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All results from a given calculation for C6H6 (Hexa-1,5-diene-3-yne)

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-231.844242
Energy at 298.15K-231.847953
HF Energy-231.844242
Nuclear repulsion energy174.503749
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/6-31G(2df,p)
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 3193 3160 0.00      
2 Ag 3098 3066 0.00      
3 Ag 3068 3036 0.00      
4 Ag 2238 2215 0.00      
5 Ag 1591 1574 0.00      
6 Ag 1389 1375 0.00      
7 Ag 1277 1264 0.00      
8 Ag 1047 1036 0.00      
9 Ag 708 701 0.00      
10 Ag 507 501 0.00      
11 Ag 209 207 0.00      
12 Au 977 967 29.94      
13 Au 889 880 56.71      
14 Au 665 659 7.69      
15 Au 178 176 4.54      
16 Au 58 57 0.11      
17 Bg 971 961 0.00      
18 Bg 891 882 0.00      
19 Bg 686 679 0.00      
20 Bg 366 362 0.00      
21 Bu 3193 3160 11.55      
22 Bu 3098 3066 3.42      
23 Bu 3068 3036 22.84      
24 Bu 1629 1612 26.40      
25 Bu 1415 1400 4.72      
26 Bu 1275 1262 3.03      
27 Bu 1199 1187 12.49      
28 Bu 989 978 1.91      
29 Bu 510 504 10.76      
30 Bu 106 105 1.93      

Unscaled Zero Point Vibrational Energy (zpe) 20242.9 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 20034.4 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/6-31G(2df,p)
ABC
0.87242 0.04522 0.04299

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.613 0.000
C2 0.000 -0.613 0.000
C3 0.000 2.024 0.000
C4 0.000 -2.024 0.000
C5 1.108 2.798 0.000
C6 -1.108 -2.798 0.000
H7 -0.985 2.508 0.000
H8 0.985 -2.508 0.000
H9 2.109 2.362 0.000
H10 1.031 3.887 0.000
H11 -2.109 -2.362 0.000
H12 -1.031 -3.887 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22621.41132.63752.44953.58632.13583.27292.73933.43223.64624.6165
C21.22622.63751.41133.58632.44953.27292.13583.64624.61652.73933.4322
C31.41132.63754.04881.35104.94781.09774.63822.13552.12864.86656.0005
C42.63751.41134.04884.94781.35104.63821.09774.86656.00052.13552.1286
C52.44953.58631.35104.94786.01832.11315.30721.09201.09186.07987.0184
C63.58632.44954.94781.35106.01835.30722.11316.07987.01841.09201.0918
H72.13583.27291.09774.63822.11315.30725.38923.09762.44254.99736.3950
H83.27292.13584.63821.09775.30722.11315.38924.99736.39503.09762.4425
H92.73933.64622.13554.86651.09206.07983.09764.99731.86806.33206.9927
H103.43224.61652.12866.00051.09187.01842.44256.39501.86806.99278.0424
H113.64622.73934.86652.13556.07981.09204.99733.09766.33206.99271.8680
H124.61653.43226.00052.12867.01841.09186.39502.44256.99278.04241.8680

picture of Hexa-1,5-diene-3-yne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 180.000 C1 C3 C5 124.927
C1 C3 H7 116.138 C2 C1 C3 180.000
C2 C4 C6 124.927 C2 C4 H8 116.138
C3 C5 H9 121.521 C3 C5 H10 120.877
C4 C6 H11 121.521 C4 C6 H12 120.877
C5 C3 H7 118.935 C6 C4 H8 118.935
H9 C5 H10 117.602 H11 C6 H12 117.602
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.087      
2 C 0.087      
3 C -0.160      
4 C -0.160      
5 C -0.310      
6 C -0.310      
7 H 0.123      
8 H 0.123      
9 H 0.128      
10 H 0.131      
11 H 0.128      
12 H 0.131      


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 -32.546 0.286 0.000
y 0.286 -27.283 0.000
z 0.000 0.000 -38.484
Traceless
 xyz
x 0.337 0.286 0.000
y 0.286 8.232 0.000
z 0.000 0.000 -8.569
Polar
3z2-r2-17.139
x2-y2-5.264
xy0.286
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.484 4.568 0.000
y 4.568 21.605 0.000
z 0.000 0.000 4.147


<r2> (average value of r2) Å2
<r2> 249.724
(<r2>)1/2 15.803