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

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-317.290814
Energy at 298.15K 
HF Energy-317.052482
Nuclear repulsion energy188.470941
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 B2PLYP/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 3162 3002 35.95 47.91 0.75 0.86
2 A 3106 2948 5.66 200.30 0.01 0.02
3 A 3088 2931 6.68 53.09 0.39 0.57
4 A 1568 1488 0.67 17.00 0.73 0.84
5 A 1515 1438 6.71 10.85 0.75 0.86
6 A 1476 1401 14.72 2.50 0.67 0.80
7 A 1338 1270 0.01 26.01 0.71 0.83
8 A 1268 1204 0.92 10.38 0.71 0.83
9 A 1145 1087 19.21 1.86 0.74 0.85
10 A 1031 979 41.30 5.22 0.69 0.82
11 A 896 850 0.05 9.90 0.14 0.25
12 A 554 526 3.72 0.69 0.72 0.83
13 A 253 240 3.70 0.20 0.25 0.40
14 A 90 86 3.12 0.01 0.58 0.74
15 B 3164 3003 39.69 31.06 0.75 0.86
16 B 3135 2976 19.38 80.21 0.75 0.86
17 B 3103 2945 68.59 44.39 0.75 0.86
18 B 1571 1491 2.82 0.06 0.75 0.86
19 B 1449 1376 14.11 2.69 0.75 0.86
20 B 1430 1357 5.07 0.93 0.75 0.86
21 B 1279 1214 6.96 1.07 0.75 0.86
22 B 1154 1096 18.04 0.68 0.75 0.86
23 B 1111 1055 77.78 4.39 0.75 0.86
24 B 989 939 25.69 4.10 0.75 0.86
25 B 799 758 2.29 0.88 0.75 0.86
26 B 420 398 7.03 0.29 0.75 0.86
27 B 203 193 11.09 0.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20147.3 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 19123.8 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 B2PLYP/6-31G*
ABC
0.29713 0.10173 0.09434

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.997
C2 0.000 1.256 0.147
C3 0.000 -1.256 0.147
F4 1.154 1.272 -0.640
F5 -1.154 -1.272 -0.640
H6 0.884 -0.004 1.643
H7 -0.884 0.004 1.643
H8 -0.864 1.271 -0.521
H9 -0.002 2.159 0.764
H10 0.864 -1.271 -0.521
H11 0.002 -2.159 0.764

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51631.51632.37282.37281.09531.09532.16012.17102.16012.1710
C21.51632.51181.39742.88842.14622.14201.09231.09362.75313.4698
C31.51632.51182.88841.39742.14202.14622.75313.46981.09231.0936
F42.37281.39742.88843.43572.62943.31342.02222.02392.56273.8820
F52.37282.88841.39743.43573.31342.62942.56273.88202.02222.0239
H61.09532.14622.14202.62943.31341.76853.06022.49662.50802.4888
H71.09532.14202.14623.31342.62941.76852.50802.48883.06022.4966
H82.16011.09232.75312.02222.56273.06022.50801.78383.07443.7638
H92.17101.09363.46982.02393.88202.49662.48881.78383.76384.3172
H102.16012.75311.09232.56272.02222.50803.06023.07443.76381.7838
H112.17103.46981.09363.88202.02392.48882.49663.76384.31721.7838

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 108.983 C1 C2 H8 110.751
C1 C2 H9 111.553 C1 C3 F5 108.983
C1 C3 H10 110.751 C1 C3 H11 111.553
C2 C1 C3 111.838 C2 C1 H6 109.477
C2 C1 H7 109.144 C3 C1 H6 109.144
C3 C1 H7 109.477 F4 C2 H8 107.999
F4 C2 H9 108.063 F5 C3 H10 107.999
F5 C3 H11 108.063 H6 C1 H7 107.667
H8 C2 H9 109.385 H10 C3 H11 109.385
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.355      
2 C 0.050      
3 C 0.050      
4 F -0.338      
5 F -0.338      
6 H 0.161      
7 H 0.161      
8 H 0.160      
9 H 0.145      
10 H 0.160      
11 H 0.145      


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 2.020 2.020
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.564 -3.777 0.000
y -3.777 -28.584 0.000
z 0.000 0.000 -29.169
Traceless
 xyz
x -2.688 -3.777 0.000
y -3.777 1.783 0.000
z 0.000 0.000 0.905
Polar
3z2-r21.810
x2-y2-2.980
xy-3.777
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.741 0.003 0.000
y 0.003 5.243 0.000
z 0.000 0.000 4.747


<r2> (average value of r2) Å2
<r2> 126.960
(<r2>)1/2 11.268