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

using model chemistry: HF/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-67.595101
Energy at 298.15K 
HF Energy-67.595101
Nuclear repulsion energy106.924404
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/CEP-121G
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 3321 3031 34.86 44.31 0.75 0.85
2 A 3241 2958 3.29 215.60 0.01 0.03
3 A 3183 2904 18.73 85.95 0.18 0.30
4 A 1652 1507 0.39 15.50 0.75 0.86
5 A 1605 1465 10.17 9.28 0.73 0.84
6 A 1544 1409 11.07 1.74 0.56 0.72
7 A 1411 1287 0.06 25.14 0.68 0.81
8 A 1321 1206 2.70 12.76 0.72 0.84
9 A 1205 1100 11.93 3.37 0.67 0.80
10 A 1033 943 61.89 9.35 0.75 0.86
11 A 916 836 4.51 16.27 0.05 0.10
12 A 557 509 5.65 0.92 0.69 0.82
13 A 259 237 8.78 0.42 0.21 0.35
14 A 87 80 9.21 0.07 0.75 0.86
15 B 3319 3029 27.25 48.08 0.75 0.86
16 B 3248 2964 77.60 29.42 0.75 0.86
17 B 3232 2949 26.41 75.94 0.75 0.86
18 B 1651 1506 5.19 0.19 0.75 0.86
19 B 1545 1409 7.56 0.31 0.75 0.86
20 B 1514 1382 15.55 1.60 0.75 0.86
21 B 1329 1213 7.64 1.49 0.75 0.86
22 B 1218 1111 9.12 3.25 0.75 0.86
23 B 1151 1051 92.55 4.75 0.75 0.86
24 B 1011 922 79.54 4.83 0.75 0.86
25 B 851 776 18.98 2.83 0.75 0.86
26 B 432 394 13.91 0.48 0.75 0.86
27 B 177 161 18.56 0.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21006.7 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 19168.6 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/CEP-121G
ABC
0.30602 0.09358 0.08907

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.968
C2 0.000 1.271 0.127
C3 0.000 -1.271 0.127
F4 1.239 1.333 -0.600
F5 -1.239 -1.333 -0.600
H6 0.877 -0.004 1.609
H7 -0.877 0.004 1.609
H8 -0.789 1.281 -0.612
H9 -0.038 2.163 0.736
H10 0.789 -1.281 -0.612
H11 0.038 -2.163 0.736

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.52461.52462.40222.40221.08621.08622.18162.17592.18162.1759
C21.52462.54231.43772.97362.14282.13851.08021.08122.77133.4882
C31.52462.54232.97361.43772.13852.14282.77133.48821.08021.0812
F42.40221.43772.97363.63932.60643.33522.02842.02642.65213.9304
F52.40222.97361.43773.63933.33522.60642.65213.93042.02842.0264
H61.08622.14282.13852.60643.33521.75493.05872.50872.56302.4757
H71.08622.13852.14283.33522.60641.75492.56302.47573.05872.5087
H82.18161.08022.77132.02842.65213.05872.56301.77733.00853.7898
H92.17591.08123.48822.02643.93042.50872.47571.77733.78984.3270
H102.18162.77131.08022.65212.02842.56303.05873.00853.78981.7773
H112.17593.48821.08123.93042.02642.47572.50873.78984.32701.7773

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 108.334 C1 C2 H8 112.638
C1 C2 H9 112.115 C1 C3 F5 108.334
C1 C3 H10 112.638 C1 C3 H11 112.115
C2 C1 C3 112.972 C2 C1 H6 109.161
C2 C1 H7 108.826 C3 C1 H6 108.826
C3 C1 H7 109.161 F4 C2 H8 106.471
F4 C2 H9 106.262 F5 C3 H10 106.471
F5 C3 H11 106.262 H6 C1 H7 107.765
H8 C2 H9 110.626 H10 C3 H11 110.626
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.280      
2 C 0.056      
3 C 0.056      
4 F -0.389      
5 F -0.389      
6 H 0.158      
7 H 0.158      
8 H 0.169      
9 H 0.147      
10 H 0.169      
11 H 0.147      


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 2.906 2.906
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.082 -6.685 0.000
y -6.685 -29.057 0.000
z 0.000 0.000 -29.535
Traceless
 xyz
x -5.786 -6.685 0.000
y -6.685 3.252 0.000
z 0.000 0.000 2.535
Polar
3z2-r25.069
x2-y2-6.025
xy-6.685
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.753 0.015 0.000
y 0.015 4.848 0.000
z 0.000 0.000 4.602


<r2> (average value of r2) Å2
<r2> 110.136
(<r2>)1/2 10.495