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All results from a given calculation for C6H4 ((E)-Hexa-1,5-diyne-3-ene)

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1Ag
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-230.866852
Energy at 298.15K-230.868023
HF Energy-230.866852
Nuclear repulsion energy162.268683
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 wB97X-D/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 3487 3330 0.00      
2 Ag 3199 3055 0.00      
3 Ag 2239 2138 0.00      
4 Ag 1695 1618 0.00      
5 Ag 1328 1269 0.00      
6 Ag 1035 988 0.00      
7 Ag 723 690 0.00      
8 Ag 533 509 0.00      
9 Ag 249 238 0.00      
10 Au 977 933 50.73      
11 Au 668 638 95.68      
12 Au 526 503 14.69      
13 Au 115 110 2.32      
14 Bg 877 838 0.00      
15 Bg 668 638 0.00      
16 Bg 350 334 0.00      
17 Bu 3486 3329 193.74      
18 Bu 3205 3061 8.51      
19 Bu 2255 2153 1.86      
20 Bu 1292 1233 0.54      
21 Bu 1041 994 15.91      
22 Bu 723 691 97.93      
23 Bu 522 498 20.39      
24 Bu 134 128 1.37      

Unscaled Zero Point Vibrational Energy (zpe) 15662.5 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 14957.7 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 wB97X-D/TZVP
ABC
1.57729 0.04882 0.04736

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.335 0.579 0.000
C2 0.335 -0.579 0.000
C3 0.335 1.825 0.000
C4 -0.335 -1.825 0.000
H5 -1.402 0.582 0.000
H6 1.402 -0.582 0.000
C7 0.881 2.895 0.000
C8 -0.881 -2.895 0.000
H9 1.408 3.813 0.000
H10 -1.408 -3.813 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 C7 C8 H9 H10
C11.33791.41452.40401.06722.08942.61603.51713.67344.5209
C21.33792.40401.41452.08941.06723.51712.61604.52093.6734
C31.41452.40403.71072.13592.63281.20174.87442.25895.9008
C42.40401.41453.71072.63282.13594.87441.20175.90082.2589
H51.06722.08942.13592.63283.03623.25033.51624.28194.3945
H62.08941.06722.63282.13593.03623.51623.25034.39454.2819
C72.61603.51711.20174.87443.25033.51626.05291.05797.0878
C83.51712.61604.87441.20173.51623.25036.05297.08781.0579
H93.67344.52092.25895.90084.28194.39451.05797.08788.1286
H104.52093.67345.90082.25894.39454.28197.08781.05798.1286

picture of (E)-Hexa-1,5-diyne-3-ene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 121.687 C1 C2 H6 120.202
C1 C3 C7 178.756 C2 C1 C3 121.687
C2 C1 H5 120.202 C2 C4 C8 178.756
C3 C1 H5 118.111 C3 C7 H9 177.123
C4 C2 H6 118.111 C4 C8 H10 177.123
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.238      
2 C -0.238      
3 C -0.047      
4 C -0.047      
5 H 0.180      
6 H 0.180      
7 C -0.074      
8 C -0.074      
9 H 0.179      
10 H 0.179      


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 -32.163 4.106 0.000
y 4.106 -26.157 0.000
z 0.000 0.000 -37.941
Traceless
 xyz
x -0.114 4.106 0.000
y 4.106 8.895 0.000
z 0.000 0.000 -8.781
Polar
3z2-r2-17.562
x2-y2-6.006
xy4.106
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.395 3.505 0.000
y 3.505 19.693 0.000
z 0.000 0.000 4.903


<r2> (average value of r2) Å2
<r2> 217.001
(<r2>)1/2 14.731