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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-317.572016
Energy at 298.15K 
HF Energy-317.572016
Nuclear repulsion energy189.021522
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 B1B95/6-311G*
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 3144 3013 38.69 53.63 0.73 0.84
2 A 3089 2961 3.28 233.09 0.01 0.02
3 A 3070 2943 8.90 65.47 0.33 0.50
4 A 1529 1465 0.61 13.23 0.74 0.85
5 A 1470 1409 11.37 7.42 0.70 0.82
6 A 1451 1391 9.46 2.26 0.37 0.54
7 A 1328 1273 0.55 20.98 0.71 0.83
8 A 1260 1208 0.77 8.33 0.68 0.81
9 A 1134 1087 25.87 1.94 0.74 0.85
10 A 1024 981 45.06 4.11 0.75 0.85
11 A 893 856 0.05 8.51 0.14 0.25
12 A 540 518 4.14 0.63 0.72 0.83
13 A 237 228 3.95 0.26 0.23 0.37
14 A 88 85 3.73 0.02 0.60 0.75
15 B 3145 3014 38.59 35.14 0.75 0.86
16 B 3117 2988 27.16 85.46 0.75 0.86
17 B 3084 2957 68.88 46.89 0.75 0.86
18 B 1532 1468 4.86 0.00 0.75 0.86
19 B 1430 1371 12.96 1.30 0.75 0.86
20 B 1402 1344 4.06 0.92 0.75 0.86
21 B 1276 1223 7.54 0.96 0.75 0.86
22 B 1136 1089 17.29 0.65 0.75 0.86
23 B 1106 1060 106.25 3.71 0.75 0.86
24 B 975 935 24.76 3.33 0.75 0.86
25 B 783 751 2.23 0.65 0.75 0.86
26 B 415 397 7.28 0.43 0.75 0.86
27 B 182 174 11.11 0.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19918.6 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 19093.9 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 B1B95/6-311G*
ABC
0.30649 0.10037 0.09377

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.978
C2 0.000 1.252 0.138
C3 0.000 -1.252 0.138
F4 1.160 1.294 -0.622
F5 -1.160 -1.294 -0.622
H6 0.881 -0.004 1.625
H7 -0.881 0.004 1.625
H8 -0.846 1.261 -0.550
H9 -0.025 2.150 0.756
H10 0.846 -1.261 -0.550
H11 0.025 -2.150 0.756

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.50751.50752.36262.36261.09301.09302.15412.16202.15412.1620
C21.50752.50331.38762.89932.13632.13191.09021.09082.73863.4577
C31.50752.50332.89931.38762.13192.13632.73863.45771.09021.0908
F42.36261.38762.89933.47672.60993.29872.00762.00852.57543.8799
F52.36262.89931.38763.47673.29872.60992.57543.87992.00762.0085
H61.09302.13632.13192.60993.29871.76203.05152.49332.51242.4692
H71.09302.13192.13633.29872.60991.76202.51242.46923.05152.4933
H82.15411.09022.73862.00762.57543.05152.51241.78063.03613.7546
H92.16201.09083.45772.00853.87992.49332.46921.78063.75464.3010
H102.15412.73861.09022.57542.00762.51243.05153.03613.75461.7806
H112.16203.45771.09083.87992.00852.46922.49333.75464.30101.7806

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 109.316 C1 C2 H8 111.015
C1 C2 H9 111.619 C1 C3 F5 109.316
C1 C3 H10 111.015 C1 C3 H11 111.619
C2 C1 C3 112.250 C2 C1 H6 109.434
C2 C1 H7 109.088 C3 C1 H6 109.088
C3 C1 H7 109.434 F4 C2 H8 107.629
F4 C2 H9 107.672 F5 C3 H10 107.629
F5 C3 H11 107.672 H6 C1 H7 107.426
H8 C2 H9 109.452 H10 C3 H11 109.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.536      
2 C -0.114      
3 C -0.114      
4 F -0.279      
5 F -0.279      
6 H 0.230      
7 H 0.230      
8 H 0.221      
9 H 0.211      
10 H 0.221      
11 H 0.211      


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 2.106 2.106
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.035 -4.095 0.000
y -4.095 -28.801 0.000
z 0.000 0.000 -29.224
Traceless
 xyz
x -3.023 -4.095 0.000
y -4.095 1.828 0.000
z 0.000 0.000 1.194
Polar
3z2-r22.389
x2-y2-3.234
xy-4.095
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.883 -0.052 0.000
y -0.052 5.489 0.000
z 0.000 0.000 4.958


<r2> (average value of r2) Å2
<r2> 127.312
(<r2>)1/2 11.283