return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H10 (1,5-Hexadiene)

using model chemistry: PBEPBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1Ag
Energy calculated at PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-234.358577
Energy at 298.15K-234.368163
HF Energy-234.358577
Nuclear repulsion energy211.672578
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 PBEPBE/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 3147 3125 7.50      
2 A 3062 3041 3.14      
3 A 3047 3026 37.10      
4 A 3006 2985 18.23      
5 A 2935 2915 7.17      
6 A 1657 1646 6.50      
7 A 1425 1415 3.47      
8 A 1398 1388 2.24      
9 A 1305 1296 0.19      
10 A 1280 1272 1.23      
11 A 1201 1193 0.01      
12 A 1058 1051 0.01      
13 A 1006 999 0.49      
14 A 995 988 9.64      
15 A 922 916 0.35      
16 A 904 897 18.50      
17 A 761 756 0.50      
18 A 618 614 7.91      
19 A 401 398 0.00      
20 A 338 336 0.10      
21 A 98 97 0.04      
22 A 71 71 0.06      
23 B 3147 3125 26.03      
24 B 3062 3041 7.97      
25 B 3046 3025 14.57      
26 B 2989 2968 8.13      
27 B 2940 2920 32.79      
28 B 1660 1649 25.28      
29 B 1439 1429 8.86      
30 B 1402 1393 0.17      
31 B 1285 1276 0.98      
32 B 1265 1256 0.57      
33 B 1225 1217 1.76      
34 B 1143 1135 2.50      
35 B 998 991 21.13      
36 B 932 926 6.30      
37 B 910 904 0.87      
38 B 904 898 59.12      
39 B 644 640 20.14      
40 B 424 422 2.03      
41 B 211 210 0.22      
42 B 115 114 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 30188.6 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 29980.3 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 PBEPBE/cc-pVTZ
ABC
0.43036 0.04610 0.04491

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.422 0.648 -0.290
C2 0.422 -0.648 -0.290
C3 0.422 1.887 -0.336
C4 -0.422 -1.887 -0.336
C5 0.431 2.847 0.592
C6 -0.431 -2.847 0.592
H7 -1.090 0.626 -1.169
H8 -1.070 0.665 0.600
H9 1.090 -0.626 -1.169
H10 1.070 -0.665 0.600
H11 1.083 1.982 -1.205
H12 -1.083 -1.982 -1.205
H13 1.073 3.724 0.503
H14 -0.209 2.790 1.475
H15 -1.073 -3.724 0.503
H16 0.209 -2.790 1.475

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.54571.49912.53472.51813.60421.10471.10072.16322.17682.20932.86193.51072.78384.49053.9156
C21.54572.53471.49913.60422.51812.16322.17681.10471.10072.86192.20934.49053.91563.51072.7838
C31.49912.53473.86611.33544.89832.13742.14262.72982.79401.09644.24072.12242.12005.86645.0195
C42.53471.49913.86614.89831.33542.72982.79402.13742.14264.24071.09645.86645.01952.12242.1200
C52.51813.60421.33544.89835.75873.21702.64833.94883.56952.09815.37021.09051.09266.74145.7100
C63.60422.51814.89831.33545.75873.94883.56953.21702.64835.37022.09816.74145.71001.09051.0926
H71.10472.16322.13742.72983.21703.94881.76922.51373.07552.56172.60784.13213.52874.65984.5107
H81.10072.17682.14262.79402.64833.56951.76923.07552.51923.10253.20383.73602.45404.39003.7869
H92.16321.10472.72982.13743.94883.21702.51373.07551.76922.60782.56174.65984.51074.13213.5287
H102.17681.10072.79402.14263.56952.64833.07552.51921.76923.20383.10254.39003.78693.73602.4540
H112.20932.86191.09644.24072.09815.37022.56173.10252.60783.20384.51692.43973.08346.33425.5425
H122.86192.20934.24071.09645.37022.09812.60783.20382.56173.10254.51696.33425.54252.43973.0834
H133.51074.49052.12245.86641.09056.74144.13213.73604.65984.39002.43976.33421.86077.75096.6425
H142.78383.91562.12005.01951.09265.71003.52872.45404.51073.78693.08345.54251.86076.64255.5958
H154.49053.51075.86642.12246.74141.09054.65984.39004.13213.73606.33422.43977.75096.64251.8607
H163.91562.78385.01952.12005.71001.09264.51073.78693.52872.45405.54253.08346.64255.59581.8607

picture of 1,5-Hexadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 112.700 C1 C2 H9 108.256
C1 C2 H10 109.532 C1 C3 C5 125.240
C1 C3 H11 115.821 C2 C1 C3 112.700
C2 C1 H7 108.256 C2 C1 H8 109.532
C2 C4 C6 125.240 C2 C4 H12 115.821
C3 C1 H7 109.411 C3 C1 H8 110.061
C3 C5 H13 121.737 C3 C5 H14 121.330
C4 C2 H9 109.411 C4 C2 H10 110.061
C4 C6 H15 121.737 C4 C6 H16 121.330
C5 C3 H11 118.934 C6 C4 H12 118.934
H7 C1 H8 106.684 H9 C2 H10 106.684
H13 C5 H14 116.933 H15 C6 H16 116.933
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.118      
2 C -0.118      
3 C -0.093      
4 C -0.093      
5 C -0.256      
6 C -0.256      
7 H 0.088      
8 H 0.082      
9 H 0.088      
10 H 0.082      
11 H 0.092      
12 H 0.092      
13 H 0.107      
14 H 0.098      
15 H 0.107      
16 H 0.098      


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 -0.285 0.285
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.658 1.399 0.000
y 1.399 -40.151 0.000
z 0.000 0.000 -37.606
Traceless
 xyz
x -0.780 1.399 0.000
y 1.399 -1.519 0.000
z 0.000 0.000 2.299
Polar
3z2-r24.597
x2-y20.493
xy1.399
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.635 1.496 0.000
y 1.496 14.787 0.000
z 0.000 0.000 10.175


<r2> (average value of r2) Å2
<r2> 255.951
(<r2>)1/2 15.998