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

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-232.042505
Energy at 298.15K-232.045689
Nuclear repulsion energy169.908440
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 B3PW91/6-31G*
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 3044 2913 0.00      
2 A 2391 2288 0.00      
3 A 1438 1375 0.00      
4 A 1314 1257 0.00      
5 A 569 544 0.00      
6 A 8 7 0.00      
7 A 3044 2912 68.89      
8 A 2285 2186 4.71      
9 A 1429 1367 19.33      
10 A 973 931 1.86      
11 A 3115 2981 0.00      
11 A 3115 2981 0.00      
12 A 1497 1432 0.00      
12 A 1497 1432 0.00      
13 A 1058 1012 0.00      
13 A 1058 1012 0.00      
14 A 661 632 0.00      
14 A 661 632 0.00      
15 A 241 231 0.00      
15 A 241 231 0.00      
16 A 3116 2981 17.21      
16 A 3116 2981 17.22      
17 A 1497 1432 15.19      
17 A 1497 1432 15.19      
18 A 1051 1005 7.19      
18 A 1051 1005 7.19      
19 A 369 353 4.81      
19 A 369 353 4.81      
20 A 106 101 6.33      
20 A 106 101 6.33      

Unscaled Zero Point Vibrational Energy (zpe) 20956.5 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 20049.0 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 B3PW91/6-31G*
ABC
2.66403 0.03699 0.03699

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

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 1.900
C4 0.000 0.000 -1.900
C5 0.000 0.000 3.353
C6 0.000 0.000 -3.353
H7 0.000 1.023 3.749
H8 -0.886 -0.511 3.749
H9 0.886 -0.511 3.749
H10 0.000 -1.023 -3.749
H11 0.886 0.511 -3.749
H12 -0.886 0.511 -3.749

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.36661.21652.58312.66954.03613.23173.23173.23174.54874.54874.5487
C21.36662.58311.21654.03612.66954.54874.54874.54873.23173.23173.2317
C31.21652.58313.79951.45305.25252.11322.11322.11325.74055.74055.7405
C42.58311.21653.79955.25251.45305.74055.74055.74052.11322.11322.1132
C52.66954.03611.45305.25256.70551.09701.09701.09707.17497.17497.1749
C64.03612.66955.25251.45306.70557.17497.17497.17491.09701.09701.0970
H73.23174.54872.11325.74051.09707.17491.77181.77187.77187.56727.5672
H83.23174.54872.11325.74051.09707.17491.77181.77187.56727.77187.5672
H93.23174.54872.11325.74051.09707.17491.77181.77187.56727.56727.7718
H104.54873.23175.74052.11327.17491.09707.77187.56727.56721.77181.7718
H114.54873.23175.74052.11327.17491.09707.56727.77187.56721.77181.7718
H124.54873.23175.74052.11327.17491.09707.56727.56727.77181.77181.7718

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 111.166 C3 C5 H8 111.166
C3 C5 H9 111.166 C4 C6 H10 111.166
C4 C6 H11 111.166 C4 C6 H12 111.166
H7 C5 H8 107.724 H7 C5 H9 107.724
H8 C5 H9 107.724 H10 C6 H11 107.724
H10 C6 H12 107.724 H11 C6 H12 107.724
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.687     -0.133
2 C 0.687     -0.146
3 C -0.707     0.103
4 C -0.707     0.103
5 C -0.610     -0.470
6 C -0.610     -0.443
7 H 0.210     0.168
8 H 0.210     0.168
9 H 0.210     0.168
10 H 0.210     0.160
11 H 0.210     0.161
12 H 0.210     0.161


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 0.004 0.000 -0.003 0.005


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.671 0.000 0.000
y 0.000 -35.671 0.000
z 0.000 0.000 -18.668
Traceless
 xyz
x -8.501 0.000 0.000
y 0.000 -8.501 0.000
z 0.000 0.000 17.003
Polar
3z2-r234.005
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 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> 293.146
(<r2>)1/2 17.122