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All results from a given calculation for C6H5CCH (phenylacetylene)

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-304.435237
Energy at 298.15K-304.439414
Nuclear repulsion energy292.812822
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 BLYP/STO-3G
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 3580 3313 168.22      
2 A 3373 3121 1.72      
3 A 3360 3109 3.75      
4 A 3344 3094 0.09      
5 A 2269 2100 34.46      
6 A 1663 1539 3.29      
7 A 1560 1443 24.04      
8 A 1231 1139 1.92      
9 A 1217 1126 1.41      
10 A 1059 980 0.01      
11 A 1017 941 0.34      
12 A 773 715 1.68      
13 A 467 432 0.09      
14 A 988 914 0.00      
15 A 861 797 0.00      
16 A 404 374 0.00      
17 A 1004 929 0.01      
18 A 929 859 1.47      
19 A 765 707 24.12      
20 A 701 649 8.10      
21 A 645 596 16.06      
22 A 534 494 4.30      
23 A 355 328 0.51      
24 A 137 127 0.64      
25 A 3366 3115 7.78      
26 A 3353 3102 0.00      
27 A 1637 1515 1.15      
28 A 1507 1394 11.63      
29 A 1369 1267 0.48      
30 A 1304 1206 0.00      
31 A 1212 1122 0.00      
32 A 1117 1033 0.01      
33 A 680 629 18.66      
34 A 634 587 0.04      
35 A 522 483 0.53      
36 A 154 142 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 24545.2 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 22709.2 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 BLYP/STO-3G
ABC
0.18217 0.04897 0.03860

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.607
C2 0.000 0.000 2.071
C3 0.000 1.238 -0.124
C4 0.000 -1.238 -0.124
C5 0.000 1.231 -1.542
C6 0.000 -1.231 -1.542
C7 0.000 0.000 -2.254
C8 0.000 0.000 3.292
H9 0.000 0.000 4.379
H10 0.000 2.195 0.431
H11 0.000 -2.195 0.431
H12 0.000 2.190 -2.094
H13 0.000 -2.190 -2.094
H14 0.000 0.000 -3.360

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.46381.43751.43752.47702.47702.86142.68503.77202.20212.20213.47763.47763.9677
C21.46382.51982.51983.81713.81714.32511.22122.30832.74012.74014.70584.70585.4314
C31.43752.51982.47551.41822.84742.46383.63344.67011.10633.47732.18843.95373.4652
C41.43752.51982.47552.84741.41822.46383.63344.67013.47731.10633.95372.18843.4652
C52.47703.81711.41822.84742.46271.42244.98866.04792.19563.95371.10633.46562.1961
C62.47703.81712.84741.41822.46271.42244.98866.04793.95372.19563.46561.10632.1961
C72.86144.32512.46382.46381.42241.42245.54646.63343.46803.46802.19592.19591.1063
C82.68501.22123.63343.63344.98864.98865.54641.08703.60643.60645.81455.81456.6527
H93.77202.30834.67014.67016.04796.04796.63341.08704.51764.51766.83386.83387.7397
H102.20212.74011.10633.47732.19563.95373.46803.60644.51764.39002.52495.06004.3808
H112.20212.74013.47731.10633.95372.19563.46803.60644.51764.39005.06002.52494.3808
H123.47764.70582.18843.95371.10633.46562.19595.81456.83382.52495.06004.38012.5298
H133.47764.70583.95372.18843.46561.10632.19595.81456.83385.06002.52494.38012.5298
H143.96775.43143.46523.46522.19612.19611.10636.65277.73974.38084.38082.52982.5298

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 120.308
C1 C3 H10 119.346 C1 C4 C6 120.308
C1 C4 H11 119.346 C2 C1 C3 120.567
C2 C1 C4 120.567 C2 C8 H9 180.000
C3 C1 C4 118.866 C3 C5 C7 120.302
C3 C5 H12 119.676 C4 C6 C7 120.302
C4 C6 H13 119.676 C5 C3 H10 120.346
C5 C7 C6 119.915 C5 C7 H14 120.042
C6 C4 H11 120.346 C6 C7 H14 120.042
C7 C5 H12 120.022 C7 C6 H13 120.022
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.008      
2 C -0.041      
3 C -0.066      
4 C -0.066      
5 C -0.075      
6 C -0.075      
7 C -0.073      
8 C -0.125      
9 H 0.115      
10 H 0.086      
11 H 0.086      
12 H 0.081      
13 H 0.081      
14 H 0.081      


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 -0.444 0.444
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.246 0.000 0.000
y 0.000 -39.638 0.000
z 0.000 0.000 -36.326
Traceless
 xyz
x -7.264 0.000 0.000
y 0.000 1.148 0.000
z 0.000 0.000 6.116
Polar
3z2-r212.232
x2-y2-5.607
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.316 0.000 0.000
y 0.000 7.537 0.000
z 0.000 0.000 14.316


<r2> (average value of r2) Å2
<r2> 272.838
(<r2>)1/2 16.518