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

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-317.482751
Energy at 298.15K 
HF Energy-317.482751
Nuclear repulsion energy189.462299
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 B1B95/6-31G*
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 3149 2989 38.57 50.26 0.73 0.84
2 A 3097 2940 6.48 227.62 0.00 0.01
3 A 3087 2930 2.65 39.56 0.73 0.84
4 A 1543 1465 1.11 16.59 0.72 0.84
5 A 1491 1415 8.82 10.52 0.75 0.86
6 A 1462 1387 13.49 3.02 0.69 0.82
7 A 1327 1260 0.17 26.98 0.71 0.83
8 A 1262 1198 0.44 9.69 0.70 0.82
9 A 1145 1087 31.19 1.38 0.74 0.85
10 A 1041 988 31.96 5.12 0.70 0.83
11 A 900 854 0.01 9.65 0.16 0.28
12 A 544 517 3.55 0.64 0.73 0.84
13 A 235 223 3.49 0.18 0.21 0.35
14 A 89 85 2.79 0.01 0.36 0.53
15 B 3154 2994 42.21 15.20 0.75 0.86
16 B 3136 2977 14.86 102.48 0.75 0.86
17 B 3091 2934 72.53 42.82 0.75 0.86
18 B 1547 1469 4.04 0.07 0.75 0.86
19 B 1435 1362 14.31 2.60 0.75 0.86
20 B 1410 1338 5.03 1.05 0.75 0.86
21 B 1275 1210 7.14 0.99 0.75 0.86
22 B 1146 1088 45.26 0.54 0.75 0.86
23 B 1127 1070 66.11 4.44 0.75 0.86
24 B 988 938 15.87 3.97 0.75 0.86
25 B 786 746 1.14 0.66 0.75 0.86
26 B 415 394 6.39 0.27 0.75 0.86
27 B 180 171 10.91 0.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20028.8 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 19013.4 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 B1B95/6-31G*
ABC
0.30057 0.10284 0.09533

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.993
C2 0.000 1.250 0.144
C3 0.000 -1.250 0.144
F4 1.144 1.268 -0.636
F5 -1.144 -1.268 -0.636
H6 0.883 -0.004 1.640
H7 -0.883 0.004 1.640
H8 -0.867 1.259 -0.522
H9 -0.010 2.153 0.760
H10 0.867 -1.259 -0.522
H11 0.010 -2.153 0.760

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51101.51102.35992.35991.09431.09432.15222.16572.15222.1657
C21.51102.49931.38422.87312.14232.13731.09281.09362.73653.4581
C31.51102.49932.87311.38422.13732.14232.73653.45811.09281.0936
F42.35991.38422.87313.41542.61993.29872.01352.01552.54513.8648
F52.35992.87311.38423.41543.29872.61992.54513.86482.01352.0155
H61.09432.14232.13732.61993.29871.76593.05442.49522.49952.4805
H71.09432.13732.14233.29872.61991.76592.49952.48053.05442.4952
H82.15221.09282.73652.01352.54513.05442.49951.78193.05713.7491
H92.16571.09363.45812.01553.86482.49522.48051.78193.74914.3062
H102.15222.73651.09282.54512.01352.49953.05443.05713.74911.7819
H112.16573.45811.09363.86482.01552.48052.49523.74914.30621.7819

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 109.122 C1 C2 H8 110.467
C1 C2 H9 111.504 C1 C3 F5 109.122
C1 C3 H10 110.467 C1 C3 H11 111.504
C2 C1 C3 111.595 C2 C1 H6 109.589
C2 C1 H7 109.201 C3 C1 H6 109.201
C3 C1 H7 109.589 F4 C2 H8 108.183
F4 C2 H9 108.300 F5 C3 H10 108.183
F5 C3 H11 108.300 H6 C1 H7 107.578
H8 C2 H9 109.179 H10 C3 H11 109.179
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.388      
2 C 0.020      
3 C 0.020      
4 F -0.324      
5 F -0.324      
6 H 0.175      
7 H 0.175      
8 H 0.168      
9 H 0.154      
10 H 0.168      
11 H 0.154      


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 1.970 1.970
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.149 -3.640 0.000
y -3.640 -28.286 0.000
z 0.000 0.000 -28.842
Traceless
 xyz
x -2.584 -3.640 0.000
y -3.640 1.709 0.000
z 0.000 0.000 0.875
Polar
3z2-r21.751
x2-y2-2.862
xy-3.640
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.737 -0.012 0.000
y -0.012 5.326 0.000
z 0.000 0.000 4.774


<r2> (average value of r2) Å2
<r2> 125.630
(<r2>)1/2 11.208