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

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-232.015756
Energy at 298.15K-232.019020
Nuclear repulsion energy170.250879
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 B1B95/6-31G*
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 3067 2912 0.00      
2 A 2417 2295 0.00      
3 A 1441 1368 0.00      
4 A 1318 1251 0.00      
5 A 571 542 0.00      
6 A 24 22 0.00      
7 A 3067 2911 60.69      
8 A 2308 2191 5.24      
9 A 1432 1359 19.00      
10 A 980 930 1.71      
11 A 3141 2982 0.00      
11 A 3141 2982 0.00      
12 A 1502 1426 0.00      
12 A 1502 1426 0.00      
13 A 1059 1006 0.00      
13 A 1059 1006 0.00      
14 A 673 639 0.00      
14 A 673 639 0.00      
15 A 245 233 0.00      
15 A 245 233 0.00      
16 A 3141 2982 15.39      
16 A 3141 2982 15.39      
17 A 1502 1426 14.83      
17 A 1502 1426 14.82      
18 A 1053 999 6.55      
18 A 1053 999 6.55      
19 A 377 358 4.68      
19 A 377 358 4.68      
20 A 107 101 6.16      
20 A 107 101 6.16      

Unscaled Zero Point Vibrational Energy (zpe) 21112.1 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 20041.7 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 B1B95/6-31G*
ABC
2.67725 0.03712 0.03712

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is D3d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.683
C2 0.000 0.000 -0.683
C3 0.000 0.000 1.896
C4 0.000 0.000 -1.896
C5 0.000 0.000 3.347
C6 0.000 0.000 -3.347
H7 0.000 1.020 3.741
H8 -0.884 -0.510 3.741
H9 0.884 -0.510 3.741
H10 0.000 -1.020 -3.741
H11 0.884 0.510 -3.741
H12 -0.884 0.510 -3.741

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.36691.21292.57982.66344.03033.22303.22303.22304.54034.54034.5403
C21.36692.57981.21294.03032.66344.54034.54034.54033.22303.22303.2230
C31.21292.57983.79261.45055.24312.10782.10782.10785.72865.72865.7286
C42.57981.21293.79265.24311.45055.72865.72865.72862.10782.10782.1078
C52.66344.03031.45055.24316.69371.09381.09381.09387.16067.16067.1606
C64.03032.66345.24311.45056.69377.16067.16067.16061.09381.09381.0938
H73.22304.54032.10785.72861.09387.16061.76741.76747.75477.55067.5506
H83.22304.54032.10785.72861.09387.16061.76741.76747.55067.75477.5506
H93.22304.54032.10785.72861.09387.16061.76741.76747.55067.55067.7547
H104.54033.22305.72862.10787.16061.09387.75477.55067.55061.76741.7674
H114.54033.22305.72862.10787.16061.09387.55067.75477.55061.76741.7674
H124.54033.22305.72862.10787.16061.09387.55067.55067.75471.76741.7674

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 111.103 C3 C5 H8 111.103
C3 C5 H9 111.103 C4 C6 H10 111.103
C4 C6 H11 111.103 C4 C6 H12 111.103
H7 C5 H8 107.791 H7 C5 H9 107.791
H8 C5 H9 107.791 H10 C6 H11 107.791
H10 C6 H12 107.791 H11 C6 H12 107.791
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.674      
2 C 0.674      
3 C -0.728      
4 C -0.728      
5 C -0.557      
6 C -0.557      
7 H 0.204      
8 H 0.204      
9 H 0.204      
10 H 0.204      
11 H 0.204      
12 H 0.204      


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 -35.629 0.000 0.000
y 0.000 -35.629 0.000
z 0.000 0.000 -18.846
Traceless
 xyz
x -8.391 0.000 0.000
y 0.000 -8.391 0.000
z 0.000 0.000 16.783
Polar
3z2-r233.566
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 4.879 0.000 0.000
y 0.000 4.879 0.000
z 0.000 0.000 20.189


<r2> (average value of r2) Å2
<r2> 292.134
(<r2>)1/2 17.092