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

using model chemistry: HF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at HF/cc-pVDZ
 hartrees
Energy at 0K-230.608700
Energy at 298.15K-230.612207
Nuclear repulsion energy170.130010
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 HF/cc-pVDZ
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 3192 2898 0.00      
2 A 2607 2367 0.00      
3 A 1522 1382 0.00      
4 A 1329 1207 0.00      
5 A 581 527 0.00      
6 A 11 10 0.00      
7 A 3191 2898 70.85      
8 A 2470 2243 4.17      
9 A 1514 1375 26.98      
10 A 996 905 0.23      
11 A 3272 2971 21.92      
11 A 3272 2971 21.92      
12 A 1574 1429 15.93      
12 A 1574 1429 15.93      
13 A 1140 1035 1.17      
13 A 1140 1035 1.17      
14 A 439 399 4.50      
14 A 439 399 4.50      
15 A 110 100 7.00      
15 A 110 100 7.00      
16 A 3272 2971 0.00      
16 A 3272 2971 0.00      
17 A 1574 1429 0.00      
17 A 1574 1429 0.00      
18 A 1135 1031 0.00      
18 A 1135 1031 0.00      
19 A 619 562 0.00      
19 A 619 562 0.00      
20 A 278 253 0.00      
20 A 278 253 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 22120.1 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 20085.0 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 HF/cc-pVDZ
ABC
2.67263 0.03698 0.03698

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVDZ

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.696
C2 0.000 0.000 -0.696
C3 0.000 0.000 1.891
C4 0.000 0.000 -1.891
C5 0.000 0.000 3.358
C6 0.000 0.000 -3.358
H7 0.000 1.021 3.740
H8 -0.884 -0.511 3.740
H9 0.884 -0.511 3.740
H10 0.000 1.021 -3.740
H11 0.884 -0.511 -3.740
H12 -0.884 -0.511 -3.740

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.39231.19532.58762.66164.05393.21023.21023.21024.55184.55184.5518
C21.39232.58761.19534.05392.66164.55184.55184.55183.21023.21023.2102
C31.19532.58763.78291.46635.24922.11162.11162.11165.72295.72295.7229
C42.58761.19533.78295.24921.46635.72295.72295.72292.11162.11162.1116
C52.66164.05391.46635.24926.71551.09041.09041.09047.17047.17047.1704
C64.05392.66165.24921.46636.71557.17047.17047.17041.09041.09041.0904
H73.21024.55182.11165.72291.09047.17041.76901.76907.47927.68557.6855
H83.21024.55182.11165.72291.09047.17041.76901.76907.68557.68557.4792
H93.21024.55182.11165.72291.09047.17041.76901.76907.68557.47927.6855
H104.55183.21025.72292.11167.17041.09047.47927.68557.68551.76901.7690
H114.55183.21025.72292.11167.17041.09047.68557.68557.47921.76901.7690
H124.55183.21025.72292.11167.17041.09047.68557.47927.68551.76901.7690

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 110.500 C3 C5 H8 110.500
C3 C5 H9 110.500 C4 C6 H10 110.500
C4 C6 H11 110.500 C4 C6 H12 110.500
H7 C5 H8 108.423 H7 C5 H9 108.423
H8 C5 H9 108.423 H10 C6 H11 108.423
H10 C6 H12 108.423 H11 C6 H12 108.423
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.250 -0.021    
2 C 0.250 -0.021    
3 C -0.456 -0.206    
4 C -0.456 -0.206    
5 C -0.006 0.254    
6 C -0.006 0.254    
7 H 0.071 -0.009    
8 H 0.071 -0.010    
9 H 0.071 -0.010    
10 H 0.071 -0.009    
11 H 0.071 -0.010    
12 H 0.071 -0.010    


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 -36.939 0.000 0.000
y 0.000 -36.939 0.000
z 0.000 0.000 -19.263
Traceless
 xyz
x -8.838 0.000 0.000
y 0.000 -8.838 0.000
z 0.000 0.000 17.676
Polar
3z2-r235.353
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 5.350 0.000 0.000
y 0.000 5.350 0.000
z 0.000 0.000 18.090


<r2> (average value of r2) Å2
<r2> 293.598
(<r2>)1/2 17.135