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 (2,4-Hexadiene, (Z,Z)-)

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-233.348710
Energy at 298.15K-233.358277
Nuclear repulsion energy212.901366
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 B3LYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3182 3070 60.68      
2 A' 3170 3059 0.00      
3 A' 3153 3043 0.00      
4 A' 3148 3038 26.25      
5 A' 3135 3025 4.58      
6 A' 3129 3019 0.00      
7 A' 3036 2929 0.09      
8 A' 3035 2929 53.20      
9 A' 1715 1655 0.00      
10 A' 1677 1618 7.26      
11 A' 1557 1502 0.00      
12 A' 1553 1499 22.03      
13 A' 1506 1453 0.00      
14 A' 1471 1420 15.55      
15 A' 1463 1412 0.00      
16 A' 1435 1384 3.22      
17 A' 1347 1300 0.00      
18 A' 1316 1270 1.39      
19 A' 1192 1150 0.00      
20 A' 1113 1074 5.08      
21 A' 1026 990 0.00      
22 A' 927 894 33.78      
23 A' 901 870 0.00      
24 A' 656 633 0.00      
25 A' 544 525 17.04      
26 A' 285 275 0.00      
27 A' 197 190 0.26      
28 A" 3071 2964 39.40      
29 A" 3071 2964 1.62      
30 A" 1554 1499 0.00      
31 A" 1554 1499 16.69      
32 A" 1098 1060 0.00      
33 A" 1097 1058 0.00      
34 A" 1037 1001 0.85      
35 A" 1007 972 0.00      
36 A" 820 791 0.00      
37 A" 715 690 82.78      
38 A" 475 459 0.00      
39 A" 315 304 0.00      
40 A" 129 125 0.00      
41 A" 124 120 0.56      
42 A" 65 63 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 31500.6 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 30394.9 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 B3LYP/3-21G
ABC
0.38511 0.05213 0.04672

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.924 -2.603 0.000
C2 1.083 -1.526 0.000
H3 -0.974 -1.211 0.000
C4 0.000 -0.729 0.000
H5 0.974 1.211 0.000
C6 0.000 0.729 0.000
H7 -0.924 2.603 0.000
C8 -1.083 1.526 0.000
H9 -2.650 0.017 0.000
H10 -3.048 1.503 0.883
H11 -3.048 1.503 -0.883
C12 -2.532 1.103 0.000
H13 2.650 -0.017 0.000
H14 3.048 -1.503 0.883
H15 3.048 -1.503 -0.883
C16 2.532 -1.103 0.000

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 C6 H7 C8 H9 H10 H11 C12 H13 H14 H15 C16
H11.08862.35372.08943.81483.45805.52454.59144.43175.78085.78085.06713.10982.55032.55032.1996
C21.08862.08141.34502.73972.50214.59143.74334.04005.19865.19864.47002.17602.15452.15451.5095
H32.35372.08141.08703.10882.17113.81482.73982.07793.52823.52822.78943.81634.12864.12863.5079
C42.08941.34501.08702.17111.45813.45802.50212.75343.88003.88003.12512.74443.26663.26662.5594
H53.81482.73973.10882.17111.08702.35372.08143.81634.12864.12863.50792.07793.52823.52822.7894
C63.45802.50212.17111.45811.08702.08941.34502.74443.26663.26662.55942.75343.87993.87993.1251
H75.52454.59143.81483.45802.35372.08941.08863.10982.55032.55032.19964.43165.78085.78085.0671
C84.59143.74332.73982.50212.08141.34501.08862.17602.15452.15451.50954.03995.19865.19864.4700
H94.43174.04002.07792.75343.81632.74443.10982.17601.77391.77391.09225.30095.96365.96365.3019
H105.78085.19863.52823.88004.12863.26662.55032.15451.77391.76621.09855.96366.79737.02306.2216
H115.78085.19863.52823.88004.12863.26662.55032.15451.77391.76621.09855.96367.02306.79736.2216
C125.06714.47002.78943.12513.50792.55942.19961.50951.09221.09851.09855.30196.22166.22165.5233
H133.10982.17603.81632.74442.07792.75344.43164.03995.30095.96365.96365.30191.77391.77391.0922
H142.55032.15454.12863.26663.52823.87995.78085.19865.96366.79737.02306.22161.77391.76621.0985
H152.55032.15454.12863.26663.52823.87995.78085.19865.96367.02306.79736.22161.77391.76621.0985
C162.19961.50953.50792.55942.78943.12515.06714.47005.30196.22166.22165.52331.09221.09851.0985

picture of 2,4-Hexadiene, (Z,Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 117.934 H1 C2 C16 114.725
C2 C4 H3 117.313 C2 C4 C6 126.358
C2 C16 H13 112.526 C2 C16 H14 110.413
C2 C16 H15 110.413 H3 C4 C6 116.329
C4 C2 C16 127.341 C4 C6 H5 116.328
C4 C6 C8 126.358 H5 C6 C8 117.313
C6 C8 H7 117.934 C6 C8 C12 127.342
H7 C8 C12 114.724 C8 C12 H9 112.526
C8 C12 H10 110.413 C8 C12 H11 110.413
H9 C12 H10 108.140 H9 C12 H11 108.140
H10 C12 H11 107.014 H13 C16 H14 108.140
H13 C16 H15 108.140 H14 C16 H15 107.014
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.181     0.096
2 C -0.161     -0.086
3 H 0.181     0.166
4 C -0.200     -0.221
5 H 0.181     0.162
6 C -0.200     -0.220
7 H 0.181     0.100
8 C -0.161     -0.099
9 H 0.201     0.062
10 H 0.204     0.063
11 H 0.204     0.063
12 C -0.610     -0.134
13 H 0.201     0.072
14 H 0.204     0.068
15 H 0.204     0.068
16 C -0.610     -0.159


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 0.000 0.000
CHELPG        
AIM        
ESP 0.001 -0.001 0.000 0.001


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.233 -1.091 0.000
y -1.091 -35.545 0.000
z 0.000 0.000 -41.329
Traceless
 xyz
x 4.204 -1.091 0.000
y -1.091 2.236 0.000
z 0.000 0.000 -6.440
Polar
3z2-r2-12.879
x2-y21.312
xy-1.091
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 13.275 -4.192 0.000
y -4.192 11.193 0.000
z 0.000 0.000 4.623


<r2> (average value of r2) Å2
<r2> 246.534
(<r2>)1/2 15.701