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

using model chemistry: BLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-315.775343
Energy at 298.15K 
HF Energy-315.775343
Nuclear repulsion energy186.759527
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 BLYP/3-21G
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 3030 3013 42.71 38.55 0.63 0.77
2 A 3001 2984 3.73 145.67 0.09 0.17
3 A 2977 2960 0.05 115.56 0.12 0.21
4 A 1524 1516 2.44 22.41 0.74 0.85
5 A 1489 1481 6.09 12.87 0.75 0.86
6 A 1428 1420 6.47 6.11 0.75 0.86
7 A 1306 1298 0.89 28.19 0.72 0.84
8 A 1230 1223 0.04 16.45 0.74 0.85
9 A 1093 1087 4.43 4.29 0.75 0.85
10 A 962 956 32.91 4.63 0.63 0.77
11 A 849 844 0.70 10.86 0.15 0.27
12 A 529 526 2.72 1.00 0.70 0.83
13 A 257 255 3.42 0.37 0.57 0.72
14 A 95 95 2.40 0.06 0.60 0.75
15 B 3050 3033 35.27 23.45 0.75 0.86
16 B 3021 3005 19.99 86.85 0.75 0.86
17 B 2975 2958 84.86 38.92 0.75 0.86
18 B 1542 1533 6.16 0.06 0.75 0.86
19 B 1399 1391 8.78 2.03 0.75 0.86
20 B 1374 1367 2.48 4.06 0.75 0.86
21 B 1218 1211 5.07 4.14 0.75 0.86
22 B 1098 1092 13.77 0.10 0.75 0.86
23 B 1020 1014 31.38 3.54 0.75 0.86
24 B 948 943 24.58 5.15 0.75 0.86
25 B 769 765 4.42 0.79 0.75 0.86
26 B 378 376 6.32 0.36 0.75 0.86
27 B 206 205 14.73 0.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19382.3 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 19275.7 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 BLYP/3-21G
ABC
0.27414 0.10496 0.09638

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.054
C2 0.000 1.247 0.152
C3 0.000 -1.247 0.152
F4 1.188 1.192 -0.668
F5 -1.188 -1.192 -0.668
H6 0.898 -0.006 1.693
H7 -0.898 0.006 1.693
H8 -0.889 1.196 -0.496
H9 -0.005 2.179 0.741
H10 0.889 -1.196 -0.496
H11 0.005 -2.179 0.741

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.53851.53852.40792.40791.10181.10182.14982.20182.14982.2018
C21.53852.49371.44532.83422.17872.17221.10171.10272.67893.4764
C31.53852.49372.83421.44532.17222.17872.67893.47641.10171.1027
F42.40791.44532.83423.36612.66303.36632.08492.09382.41223.8408
F52.40792.83421.44533.36613.36632.66302.41223.84082.08492.0938
H61.10182.17872.17222.66303.36631.79553.07012.54852.49092.5354
H71.10182.17222.17873.36632.66301.79552.49092.53543.07012.5485
H82.14981.10172.67892.08492.41223.07012.49091.81102.98023.7039
H92.20181.10273.47642.09383.84082.54852.53541.81103.70394.3588
H102.14982.67891.10172.41222.08492.49093.07012.98023.70391.8110
H112.20183.47641.10273.84082.09382.53542.54853.70394.35881.8110

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 107.563 C1 C2 H8 107.881
C1 C2 H9 111.887 C1 C3 F5 107.563
C1 C3 H10 107.881 C1 C3 H11 111.887
C2 C1 C3 108.271 C2 C1 H6 110.113
C2 C1 H7 109.599 C3 C1 H6 109.599
C3 C1 H7 110.113 F4 C2 H8 109.143
F4 C2 H9 109.791 F5 C3 H10 109.143
F5 C3 H11 109.791 H6 C1 H7 109.134
H8 C2 H9 110.485 H10 C3 H11 110.485
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.443      
2 C -0.067      
3 C -0.067      
4 F -0.266      
5 F -0.266      
6 H 0.192      
7 H 0.192      
8 H 0.189      
9 H 0.174      
10 H 0.189      
11 H 0.174      


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 1.926 1.926
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.502 -3.342 0.000
y -3.342 -28.136 0.000
z 0.000 0.000 -29.399
Traceless
 xyz
x -2.734 -3.342 0.000
y -3.342 2.315 0.000
z 0.000 0.000 0.419
Polar
3z2-r20.839
x2-y2-3.366
xy-3.342
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.588 -0.017 0.000
y -0.017 5.085 0.000
z 0.000 0.000 4.534


<r2> (average value of r2) Å2
<r2> 126.029
(<r2>)1/2 11.226