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

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-230.802397
Energy at 298.15K-230.803788
HF Energy-230.802397
Nuclear repulsion energy166.119290
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3491 3325 71.95      
2 A1 3231 3078 6.69      
3 A1 2236 2130 1.63      
4 A1 1689 1609 4.13      
5 A1 1257 1198 0.33      
6 A1 905 862 4.35      
7 A1 670 639 31.22      
8 A1 455 433 8.89      
9 A1 105 100 0.32      
10 A2 995 947 0.00      
11 A2 685 652 0.00      
12 A2 626 596 0.00      
13 A2 235 224 0.00      
14 B1 786 749 35.44      
15 B1 685 652 114.20      
16 B1 381 363 30.89      
17 B2 3490 3325 70.61      
18 B2 3214 3062 2.46      
19 B2 2250 2144 0.78      
20 B2 1431 1363 2.75      
21 B2 1044 994 16.70      
22 B2 745 709 3.27      
23 B2 668 636 77.12      
24 B2 257 245 8.56      

Unscaled Zero Point Vibrational Energy (zpe) 15764.3 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 15017.0 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 wB97X-D/cc-pVDZ
ABC
0.23556 0.08537 0.06266

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.674 1.118
C2 0.000 -0.674 1.118
C3 0.000 1.453 -0.065
C4 0.000 -1.453 -0.065
H5 0.000 1.194 2.051
H6 0.000 -1.194 2.051
C7 0.000 2.132 -1.068
C8 0.000 -2.132 -1.068
H9 0.000 2.702 -1.961
H10 0.000 -2.702 -1.961

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 C7 C8 H9 H10
C11.34701.41712.43381.06832.08772.62743.55613.68684.5684
C21.34702.43381.41712.08771.06833.55612.62744.56843.6868
C31.41712.43382.90652.13193.38931.21033.72242.26974.5668
C42.43381.41712.90653.38932.13193.72241.21034.56682.2697
H51.06832.08772.13193.38932.38853.25634.55924.28555.5921
H62.08771.06833.38932.13192.38854.55923.25635.59214.2855
C72.62743.55611.21033.72243.25634.55924.26341.05954.9152
C83.55612.62743.72241.21034.55923.25634.26344.91521.0595
H93.68684.56842.26974.56684.28555.59211.05954.91525.4032
H104.56843.68684.56682.26975.59214.28554.91521.05955.4032

picture of (Z)-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 123.383 C1 C2 H6 119.172
C1 C3 C7 179.287 C2 C1 C3 123.383
C2 C1 H5 119.172 C2 C4 C8 179.287
C3 C1 H5 117.446 C3 C7 H9 178.442
C4 C2 H6 117.446 C4 C8 H10 178.442
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.293      
2 C -0.293      
3 C -0.122      
4 C -0.122      
5 H 0.189      
6 H 0.189      
7 C -0.029      
8 C -0.029      
9 H 0.254      
10 H 0.254      


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 0.154 0.154
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.294 0.000 0.000
y 0.000 -31.104 0.000
z 0.000 0.000 -26.503
Traceless
 xyz
x -9.491 0.000 0.000
y 0.000 1.295 0.000
z 0.000 0.000 8.196
Polar
3z2-r216.391
x2-y2-7.191
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.265 0.000 0.000
y 0.000 14.631 0.000
z 0.000 0.000 10.790


<r2> (average value of r2) Å2
<r2> 171.548
(<r2>)1/2 13.098