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All results from a given calculation for C6H8 ((Z)-hexa-1,3,5-triene)

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 C2V 1A1
Energy calculated at BLYP/3-21G
 hartrees
Energy at 0K-231.993347
Energy at 298.15K-232.000444
Nuclear repulsion energy195.025885
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 A1 3161 3144 34.22      
2 A1 3095 3078 31.05      
3 A1 3082 3065 5.43      
4 A1 3075 3059 0.70      
5 A1 1614 1605 0.02      
6 A1 1573 1564 0.00      
7 A1 1445 1437 0.13      
8 A1 1351 1344 3.67      
9 A1 1292 1285 0.48      
10 A1 1106 1099 1.07      
11 A1 873 869 0.03      
12 A1 397 395 0.00      
13 A1 164 163 0.03      
14 A2 1014 1008 0.00      
15 A2 952 947 0.00      
16 A2 899 894 0.00      
17 A2 714 710 0.00      
18 A2 321 319 0.00      
19 A2 157 156 0.00      
20 B1 1004 998 38.76      
21 B1 902 897 106.85      
22 B1 821 816 2.07      
23 B1 588 585 28.43      
24 B1 104 103 0.31      
25 B2 3160 3143 0.39      
26 B2 3080 3063 0.62      
27 B2 3076 3059 12.16      
28 B2 3060 3043 0.11      
29 B2 1622 1613 8.67      
30 B2 1493 1485 5.21      
31 B2 1402 1394 0.02      
32 B2 1318 1311 0.16      
33 B2 1202 1195 3.99      
34 B2 963 957 4.13      
35 B2 691 687 0.01      
36 B2 354 352 8.97      

Unscaled Zero Point Vibrational Energy (zpe) 25561.1 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 25420.5 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
0.49077 0.05155 0.04665

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.684 0.768
C2 0.000 -0.684 0.768
C3 0.000 1.559 -0.401
C4 0.000 -1.559 -0.401
C5 0.000 2.911 -0.327
C6 0.000 -2.911 -0.327
H7 0.000 1.195 1.737
H8 0.000 -1.195 1.737
H9 0.000 1.084 -1.387
H10 0.000 -1.084 -1.387
H11 0.000 3.430 0.635
H12 0.000 -3.430 0.635
H13 0.000 3.536 -1.222
H14 0.000 -3.536 -1.222

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.36791.45962.52872.48163.75791.09542.11402.19122.78672.74934.11623.47754.6655
C21.36792.52871.45963.75792.48162.11401.09542.78672.19124.11622.74934.66553.4775
C31.45962.52873.11711.35424.46992.16833.48581.09422.82012.13915.09512.14125.1604
C42.52871.45963.11714.46991.35423.48582.16832.82011.09425.09512.13915.16042.1412
C52.48163.75791.35424.46995.82162.68424.59532.11204.13251.09366.41351.09136.5087
C63.75792.48164.46991.35425.82164.59532.68424.13252.11206.41351.09366.50871.0913
H71.09542.11402.16833.48582.68424.59532.38983.12543.86612.49194.75443.77285.5799
H82.11401.09543.48582.16834.59532.68422.38983.86613.12544.75442.49195.57993.7728
H92.19122.78671.09422.82012.11204.13253.12543.86612.16733.09734.94582.45814.6227
H102.78672.19122.82011.09424.13252.11203.86613.12542.16734.94583.09734.62272.4581
H112.74934.11622.13915.09511.09366.41352.49194.75443.09734.94586.86021.85987.2094
H124.11622.74935.09512.13916.41351.09364.75442.49194.94583.09736.86027.20941.8598
H133.47754.66552.14125.16041.09136.50873.77285.57992.45814.62271.85987.20947.0723
H144.66553.47755.16042.14126.50871.09135.57993.77284.62272.45817.20941.85987.0723

picture of (Z)-hexa-1,3,5-triene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 126.811 C1 C2 H8 117.802
C1 C3 C5 123.702 C1 C3 H9 117.466
C2 C1 C3 126.811 C2 C1 H7 117.802
C2 C4 C6 123.702 C2 C4 H10 117.466
C3 C1 H7 115.386 C3 C5 H11 121.458
C3 C5 H13 121.855 C4 C2 H8 115.386
C4 C6 H12 121.458 C4 C6 H14 121.855
C5 C3 H9 118.832 C6 C4 H10 118.832
H11 C5 H13 116.688 H12 C6 H14 116.688
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.166      
2 C -0.166      
3 C -0.169      
4 C -0.169      
5 C -0.342      
6 C -0.342      
7 H 0.165      
8 H 0.165      
9 H 0.169      
10 H 0.169      
11 H 0.170      
12 H 0.170      
13 H 0.174      
14 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 -0.054 0.054
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.788 0.000 0.000
y 0.000 -33.161 0.000
z 0.000 0.000 -33.263
Traceless
 xyz
x -8.576 0.000 0.000
y 0.000 4.365 0.000
z 0.000 0.000 4.211
Polar
3z2-r28.422
x2-y2-8.627
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 236.665
(<r2>)1/2 15.384