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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-308.050521
Energy at 298.15K-308.055069
Nuclear repulsion energy297.612213
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 3400 3365 68.89      
2 A 3132 3099 6.11      
3 A 3119 3087 23.74      
4 A 3099 3067 0.34      
5 A 2145 2123 4.09      
6 A 1605 1588 1.66      
7 A 1482 1467 14.84      
8 A 1202 1189 0.82      
9 A 1170 1158 0.01      
10 A 1027 1016 4.20      
11 A 988 978 0.05      
12 A 759 751 2.52      
13 A 461 456 0.34      
14 A 920 910 0.00      
15 A 814 806 0.00      
16 A 393 389 0.00      
17 A 947 937 0.09      
18 A 885 876 4.10      
19 A 742 734 48.68      
20 A 679 672 38.43      
21 A 549 543 6.32      
22 A 497 492 43.52      
23 A 344 341 0.64      
24 A 133 132 1.46      
25 A 3128 3095 27.65      
26 A 3108 3076 7.05      
27 A 1573 1557 1.45      
28 A 1436 1421 5.12      
29 A 1340 1326 0.15      
30 A 1296 1283 0.01      
31 A 1155 1143 0.00      
32 A 1076 1064 6.07      
33 A 617 611 0.07      
34 A 596 590 45.32      
35 A 514 509 0.36      
36 A 150 148 0.93      

Unscaled Zero Point Vibrational Energy (zpe) 23238.8 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 22997.2 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
0.18828 0.05068 0.03993

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 0.598
C2 0.000 0.000 2.024
C3 0.000 1.216 -0.120
C4 0.000 -1.216 -0.120
C5 0.000 1.211 -1.515
C6 0.000 -1.211 -1.515
C7 0.000 0.000 -2.218
C8 0.000 0.000 3.240
H9 0.000 0.000 4.312
H10 0.000 2.160 0.432
H11 0.000 -2.160 0.432
H12 0.000 2.160 -2.059
H13 0.000 -2.160 -2.059
H14 0.000 0.000 -3.311

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.42561.41261.41262.43622.43622.81642.64203.71372.16592.16593.42463.42463.9098
C21.42562.46492.46493.74093.74094.24201.21632.28812.68292.68294.61924.61925.3354
C31.41262.46492.43291.39562.80032.42533.57354.59581.09273.42082.15663.89383.4156
C41.41262.46492.43292.80031.39562.42533.57354.59583.42081.09273.89382.15663.4156
C52.43623.74091.39562.80032.42261.40034.90765.95202.16603.89291.09353.41502.1663
C62.43623.74092.80031.39562.42261.40034.90765.95203.89292.16603.41501.09352.1663
C72.81644.24202.42532.42531.40031.40035.45836.53013.41853.41852.16602.16601.0934
C82.64201.21633.57353.57354.90764.90765.45831.07173.54273.54275.72275.72276.5518
H93.71372.28814.59584.59585.95205.95206.53011.07174.44064.44066.72736.72737.6235
H102.16592.68291.09273.42082.16603.89293.41853.54274.44064.31912.49104.98654.3217
H112.16592.68293.42081.09273.89292.16603.41853.54274.44064.31914.98652.49104.3217
H123.42464.61922.15663.89381.09353.41502.16605.72276.72732.49104.98654.32032.4970
H133.42464.61923.89382.15663.41501.09352.16605.72276.72734.98652.49104.32032.4970
H143.90985.33543.41563.41562.16632.16631.09346.55187.62354.32174.32172.49702.4970

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 120.344
C1 C3 H10 119.113 C1 C4 C6 120.344
C1 C4 H11 119.113 C2 C1 C3 120.556
C2 C1 C4 120.556 C2 C8 H9 180.000
C3 C1 C4 118.888 C3 C5 C7 120.327
C3 C5 H12 119.598 C4 C6 C7 120.327
C4 C6 H13 119.598 C5 C3 H10 120.542
C5 C7 C6 119.768 C5 C7 H14 120.116
C6 C4 H11 120.542 C6 C7 H14 120.116
C7 C5 H12 120.075 C7 C6 H13 120.075
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 -0.127      
2 C 0.040      
3 C -0.149      
4 C -0.149      
5 C -0.189      
6 C -0.189      
7 C -0.178      
8 C -0.264      
9 H 0.236      
10 H 0.197      
11 H 0.197      
12 H 0.192      
13 H 0.192      
14 H 0.192      


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 -0.662 0.662
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.973 0.000 0.000
y 0.000 -42.075 0.000
z 0.000 0.000 -37.702
Traceless
 xyz
x -11.084 0.000 0.000
y 0.000 2.263 0.000
z 0.000 0.000 8.821
Polar
3z2-r217.643
x2-y2-8.898
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.138 0.000 0.000
y 0.000 12.143 0.000
z 0.000 0.000 20.847


<r2> (average value of r2) Å2
<r2> 266.629
(<r2>)1/2 16.329