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: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-232.108020
Energy at 298.15K-232.111903
HF Energy-232.108020
Nuclear repulsion energy173.365863
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 B3LYP/LANL2DZ
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 3282 3155 0.00      
2 Ag 3175 3052 0.00      
3 Ag 3160 3037 0.00      
4 Ag 2294 2205 0.00      
5 Ag 1641 1577 0.00      
6 Ag 1453 1397 0.00      
7 Ag 1323 1271 0.00      
8 Ag 1101 1058 0.00      
9 Ag 720 693 0.00      
10 Ag 527 506 0.00      
11 Ag 222 213 0.00      
12 Au 1026 987 11.64      
13 Au 1001 962 200.55      
14 Au 696 669 14.97      
15 Au 183 176 9.90      
16 Au 49 47 0.08      
17 Bg 1022 983 0.00      
18 Bg 998 960 0.00      
19 Bg 720 693 0.00      
20 Bg 391 376 0.00      
21 Bu 3282 3155 37.75      
22 Bu 3175 3052 16.19      
23 Bu 3160 3038 26.38      
24 Bu 1674 1609 43.52      
25 Bu 1476 1419 9.32      
26 Bu 1322 1271 1.46      
27 Bu 1223 1176 30.01      
28 Bu 1028 988 4.32      
29 Bu 533 512 7.09      
30 Bu 106 102 3.64      

Unscaled Zero Point Vibrational Energy (zpe) 20981.8 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 20167.7 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 B3LYP/LANL2DZ
ABC
0.87025 0.04440 0.04225

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.615 0.000
C2 0.000 -0.615 0.000
C3 0.000 2.045 0.000
C4 0.000 -2.045 0.000
C5 1.112 2.825 0.000
C6 -1.112 -2.825 0.000
H7 -0.981 2.525 0.000
H8 0.981 -2.525 0.000
H9 2.111 2.396 0.000
H10 1.033 3.909 0.000
H11 -2.111 -2.396 0.000
H12 -1.033 -3.909 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.23091.43002.66092.47383.61592.14623.28952.76113.45223.67724.6413
C21.23092.66091.43003.61592.47383.28952.14623.67724.64132.76113.4522
C31.43002.66094.09091.35824.99601.09134.67402.13942.13124.91726.0438
C42.66091.43004.09094.99601.35824.67401.09134.91726.04382.13942.1312
C52.47383.61591.35824.99606.07232.11415.35131.08701.08706.13547.0680
C63.61592.47384.99601.35826.07235.35132.11416.13547.06801.08701.0870
H72.14623.28951.09134.67402.11415.35135.41653.09382.44415.04846.4341
H83.28952.14624.67401.09135.35132.11415.41655.04846.43413.09382.4441
H92.76113.67722.13944.91721.08706.13543.09385.04841.85786.38567.0455
H103.45224.64132.13126.04381.08707.06802.44416.43411.85787.04558.0873
H113.67722.76114.91722.13946.13541.08705.04843.09386.38567.04551.8578
H124.64133.45226.04382.13127.06801.08706.43412.44417.04558.08731.8578

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 125.038
C1 C3 H7 116.040 C2 C1 C3 180.000
C2 C4 C6 125.038 C2 C4 H8 116.040
C3 C5 H9 121.691 C3 C5 H10 120.890
C4 C6 H11 121.691 C4 C6 H12 120.890
C5 C3 H7 118.922 C6 C4 H8 118.922
H9 C5 H10 117.420 H11 C6 H12 117.420
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.014      
2 C -0.014      
3 C -0.127      
4 C -0.127      
5 C -0.519      
6 C -0.519      
7 H 0.220      
8 H 0.220      
9 H 0.227      
10 H 0.212      
11 H 0.227      
12 H 0.212      


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 -32.352 0.392 0.000
y 0.392 -26.544 0.000
z 0.000 0.000 -40.205
Traceless
 xyz
x 1.022 0.392 0.000
y 0.392 9.734 0.000
z 0.000 0.000 -10.757
Polar
3z2-r2-21.513
x2-y2-5.808
xy0.392
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.114 4.870 0.000
y 4.870 20.004 0.000
z 0.000 0.000 3.870


<r2> (average value of r2) Å2
<r2> 253.762
(<r2>)1/2 15.930