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: B1B95/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B1B95/TZVP
 hartrees
Energy at 0K-232.097147
Energy at 298.15K-232.101066
HF Energy-232.097147
Nuclear repulsion energy176.056993
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3276 3135 0.00      
2 Ag 3182 3045 0.00      
3 Ag 3169 3033 0.00      
4 Ag 2331 2231 0.00      
5 Ag 1671 1599 0.00      
6 Ag 1442 1380 0.00      
7 Ag 1327 1270 0.00      
8 Ag 1090 1043 0.00      
9 Ag 729 698 0.00      
10 Ag 548 525 0.00      
11 Ag 230 220 0.00      
12 Au 1017 973 32.48      
13 Au 958 917 96.49      
14 Au 688 659 12.31      
15 Au 181 173 7.63      
16 Au 47 45 0.15      
17 Bg 1013 969 0.00      
18 Bg 958 917 0.00      
19 Bg 717 686 0.00      
20 Bg 383 366 0.00      
21 Bu 3276 3135 11.48      
22 Bu 3182 3045 6.46      
23 Bu 3170 3033 15.75      
24 Bu 1702 1629 34.63      
25 Bu 1463 1400 5.78      
26 Bu 1325 1268 3.76      
27 Bu 1225 1172 17.85      
28 Bu 1021 977 1.72      
29 Bu 530 507 10.63      
30 Bu 110 105 2.88      

Unscaled Zero Point Vibrational Energy (zpe) 20980.8 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 20076.5 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/TZVP
ABC
0.88454 0.04600 0.04373

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.604 0.000
C2 0.000 -0.604 0.000
C3 0.000 2.016 0.000
C4 0.000 -2.016 0.000
C5 1.099 2.770 0.000
C6 -1.099 -2.770 0.000
H7 -0.974 2.494 0.000
H8 0.974 -2.494 0.000
H9 2.086 2.330 0.000
H10 1.030 3.848 0.000
H11 -2.086 -2.330 0.000
H12 -1.030 -3.848 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.20781.41232.62012.42863.54802.12603.24712.70763.40343.59994.5692
C21.20782.62011.41233.54802.42863.24712.12603.59994.56922.70763.4034
C31.41232.62014.03231.33254.91031.08464.61392.10952.10134.82085.9536
C42.62011.41234.03234.91031.33254.61391.08464.82085.95362.10952.1013
C52.42863.54801.33254.91035.95942.09105.26491.08051.08026.01256.9514
C63.54802.42864.91031.33255.95945.26492.09106.01256.95141.08051.0802
H72.12603.24711.08464.61392.09105.26495.35433.06422.41854.95036.3417
H83.24712.12604.61391.08465.26492.09105.35434.95036.34173.06422.4185
H92.70763.59992.10954.82081.08056.01253.06424.95031.84886.25476.9191
H103.40344.56922.10135.95361.08026.95142.41856.34171.84886.91917.9663
H113.59992.70764.82082.10956.01251.08054.95033.06426.25476.91911.8488
H124.56923.40345.95362.10136.95141.08026.34172.41856.91917.96631.8488

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 124.435
C1 C3 H7 116.127 C2 C1 C3 180.000
C2 C4 C6 124.435 C2 C4 H8 116.127
C3 C5 H9 121.557 C3 C5 H10 120.786
C4 C6 H11 121.557 C4 C6 H12 120.786
C5 C3 H7 119.439 C6 C4 H8 119.439
H9 C5 H10 117.657 H11 C6 H12 117.657
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.064      
2 C 0.064      
3 C -0.216      
4 C -0.216      
5 C -0.262      
6 C -0.262      
7 H 0.149      
8 H 0.149      
9 H 0.140      
10 H 0.126      
11 H 0.140      
12 H 0.126      


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 -32.830 0.462 0.000
y 0.462 -27.321 0.000
z 0.000 0.000 -39.845
Traceless
 xyz
x 0.753 0.462 0.000
y 0.462 9.016 0.000
z 0.000 0.000 -9.770
Polar
3z2-r2-19.539
x2-y2-5.509
xy0.462
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.963 4.533 0.000
y 4.533 20.367 0.000
z 0.000 0.000 5.469


<r2> (average value of r2) Å2
<r2> 246.142
(<r2>)1/2 15.689