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

using model chemistry: HF/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 HF/6-311G*
 hartrees
Energy at 0K-316.043070
Energy at 298.15K 
HF Energy-316.043070
Nuclear repulsion energy189.246548
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 HF/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 3299 2984 50.65 48.60 0.74 0.85
2 A 3246 2936 6.24 201.76 0.02 0.04
3 A 3194 2889 18.14 80.70 0.23 0.38
4 A 1662 1503 0.21 12.26 0.75 0.86
5 A 1599 1446 12.14 7.88 0.62 0.77
6 A 1581 1430 12.21 1.96 0.33 0.49
7 A 1434 1297 1.13 20.60 0.71 0.83
8 A 1361 1231 1.90 7.11 0.66 0.80
9 A 1227 1110 28.45 2.58 0.70 0.82
10 A 1101 996 58.42 4.44 0.75 0.86
11 A 925 837 0.22 11.37 0.13 0.23
12 A 580 525 5.49 0.56 0.71 0.83
13 A 262 237 4.63 0.27 0.18 0.31
14 A 93 84 5.23 0.01 0.70 0.83
15 B 3299 2983 47.23 49.05 0.75 0.86
16 B 3247 2936 115.31 26.38 0.75 0.86
17 B 3229 2921 15.80 93.63 0.75 0.86
18 B 1664 1505 1.97 0.01 0.75 0.86
19 B 1566 1416 20.38 0.36 0.75 0.86
20 B 1526 1380 5.15 0.84 0.75 0.86
21 B 1384 1252 8.68 0.68 0.75 0.86
22 B 1221 1104 39.90 0.76 0.75 0.86
23 B 1184 1071 120.58 5.00 0.75 0.86
24 B 1042 943 31.74 3.33 0.75 0.86
25 B 851 770 6.97 1.16 0.75 0.86
26 B 447 404 9.72 0.35 0.75 0.86
27 B 202 183 12.54 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21212.7 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 19184.7 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 HF/6-311G*
ABC
0.31352 0.09882 0.09268

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.966
C2 0.000 1.263 0.132
C3 0.000 -1.263 0.132
F4 1.153 1.321 -0.611
F5 -1.153 -1.321 -0.611
H6 0.876 -0.004 1.609
H7 -0.876 0.004 1.609
H8 -0.832 1.285 -0.557
H9 -0.028 2.146 0.756
H10 0.832 -1.285 -0.557
H11 0.028 -2.146 0.756

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51341.51342.35852.35851.08631.08632.15922.15622.15922.1562
C21.51342.52541.37282.92512.13362.12911.08051.08182.76693.4653
C31.51342.52542.92511.37282.12912.13362.76693.46531.08051.0818
F42.35851.37282.92513.50612.60013.28321.98601.98612.62563.8927
F52.35852.92511.37283.50613.28322.60012.62563.89271.98601.9861
H61.08632.13362.12912.60013.28321.75183.04422.48272.51632.4565
H71.08632.12912.13363.28322.60011.75182.51632.45653.04422.4827
H82.15921.08052.76691.98602.62563.04422.51631.76433.06123.7723
H92.15621.08183.46531.98613.89272.48272.45651.76433.77234.2919
H102.15922.76691.08052.62561.98602.51633.04423.06123.77231.7643
H112.15623.46531.08183.89271.98612.45652.48273.77234.29191.7643

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 109.503 C1 C2 H8 111.606
C1 C2 H9 111.284 C1 C3 F5 109.503
C1 C3 H10 111.606 C1 C3 H11 111.284
C2 C1 C3 113.096 C2 C1 H6 109.205
C2 C1 H7 108.854 C3 C1 H6 108.854
C3 C1 H7 109.205 F4 C2 H8 107.500
F4 C2 H9 107.427 F5 C3 H10 107.500
F5 C3 H11 107.427 H6 C1 H7 107.474
H8 C2 H9 109.360 H10 C3 H11 109.360
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.516      
2 C -0.015      
3 C -0.015      
4 F -0.361      
5 F -0.361      
6 H 0.219      
7 H 0.219      
8 H 0.214      
9 H 0.202      
10 H 0.214      
11 H 0.202      


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 2.281 2.281
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.629 -4.720 0.000
y -4.720 -29.018 0.000
z 0.000 0.000 -29.430
Traceless
 xyz
x -3.405 -4.720 0.000
y -4.720 2.012 0.000
z 0.000 0.000 1.393
Polar
3z2-r22.787
x2-y2-3.611
xy-4.720
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.576 -0.047 0.000
y -0.047 5.025 0.000
z 0.000 0.000 4.612


<r2> (average value of r2) Å2
<r2> 128.323
(<r2>)1/2 11.328