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: BLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at BLYP/6-31G*
 hartrees
Energy at 0K-232.035055
Energy at 298.15K-232.038827
HF Energy-232.035055
Nuclear repulsion energy173.616438
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 BLYP/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 Ag 3179 3154 0.00      
2 Ag 3095 3070 0.00      
3 Ag 3057 3032 0.00      
4 Ag 2220 2202 0.00      
5 Ag 1599 1586 0.00      
6 Ag 1418 1407 0.00      
7 Ag 1299 1289 0.00      
8 Ag 1071 1062 0.00      
9 Ag 713 708 0.00      
10 Ag 510 506 0.00      
11 Ag 226 224 0.00      
12 Au 975 967 31.53      
13 Au 881 874 61.23      
14 Au 668 662 8.31      
15 Au 186 184 3.88      
16 Au 57 57 0.06      
17 Bg 968 961 0.00      
18 Bg 882 875 0.00      
19 Bg 700 694 0.00      
20 Bg 395 392 0.00      
21 Bu 3179 3154 26.47      
22 Bu 3095 3070 11.37      
23 Bu 3057 3032 34.92      
24 Bu 1631 1617 29.46      
25 Bu 1442 1430 4.44      
26 Bu 1297 1287 2.00      
27 Bu 1202 1192 13.53      
28 Bu 1001 993 0.72      
29 Bu 517 513 8.64      
30 Bu 109 109 1.85      

Unscaled Zero Point Vibrational Energy (zpe) 20315.1 cm-1
Scaled (by 0.9919) Zero Point Vibrational Energy (zpe) 20150.5 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 BLYP/6-31G*
ABC
0.89137 0.04446 0.04234

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.023 0.614 0.000
C2 -0.023 -0.614 0.000
C3 -0.023 2.038 0.000
C4 0.023 -2.038 0.000
C5 1.070 2.844 0.000
C6 -1.070 -2.844 0.000
H7 -1.018 2.502 0.000
H8 1.018 -2.502 0.000
H9 2.084 2.437 0.000
H10 0.957 3.930 0.000
H11 -2.084 -2.437 0.000
H12 -0.957 -3.930 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22851.42482.65172.46373.62662.15563.27032.75163.44553.70784.6487
C21.22852.65171.42483.62662.46373.27032.15563.70784.64872.75163.4455
C31.42482.65174.07601.35804.99301.09734.65722.14452.13134.92676.0408
C42.65171.42484.07604.99301.35804.65721.09734.92676.04082.14452.1313
C52.46373.62661.35804.99306.07742.11515.34601.09301.09186.15127.0712
C63.62662.46374.99301.35806.07745.34602.11516.15127.07121.09301.0918
H72.15563.27031.09734.65722.11515.34605.40123.10222.43765.05256.4321
H83.27032.15564.65721.09735.34602.11515.40125.05256.43213.10222.4376
H92.75163.70782.14454.92671.09306.15123.10225.05251.87056.41327.0564
H103.44554.64872.13136.04081.09187.07122.43766.43211.87057.05648.0904
H113.70782.75164.92672.14456.15121.09305.05253.10226.41327.05641.8705
H124.64873.44556.04082.13137.07121.09186.43212.43767.05648.09041.8705

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 175.987 C1 C3 C5 124.571
C1 C3 H7 116.854 C2 C1 C3 175.987
C2 C4 C6 124.571 C2 C4 H8 116.854
C3 C5 H9 121.704 C3 C5 H10 120.527
C4 C6 H11 121.704 C4 C6 H12 120.527
C5 C3 H7 118.575 C6 C4 H8 118.575
H9 C5 H10 117.768 H11 C6 H12 117.768
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.075      
2 C 0.075      
3 C -0.200      
4 C -0.200      
5 C -0.276      
6 C -0.276      
7 H 0.135      
8 H 0.135      
9 H 0.134      
10 H 0.131      
11 H 0.134      
12 H 0.131      


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 -32.735 0.266 0.000
y 0.266 -27.749 0.000
z 0.000 0.000 -38.551
Traceless
 xyz
x 0.415 0.266 0.000
y 0.266 7.895 0.000
z 0.000 0.000 -8.309
Polar
3z2-r2-16.619
x2-y2-4.987
xy0.266
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.191 4.691 0.000
y 4.691 21.428 0.000
z 0.000 0.000 3.187


<r2> (average value of r2) Å2
<r2> 253.318
(<r2>)1/2 15.916