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, (E,E)-)

using model chemistry: HF/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at HF/STO-3G
 hartrees
Energy at 0K-230.193191
Energy at 298.15K-230.202626
Nuclear repulsion energy208.180319
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 HF/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3753 3064 0.00      
2 Ag 3710 3030 0.00      
3 Ag 3699 3020 0.00      
4 Ag 3557 2904 0.00      
5 Ag 2098 1713 0.00      
6 Ag 1829 1493 0.00      
7 Ag 1732 1414 0.00      
8 Ag 1586 1295 0.00      
9 Ag 1547 1263 0.00      
10 Ag 1368 1117 0.00      
11 Ag 1274 1040 0.00      
12 Ag 1094 893 0.00      
13 Ag 480 392 0.00      
14 Ag 370 302 0.00      
15 Au 3722 3039 1.78      
16 Au 1820 1486 4.75      
17 Au 1273 1040 0.10      
18 Au 1239 1011 21.45      
19 Au 893 729 1.41      
20 Au 237 193 0.60      
21 Au 159 130 0.04      
22 Au 102 83 0.45      
23 Bg 3722 3039 0.00      
24 Bg 1820 1486 0.00      
25 Bg 1275 1041 0.00      
26 Bg 1205 984 0.00      
27 Bg 1014 828 0.00      
28 Bg 388 316 0.00      
29 Bg 176 143 0.00      
30 Bu 3753 3064 1.34      
31 Bu 3713 3031 2.61      
32 Bu 3696 3018 87.18      
33 Bu 3557 2904 6.15      
34 Bu 2050 1674 5.73      
35 Bu 1828 1492 5.43      
36 Bu 1725 1408 34.71      
37 Bu 1550 1265 1.90      
38 Bu 1476 1205 13.65      
39 Bu 1276 1042 3.42      
40 Bu 1102 900 6.21      
41 Bu 612 499 0.02      
42 Bu 156 127 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 36815.8 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 30060.1 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 HF/STO-3G
ABC
0.77997 0.04014 0.03872

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.324 -3.181 0.000
C2 0.324 3.181 0.000
C3 0.327 0.667 0.000
C4 -0.327 -0.667 0.000
C5 -0.327 1.809 0.000
C6 0.327 -1.809 0.000
H7 -1.407 -3.098 0.000
H8 1.407 3.098 0.000
H9 -0.023 -3.750 0.878
H10 -0.023 -3.750 -0.878
H11 0.023 3.750 0.878
H12 0.023 3.750 -0.878
H13 1.411 0.662 0.000
H14 -1.411 -0.662 0.000
H15 -1.412 1.808 0.000
H16 1.412 -1.808 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C16.39583.90342.51424.99061.51911.08536.51381.08831.08836.99526.99524.21732.74365.10652.2138
C26.39582.51423.90341.51914.99066.51381.08536.99526.99521.08831.08832.74364.21732.21385.1065
C33.90342.51421.48641.31632.47644.14552.65984.51704.51703.21953.21951.08392.18852.08002.7024
C42.51423.90341.48642.47641.31632.65984.14553.21953.21954.51704.51702.18851.08392.70242.0800
C54.99061.51911.31632.47643.67715.02472.16055.63615.63612.15842.15842.08272.69871.08464.0136
C61.51914.99062.47641.31633.67712.16055.02472.15842.15845.63615.63612.69872.08274.01361.0846
H71.08536.51384.14552.65985.02472.16056.80521.76341.76347.05057.05054.69902.43604.90633.0997
H86.51381.08532.65984.14552.16055.02476.80527.05057.05051.76341.76342.43604.69903.09974.9063
H91.08836.99524.51703.21955.63612.15841.76347.05051.75527.49987.70244.72153.49735.79572.5688
H101.08836.99524.51703.21955.63612.15841.76347.05051.75527.70247.49984.72153.49735.79572.5688
H116.99521.08833.21954.51702.15845.63617.05051.76347.49987.70241.75523.49734.72152.56885.7957
H126.99521.08833.21954.51702.15845.63617.05051.76347.70247.49981.75523.49734.72152.56885.7957
H134.21732.74361.08392.18852.08272.69874.69902.43604.72154.72153.49733.49733.11773.04672.4703
H142.74364.21732.18851.08392.69872.08272.43604.69903.49733.49734.72154.72153.11772.47033.0467
H155.10652.21382.08002.70241.08464.01364.90633.09975.79575.79572.56882.56883.04672.47034.5880
H162.21385.10652.70242.08004.01361.08463.09974.90632.56882.56885.79575.79572.47033.04674.5880

picture of 2,4-Hexadiene, (E,E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C6 C4 124.772 C1 C6 H16 115.468
C2 C5 C3 124.772 C2 C5 H15 115.468
C3 C4 C6 124.047 C3 C4 H14 115.867
C3 C5 H15 119.760 C4 C3 C5 124.047
C4 C3 H13 115.867 C4 C6 H16 119.760
C5 C2 H8 111.012 C5 C2 H11 110.664
C5 C2 H12 110.664 C5 C3 H13 120.086
C6 C1 H7 111.012 C6 C1 H9 110.664
C6 C1 H10 110.664 C6 C4 H14 120.086
H7 C1 H9 108.447 H7 C1 H10 108.447
H8 C2 H11 108.447 H8 C2 H12 108.447
H9 C1 H10 107.495 H11 C2 H12 107.495
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.185      
2 C -0.185      
3 C -0.069      
4 C -0.069      
5 C -0.052      
6 C -0.052      
7 H 0.064      
8 H 0.064      
9 H 0.065      
10 H 0.065      
11 H 0.065      
12 H 0.065      
13 H 0.055      
14 H 0.055      
15 H 0.055      
16 H 0.055      


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        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.783 -0.303 0.000
y -0.303 -33.896 0.000
z 0.000 0.000 -37.331
Traceless
 xyz
x 0.830 -0.303 0.000
y -0.303 2.161 0.000
z 0.000 0.000 -2.992
Polar
3z2-r2-5.984
x2-y2-0.887
xy-0.303
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.851 -1.417 0.000
y -1.417 10.492 0.000
z 0.000 0.000 2.249


<r2> (average value of r2) Å2
<r2> 289.847
(<r2>)1/2 17.025