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All results from a given calculation for C6H6 (2,4-Hexadiyne)

using model chemistry: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-231.873847
Energy at 298.15K-231.876935
Nuclear repulsion energy169.586254
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/6-311G*
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 2954 2923 0.00      
2 A 2298 2274 0.00      
3 A 1381 1367 0.00      
4 A 1292 1278 0.00      
5 A 557 551 0.00      
6 A 23 23 0.00      
7 A 2953 2922 85.29      
8 A 2199 2176 7.87      
9 A 1370 1356 11.52      
10 A 951 941 5.45      
11 A 3014 2983 21.61      
11 A 3014 2983 21.61      
12 A 1440 1425 17.20      
12 A 1440 1425 17.20      
13 A 1013 1003 5.63      
13 A 1013 1003 5.63      
14 A 361 357 7.55      
14 A 361 357 7.55      
15 A 100 99 7.42      
15 A 100 99 7.42      
16 A 3014 2983 0.00      
16 A 3014 2983 0.00      
17 A 1440 1425 0.00      
17 A 1440 1425 0.00      
18 A 1009 998 0.00      
18 A 1009 998 0.00      
19 A 617 611 0.00      
19 A 617 611 0.00      
20 A 236 234 0.00      
20 A 236 234 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20233.0 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 20022.6 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/6-311G*
ABC
2.64207 0.03690 0.03690

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.680
C2 0.000 0.000 -0.680
C3 0.000 0.000 1.904
C4 0.000 0.000 -1.904
C5 0.000 0.000 3.355
C6 0.000 0.000 -3.355
H7 0.000 1.027 3.757
H8 -0.890 -0.514 3.757
H9 0.890 -0.514 3.757
H10 0.000 1.027 -3.757
H11 0.890 -0.514 -3.757
H12 -0.890 -0.514 -3.757

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.36041.22402.58442.67534.03563.24373.24373.24374.55454.55454.5545
C21.36042.58441.22404.03562.67534.55454.55454.55453.24373.24373.2437
C31.22402.58443.80851.45125.25972.11842.11842.11845.75365.75365.7536
C42.58441.22403.80855.25971.45125.75365.75365.75362.11842.11842.1184
C52.67534.03561.45125.25976.71091.10291.10291.10297.18627.18627.1862
C64.03562.67535.25971.45126.71097.18627.18627.18621.10291.10291.1029
H73.24374.55452.11845.75361.10297.18621.77921.77927.51397.72177.7217
H83.24374.55452.11845.75361.10297.18621.77921.77927.72177.72177.5139
H93.24374.55452.11845.75361.10297.18621.77921.77927.72177.51397.7217
H104.55453.24375.75362.11847.18621.10297.51397.72177.72171.77921.7792
H114.55453.24375.75362.11847.18621.10297.72177.72177.51391.77921.7792
H124.55453.24375.75362.11847.18621.10297.72177.51397.72171.77921.7792

picture of 2,4-Hexadiyne 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 180.000
C2 C1 C3 180.000 C2 C4 C6 180.000
C3 C5 H7 111.349 C3 C5 H8 111.349
C3 C5 H9 111.349 C4 C6 H10 111.349
C4 C6 H11 111.349 C4 C6 H12 111.349
H7 C5 H8 107.530 H7 C5 H9 107.530
H8 C5 H9 107.530 H10 C6 H11 107.530
H10 C6 H12 107.530 H11 C6 H12 107.530
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.241      
2 C -0.241      
3 C 0.166      
4 C 0.166      
5 C -0.687      
6 C -0.687      
7 H 0.254      
8 H 0.254      
9 H 0.254      
10 H 0.254      
11 H 0.254      
12 H 0.254      


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 -36.659 0.000 0.000
y 0.000 -36.659 0.000
z 0.000 0.000 -19.017
Traceless
 xyz
x -8.821 0.000 0.000
y 0.000 -8.821 0.000
z 0.000 0.000 17.642
Polar
3z2-r235.285
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.511 0.000 0.000
y 0.000 5.511 0.000
z 0.000 0.000 22.710


<r2> (average value of r2) Å2
<r2> 294.415
(<r2>)1/2 17.159