165 -1.155 -0.662
H6 0.890 -0.005 1.678
H7 -0.890 0.005 1.678
H8 -0.881 1.184 -0.489
H9 0.013 2.154 0.726
H10 0.881 -1.184 -0.489
H11 -0.013 -2.154 0.726

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51731.51732.36802.36801.09171.09172.12892.17792.12892.1779
C21.51732.45281.42282.77362.15312.14761.09021.09122.64543.4291
C31.51732.45282.77361.42282.14762.15312.64543.42911.09021.0912
F42.36801.42282.77363.28132.62623.31982.05342.06192.36333.7773
F52.36802.77361.42283.28133.31982.62622.36333.77732.05342.0619
H61.09172.15312.14762.62623.31981.77983.04032.51742.46672.5182
H71.09172.14762.15313.31982.62621.77982.46672.51823.04032.5174
H82.12891.09022.64542.05342.36333.04032.46671.79302.95223.6573
H92.17791.09123.42912.06193.77732.51742.51821.79303.65734.3087
H102.12892.64541.09022.36332.05342.46673.04032.95223.65731.7930
H112.17793.42911.09123.77732.06192.51822.51743.65734.30871.7930

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 107.255 C1 C2 H8 108.349
C1 C2 H9 112.187 C1 C3 F5 107.255
C1 C3 H10 108.349 C1 C3 H11 112.187
C2 C1 C3 107.852 C2 C1 H6 110.158
C2 C1 H7 109.728 C3 C1 H6 109.728
C3 C1 H7 110.158 F4 C2 H8 108.872
F4 C2 H9 109.500 F5 C3 H10 108.872
F5 C3 H11 109.500 H6 C1 H7 109.205
H8 C2 H9 110.570 H10 C3 H11 110.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.541      
2 C -0.089      
3 C -0.089      
4 F -0.311      
5 F -0.311      
6 H 0.233      
7 H 0.233      
8 H 0.228      
9 H 0.210      
10 H 0.228      
11 H 0.210      


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 2.182 2.182
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.577 -3.684 0.000
y -3.684 -27.616 0.000
z 0.000 0.000 -29.226
Traceless
 xyz
x -3.156 -3.684 0.000
y -3.684 2.785 0.000
z 0.000 0.000 0.370
Polar
3z2-r20.741
x2-y2-3.961
xy-3.684
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.366 -0.029 0.000
y -0.029 4.796 0.000
z 0.000 0.000 4.326


<r2> (average value of r2) Å2
<r2> 122.021
(<r2>)1/2 11.046