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All results from a given calculation for C6H5CCH (phenylacetylene)

using model chemistry: PBEPBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-311G**
 hartrees
Energy at 0K-308.062202
Energy at 298.15K-308.066872
Nuclear repulsion energy297.642871
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 PBEPBE/6-311G**
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 3413 3382 86.24      
2 A 3134 3106 4.37      
3 A 3122 3094 16.42      
4 A 3103 3074 0.27      
5 A 2144 2124 4.13      
6 A 1599 1584 1.78      
7 A 1474 1460 14.82      
8 A 1199 1188 0.86      
9 A 1163 1152 0.02      
10 A 1024 1015 4.17      
11 A 986 977 0.06      
12 A 758 751 2.50      
13 A 460 456 0.33      
14 A 939 931 0.00      
15 A 821 813 0.00      
16 A 393 390 0.00      
17 A 961 952 0.05      
18 A 895 887 3.72      
19 A 746 740 45.18      
20 A 682 676 35.76      
21 A 587 582 32.23      
22 A 528 523 13.73      
23 A 349 346 2.26      
24 A 134 133 1.60      
25 A 3130 3102 18.32      
26 A 3112 3083 5.26      
27 A 1569 1554 1.39      
28 A 1429 1416 5.03      
29 A 1337 1325 0.14      
30 A 1289 1277 0.01      
31 A 1149 1138 0.00      
32 A 1072 1062 6.05      
33 A 640 635 40.46      
34 A 616 610 0.68      
35 A 518 513 2.16      
36 A 151 150 1.05      

Unscaled Zero Point Vibrational Energy (zpe) 23311.2 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 23099.0 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 PBEPBE/6-311G**
ABC
0.18825 0.05070 0.03994

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.597
C2 0.000 0.000 2.024
C3 0.000 1.217 -0.119
C4 0.000 -1.217 -0.119
C5 0.000 1.212 -1.515
C6 0.000 -1.212 -1.515
C7 0.000 0.000 -2.217
C8 0.000 0.000 3.240
H9 0.000 0.000 4.311
H10 0.000 2.159 0.432
H11 0.000 -2.159 0.432
H12 0.000 2.159 -2.059
H13 0.000 -2.159 -2.059
H14 0.000 0.000 -3.310

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.42681.41221.41222.43532.43532.81482.64293.71322.16502.16503.42303.42303.9071
C21.42682.46482.46483.74103.74104.24161.21622.28642.68232.68234.61864.61865.3339
C31.41222.46482.43361.39582.80092.42543.57324.59401.09153.42032.15623.89333.4145
C41.41222.46482.43362.80091.39582.42543.57324.59403.42031.09153.89332.15623.4145
C52.43533.74101.39582.80092.42301.40034.90745.95042.16553.89241.09243.41412.1652
C62.43533.74102.80091.39582.42301.40034.90745.95043.89242.16553.41411.09242.1652
C72.81484.24162.42542.42541.40031.40035.45776.52803.41763.41762.16492.16491.0923
C82.64291.21623.57323.57324.90744.90745.45771.07023.54203.54205.72215.72216.5501
H93.71322.28644.59404.59405.95045.95046.52801.07024.43874.43876.72536.72537.6203
H102.16502.68231.09153.42032.16553.89243.41763.54204.43874.31742.49094.98484.3199
H112.16502.68233.42031.09153.89242.16553.41763.54204.43874.31744.98482.49094.3199
H123.42304.61862.15623.89331.09243.41412.16495.72216.72532.49094.98484.31812.4953
H133.42304.61863.89332.15623.41411.09242.16495.72216.72534.98482.49094.31812.4953
H143.90715.33393.41453.41452.16522.16521.09236.55017.62034.31994.31992.49532.4953

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 120.284
C1 C3 H10 119.152 C1 C4 C6 120.284
C1 C4 H11 119.152 C2 C1 C3 120.500
C2 C1 C4 120.500 C2 C8 H9 180.000
C3 C1 C4 119.000 C3 C5 C7 120.313
C3 C5 H12 119.625 C4 C6 C7 120.313
C4 C6 H13 119.625 C5 C3 H10 120.565
C5 C7 C6 119.806 C5 C7 H14 120.097
C6 C4 H11 120.565 C6 C7 H14 120.097
C7 C5 H12 120.062 C7 C6 H13 120.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.204      
2 C 0.066      
3 C -0.021      
4 C -0.021      
5 C -0.097      
6 C -0.097      
7 C -0.086      
8 C -0.145      
9 H 0.105      
10 H 0.099      
11 H 0.099      
12 H 0.100      
13 H 0.100      
14 H 0.101      


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 -0.669 0.669
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.726 0.000 0.000
y 0.000 -42.173 0.000
z 0.000 0.000 -38.054
Traceless
 xyz
x -10.612 0.000 0.000
y 0.000 2.217 0.000
z 0.000 0.000 8.396
Polar
3z2-r216.792
x2-y2-8.553
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.249 0.000 0.000
y 0.000 12.227 0.000
z 0.000 0.000 20.950


<r2> (average value of r2) Å2
<r2> 266.617
(<r2>)1/2 16.328