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

using model chemistry: mPW1PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at mPW1PW91/cc-pVTZ
 hartrees
Energy at 0K-317.652181
Energy at 298.15K 
HF Energy-317.652181
Nuclear repulsion energy188.120990
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 mPW1PW91/cc-pVTZ
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 3121 2994 30.96 46.22 0.68 0.81
2 A 3070 2945 3.83 285.47 0.01 0.01
3 A 3058 2934 3.96 51.81 0.43 0.60
4 A 1517 1455 0.58 10.14 0.71 0.83
5 A 1455 1396 8.84 5.49 0.74 0.85
6 A 1439 1380 7.14 1.35 0.12 0.21
7 A 1320 1266 0.99 13.53 0.68 0.81
8 A 1250 1199 0.56 5.33 0.64 0.78
9 A 1138 1091 24.27 1.70 0.71 0.83
10 A 1024 982 42.95 3.82 0.75 0.85
11 A 885 849 0.00 8.82 0.10 0.18
12 A 535 513 2.99 0.57 0.67 0.80
13 A 245 235 3.83 0.28 0.27 0.43
14 A 88 84 3.68 0.05 0.70 0.83
15 B 3123 2995 27.44 24.54 0.75 0.86
16 B 3104 2977 18.58 90.46 0.75 0.86
17 B 3066 2941 59.21 38.59 0.75 0.86
18 B 1516 1454 5.31 0.06 0.75 0.86
19 B 1418 1360 11.15 0.44 0.75 0.86
20 B 1395 1338 1.39 0.49 0.75 0.86
21 B 1267 1215 6.77 0.88 0.75 0.86
22 B 1128 1082 17.19 0.64 0.75 0.86
23 B 1104 1059 113.81 2.87 0.75 0.86
24 B 971 931 22.29 2.59 0.75 0.86
25 B 788 755 1.95 0.78 0.75 0.86
26 B 418 401 7.56 0.31 0.75 0.86
27 B 178 170 9.12 0.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19807.5 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 18999.4 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 mPW1PW91/cc-pVTZ
ABC
0.31676 0.09618 0.09092

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.956
C2 0.000 1.259 0.124
C3 0.000 -1.259 0.124
F4 1.180 1.346 -0.598
F5 -1.180 -1.346 -0.598
H6 0.880 -0.005 1.603
H7 -0.880 0.005 1.603
H8 -0.826 1.260 -0.589
H9 -0.069 2.148 0.754
H10 0.826 -1.260 -0.589
H11 0.069 -2.148 0.754

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.50911.50912.37062.37061.09251.09252.15782.15822.15782.1582
C21.50912.51851.38642.94992.13532.12991.09081.09102.74553.4652
C31.50912.51852.94991.38642.12992.13532.74553.46521.09081.0910
F42.37061.38642.94993.58042.60013.30012.00772.00762.63043.9075
F52.37062.94991.38643.58043.30012.60012.63043.90752.00772.0076
H61.09252.13532.12992.60013.30011.76003.05192.50072.52682.4438
H71.09252.12992.13533.30012.60011.76002.52682.44383.05192.5007
H82.15781.09082.74552.00772.63043.05192.52681.77833.01333.7704
H92.15821.09103.46522.00763.90752.50072.44381.77833.77044.2973
H102.15782.74551.09082.63042.00772.52683.05193.01333.77041.7783
H112.15823.46521.09103.90752.00762.44382.50073.77044.29731.7783

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 109.839 C1 C2 H8 111.164
C1 C2 H9 111.179 C1 C3 F5 109.839
C1 C3 H10 111.164 C1 C3 H11 111.179
C2 C1 C3 113.107 C2 C1 H6 109.275
C2 C1 H7 108.851 C3 C1 H6 108.851
C3 C1 H7 109.275 F4 C2 H8 107.686
F4 C2 H9 107.660 F5 C3 H10 107.686
F5 C3 H11 107.660 H6 C1 H7 107.321
H8 C2 H9 109.186 H10 C3 H11 109.186
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.184      
2 C 0.139      
3 C 0.139      
4 F -0.246      
5 F -0.246      
6 H 0.083      
7 H 0.083      
8 H 0.057      
9 H 0.059      
10 H 0.057      
11 H 0.059      


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 1.954 1.954
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.120 -4.183 0.000
y -4.183 -29.176 0.000
z 0.000 0.000 -29.038
Traceless
 xyz
x -3.012 -4.183 0.000
y -4.183 1.403 0.000
z 0.000 0.000 1.610
Polar
3z2-r23.219
x2-y2-2.943
xy-4.183
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.339 -0.007 0.000
y -0.007 6.022 0.000
z 0.000 0.000 5.391


<r2> (average value of r2) Å2
<r2> 129.922
(<r2>)1/2 11.398