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 (1,4-Hexadiene, (Z)-)

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-233.001564
Energy at 298.15K-233.011144
Nuclear repulsion energy216.893436
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/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 3170 3141 15.01      
2 A 3093 3065 33.82      
3 A 3087 3059 12.23      
4 A 3075 3047 16.30      
5 A 3073 3045 15.92      
6 A 3058 3031 0.30      
7 A 3016 2989 15.98      
8 A 2995 2968 12.71      
9 A 2970 2943 19.04      
10 A 2953 2926 20.24      
11 A 1681 1666 0.93      
12 A 1664 1649 10.55      
13 A 1511 1497 13.37      
14 A 1505 1491 7.47      
15 A 1480 1466 9.83      
16 A 1442 1429 2.59      
17 A 1419 1406 8.30      
18 A 1410 1397 5.74      
19 A 1328 1316 2.13      
20 A 1302 1290 1.56      
21 A 1291 1279 1.13      
22 A 1234 1222 2.97      
23 A 1116 1106 1.17      
24 A 1090 1080 10.31      
25 A 1061 1052 0.09      
26 A 1012 1003 17.53      
27 A 989 980 2.98      
28 A 985 976 0.41      
29 A 944 936 14.44      
30 A 920 912 30.87      
31 A 898 890 6.61      
32 A 860 852 4.05      
33 A 717 711 36.40      
34 A 603 598 11.24      
35 A 557 552 4.41      
36 A 521 516 18.67      
37 A 388 385 0.24      
38 A 299 296 0.06      
39 A 208 206 0.05      
40 A 141 140 0.35      
41 A 122 121 0.26      
42 A 41 40 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 30613.5 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 30334.9 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/3-21G
ABC
0.21892 0.06451 0.06223

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.242 -0.300 -0.748
H2 -3.242 0.173 -0.705
H3 -1.658 0.195 -1.540
H4 -2.395 -1.356 -1.043
C5 -1.559 -0.222 0.598
H6 -2.112 -0.684 1.427
C7 -0.369 0.348 0.872
H8 0.005 0.309 1.903
C9 0.559 1.031 -0.109
H10 0.050 1.212 -1.076
H11 0.835 2.031 0.288
C12 1.844 0.249 -0.367
H13 2.635 0.806 -0.886
C14 2.042 -1.030 -0.017
H15 2.982 -1.545 -0.235
H16 1.260 -1.602 0.492

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 C7 H8 C9 H10 H11 C12 H13 C14 H15 H16
C11.10691.10171.10701.51182.21232.55953.52873.16642.76533.99664.14015.00324.40685.39493.9368
H21.10691.79071.78042.16532.56063.28204.16763.94213.47204.58915.09765.91435.46276.47404.9853
H31.10171.79071.78762.18123.12792.73933.82612.76832.04153.59563.69364.38594.18465.12483.9845
H41.10701.78041.78762.16302.57493.26654.14883.91073.54564.86514.58215.47714.56515.44013.9713
C51.51182.16532.18122.16301.09861.34692.10512.56022.72883.30123.56794.56623.74134.80253.1404
H62.21232.56063.12792.57491.09862.10032.38723.52663.81254.16564.44285.48744.41175.42723.6178
C72.55953.28202.73933.26651.34692.10031.09801.51352.17182.15002.53793.51112.91584.00482.5691
H83.52874.16763.82614.14882.10512.38721.09802.20843.11332.50182.92193.86593.10344.10772.6871
C93.16643.94212.76833.91072.56023.52661.51352.20841.10761.11031.52612.22872.54103.53932.7908
H102.76533.47202.04153.54562.72883.81252.17183.11331.10761.77412.15582.62413.18054.11193.4415
H113.99664.58913.59564.86513.30124.16562.15002.50181.11031.77412.14962.47433.30424.20393.6634
C124.14015.09763.69364.58213.56794.44282.53792.92191.52612.15582.14961.09831.34082.12932.1230
H135.00325.91434.38595.47714.56625.48743.51113.86592.22872.62412.47431.09832.11582.46423.0969
C144.40685.46274.18464.56513.74134.41172.91583.10342.54103.18053.30421.34082.11581.09391.0949
H155.39496.47405.12485.44014.80255.42724.00484.10773.53934.11194.20392.12932.46421.09391.8701
H163.93684.98533.98453.97133.14043.61782.56912.68712.79083.44153.66342.12303.09691.09491.8701

picture of 1,4-Hexadiene, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 114.964 C1 C5 C7 127.011
H2 C1 H3 108.343 H2 C1 H4 107.061
H2 C1 C5 110.601 H3 C1 H4 108.062
H3 C1 C5 112.186 H4 C1 C5 110.410
C5 C7 H8 118.507 C5 C7 C9 126.935
H6 C5 C7 118.026 C7 C9 H10 110.960
C7 C9 H11 109.091 C7 C9 C12 113.222
H8 C7 C9 114.543 C9 C12 H13 115.288
C9 C12 C14 124.704 H10 C9 H11 106.241
H10 C9 C12 108.841 H11 C9 C12 108.215
C12 C14 H15 121.656 C12 C14 H16 120.960
H13 C12 C14 120.005 H15 C14 H16 117.382
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.655      
2 H 0.216      
3 H 0.215      
4 H 0.220      
5 C -0.176      
6 H 0.192      
7 C -0.159      
8 H 0.197      
9 C -0.524      
10 H 0.226      
11 H 0.224      
12 C -0.160      
13 H 0.191      
14 C -0.399      
15 H 0.191      
16 H 0.201      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.365 0.194 -0.226 0.471
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.634 1.454 -0.329
y 1.454 -37.726 -1.255
z -0.329 -1.255 -38.242
Traceless
 xyz
x 1.350 1.454 -0.329
y 1.454 -0.288 -1.255
z -0.329 -1.255 -1.062
Polar
3z2-r2-2.125
x2-y21.092
xy1.454
xz-0.329
yz-1.255


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.113 0.585 0.088
y 0.585 8.500 -0.679
z 0.088 -0.679 6.878


<r2> (average value of r2) Å2
<r2> 209.101
(<r2>)1/2 14.460