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

using model chemistry: B3LYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/Def2TZVPP
 hartrees
Energy at 0K-230.978938
Energy at 298.15K-230.980226
HF Energy-230.978938
Nuclear repulsion energy166.351104
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/Def2TZVPP
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 3472 3342 69.70      
2 A1 3170 3051 6.18      
3 A1 2190 2108 0.83      
4 A1 1631 1570 3.63      
5 A1 1248 1201 0.08      
6 A1 893 860 3.53      
7 A1 681 655 27.34      
8 A1 449 432 7.40      
9 A1 106 102 0.20      
10 A2 977 940 0.00      
11 A2 658 634 0.00      
12 A2 591 569 0.00      
13 A2 226 217 0.00      
14 B1 774 745 21.64      
15 B1 661 636 87.89      
16 B1 356 342 25.61      
17 B2 3472 3342 78.08      
18 B2 3154 3036 1.64      
19 B2 2208 2125 0.43      
20 B2 1426 1372 2.15      
21 B2 1039 1001 12.75      
22 B2 743 715 5.52      
23 B2 679 653 55.64      
24 B2 254 244 6.26      

Unscaled Zero Point Vibrational Energy (zpe) 15527.4 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 14946.6 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/Def2TZVPP
ABC
0.24526 0.08305 0.06204

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.673 1.106
C2 0.000 -0.673 1.106
C3 0.000 1.458 -0.066
C4 0.000 -1.458 -0.066
H5 0.000 1.189 2.037
H6 0.000 -1.189 2.037
C7 0.000 2.152 -1.056
C8 0.000 -2.152 -1.056
H9 0.000 2.735 -1.936
H10 0.000 -2.735 -1.936

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 C7 C8 H9 H10
C11.34601.41032.43181.06502.08202.61913.55703.67444.5675
C21.34602.43181.41032.08201.06503.55702.61914.56753.6744
C31.41032.43182.91582.12053.38081.20903.74302.26424.5905
C42.43181.41032.91583.38082.12053.74301.20904.59052.2642
H51.06502.08202.12053.38082.37793.23984.55304.26335.5839
H62.08201.06503.38082.12052.37794.55303.23985.58394.2633
C72.61913.55701.20903.74303.23984.55304.30361.05544.9649
C83.55702.61913.74301.20904.55303.23984.30364.96491.0554
H93.67444.56752.26424.59054.26335.58391.05544.96495.4690
H104.56753.67444.59052.26425.58394.26334.96491.05545.4690

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 123.818 C1 C2 H6 118.977
C1 C3 C7 178.792 C2 C1 C3 123.818
C2 C1 H5 118.977 C2 C4 C8 178.792
C3 C1 H5 117.205 C3 C7 H9 178.489
C4 C2 H6 117.205 C4 C8 H10 178.489
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.167      
2 C -0.167      
3 C -0.314      
4 C -0.314      
5 H 0.131      
6 H 0.131      
7 C 0.092      
8 C 0.092      
9 H 0.258      
10 H 0.258      


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 0.173 0.173
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.053 0.000 0.000
y 0.000 -31.308 0.000
z 0.000 0.000 -27.601
Traceless
 xyz
x -8.599 0.000 0.000
y 0.000 1.519 0.000
z 0.000 0.000 7.080
Polar
3z2-r214.160
x2-y2-6.745
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.579 0.000 0.000
y 0.000 15.476 0.000
z 0.000 0.000 10.941


<r2> (average value of r2) Å2
<r2> 173.174
(<r2>)1/2 13.160