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All results from a given calculation for C6H5CCH (phenylacetylene)

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-308.016725
Energy at 298.15K-308.021591
HF Energy-308.016725
Nuclear repulsion energy299.060558
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 PBE1PBE/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 A 3514 3340 81.29      
2 A 3246 3084 4.65      
3 A 3234 3073 16.55      
4 A 3214 3054 0.25      
5 A 2247 2135 1.96      
6 A 1686 1602 1.84      
7 A 1548 1471 16.90      
8 A 1245 1184 0.98      
9 A 1213 1152 0.01      
10 A 1067 1014 3.45      
11 A 1022 971 0.24      
12 A 783 744 2.81      
13 A 472 449 0.35      
14 A 978 930 0.00      
15 A 862 819 0.00      
16 A 412 391 0.00      
17 A 1006 956 0.10      
18 A 937 890 4.03      
19 A 778 740 48.02      
20 A 708 673 25.16      
21 A 598 568 36.74      
22 A 559 532 17.47      
23 A 377 358 1.63      
24 A 146 138 1.21      
25 A 3242 3081 17.63      
26 A 3223 3063 5.01      
27 A 1655 1573 1.09      
28 A 1497 1423 5.86      
29 A 1382 1314 0.30      
30 A 1344 1278 0.00      
31 A 1195 1136 0.01      
32 A 1118 1062 4.45      
33 A 650 618 44.45      
34 A 635 603 1.67      
35 A 537 510 1.72      
36 A 159 151 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 24243.4 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 23038.5 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 PBE1PBE/6-31G*
ABC
0.19023 0.05112 0.04030

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.591
C2 0.000 0.000 2.018
C3 0.000 1.210 -0.119
C4 0.000 -1.210 -0.119
C5 0.000 1.206 -1.509
C6 0.000 -1.206 -1.509
C7 0.000 0.000 -2.207
C8 0.000 0.000 3.227
H9 0.000 0.000 4.294
H10 0.000 2.147 0.430
H11 0.000 -2.147 0.430
H12 0.000 2.148 -2.049
H13 0.000 -2.148 -2.049
H14 0.000 0.000 -3.293

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.42731.40301.40302.42072.42072.79732.63673.70392.15262.15263.40343.40343.8839
C21.42732.45612.45613.72693.72694.22461.20942.27662.67022.67024.59964.59965.3112
C31.40302.45612.42011.38912.78662.41273.55884.57681.08573.40132.14573.87323.3967
C41.40302.45612.42012.78661.38912.41273.55884.57683.40131.08573.87322.14573.3967
C52.42073.72691.38912.78662.41131.39324.88695.92702.15473.87231.08653.39712.1538
C62.42073.72692.78661.38912.41131.39324.88695.92703.87232.15473.39711.08652.1538
C72.79734.22462.41272.41271.39321.39325.43406.50123.39993.39992.15392.15391.0866
C82.63671.20943.55883.55884.88694.88695.43401.06723.52623.52625.69715.69716.5206
H93.70392.27664.57684.57685.92705.92706.50121.06724.42084.42086.69756.69757.5878
H102.15262.67021.08573.40132.15473.87233.39993.52624.42084.29322.47914.95894.2976
H112.15262.67023.40131.08573.87232.15473.39993.52624.42084.29324.95892.47914.2976
H123.40344.59962.14573.87321.08653.39712.15395.69716.69752.47914.95894.29622.4823
H133.40344.59963.87322.14573.39711.08652.15395.69716.69754.95892.47914.29622.4823
H143.88395.31123.39673.39672.15382.15381.08666.52067.58784.29764.29762.48232.4823

picture of phenylacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C8 180.000 C1 C3 C5 120.221
C1 C3 H10 119.206 C1 C4 C6 120.221
C1 C4 H11 119.206 C2 C1 C3 120.403
C2 C1 C4 120.403 C2 C8 H9 180.000
C3 C1 C4 119.194 C3 C5 C7 120.256
C3 C5 H12 119.660 C4 C6 C7 120.256
C4 C6 H13 119.660 C5 C3 H10 120.573
C5 C7 C6 119.853 C5 C7 H14 120.074
C6 C4 H11 120.573 C6 C7 H14 120.074
C7 C5 H12 120.084 C7 C6 H13 120.084
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.021      
2 C 0.307      
3 C -0.157      
4 C -0.157      
5 C -0.177      
6 C -0.177      
7 C -0.161      
8 C -0.597      
9 H 0.242      
10 H 0.185      
11 H 0.185      
12 H 0.176      
13 H 0.176      
14 H 0.175      


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 -0.636 0.636
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.725 0.000 0.000
y 0.000 -41.095 0.000
z 0.000 0.000 -36.767
Traceless
 xyz
x -10.794 0.000 0.000
y 0.000 2.152 0.000
z 0.000 0.000 8.642
Polar
3z2-r217.285
x2-y2-8.631
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.000 0.000 0.000
y 0.000 11.101 0.000
z 0.000 0.000 19.101


<r2> (average value of r2) Å2
<r2> 263.793
(<r2>)1/2 16.242