return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-232.102711
Energy at 298.15K-232.106408
HF Energy-232.102711
Nuclear repulsion energy174.847965
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 mPW1PW91/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3286 3149 0.00      
2 Ag 3185 3052 0.00      
3 Ag 3176 3044 0.00      
4 Ag 2325 2228 0.00      
5 Ag 1664 1594 0.00      
6 Ag 1428 1368 0.00      
7 Ag 1314 1259 0.00      
8 Ag 1074 1029 0.00      
9 Ag 721 691 0.00      
10 Ag 491 471 0.00      
11 Ag 198 190 0.00      
12 Au 1003 962 33.52      
13 Au 956 916 84.81      
14 Au 686 657 11.58      
15 Au 169 162 7.40      
16 Au 47 46 0.16      
17 Bg 999 958 0.00      
18 Bg 956 916 0.00      
19 Bg 693 664 0.00      
20 Bg 301 289 0.00      
21 Bu 3286 3149 10.33      
22 Bu 3185 3052 11.52      
23 Bu 3176 3044 10.93      
24 Bu 1698 1627 40.44      
25 Bu 1451 1391 6.91      
26 Bu 1312 1257 3.92      
27 Bu 1225 1174 15.14      
28 Bu 1014 972 1.31      
29 Bu 522 500 13.18      
30 Bu 108 104 2.77      

Unscaled Zero Point Vibrational Energy (zpe) 20824.4 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 19956.0 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 mPW1PW91/aug-cc-pVDZ
ABC
0.87075 0.04540 0.04315

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.610 0.000
C2 0.000 -0.610 0.000
C3 0.000 2.029 0.000
C4 0.000 -2.029 0.000
C5 1.108 2.787 0.000
C6 -1.108 -2.787 0.000
H7 -0.980 2.512 0.000
H8 0.980 -2.512 0.000
H9 2.102 2.343 0.000
H10 1.037 3.873 0.000
H11 -2.102 -2.343 0.000
H12 -1.037 -3.873 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21991.41892.63882.44303.57332.13953.27202.72453.42413.62504.6015
C21.21992.63881.41893.57332.44303.27202.13953.62504.60152.72453.4241
C31.41892.63884.05781.34274.94191.09254.64532.12542.11604.85135.9925
C42.63881.41894.05784.94191.34274.64531.09254.85135.99252.12542.1160
C52.44303.57331.34274.94195.99872.10615.30061.08851.08826.05206.9973
C63.57332.44304.94191.34275.99875.30062.10616.05206.99731.08851.0882
H72.13953.27201.09254.64532.10615.30065.39243.08652.43364.98326.3852
H83.27202.13954.64531.09255.30062.10615.39244.98326.38523.08652.4336
H92.72453.62502.12544.85131.08856.05203.08654.98321.86376.29596.9642
H103.42414.60152.11605.99251.08826.99732.43366.38521.86376.96428.0193
H113.62502.72454.85132.12546.05201.08854.98323.08656.29596.96421.8637
H124.60153.42415.99252.11606.99731.08826.38522.43366.96428.01931.8637

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 124.387
C1 C3 H7 116.235 C2 C1 C3 180.000
C2 C4 C6 124.387 C2 C4 H8 116.235
C3 C5 H9 121.551 C3 C5 H10 120.662
C4 C6 H11 121.551 C4 C6 H12 120.662
C5 C3 H7 119.378 C6 C4 H8 119.378
H9 C5 H10 117.786 H11 C6 H12 117.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.140      
2 C -0.140      
3 C 1.021      
4 C 1.021      
5 C 0.473      
6 C 0.473      
7 H -0.568      
8 H -0.568      
9 H -0.393      
10 H -0.393      
11 H -0.393      
12 H -0.393      


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 -32.958 0.537 0.000
y 0.537 -27.508 0.000
z 0.000 0.000 -40.119
Traceless
 xyz
x 0.855 0.537 0.000
y 0.537 9.031 0.000
z 0.000 0.000 -9.886
Polar
3z2-r2-19.772
x2-y2-5.450
xy0.537
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.846 4.568 0.000
y 4.568 21.866 0.000
z 0.000 0.000 7.092


<r2> (average value of r2) Å2
<r2> 249.270
(<r2>)1/2 15.788