return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H5CCH (phenylacetylene)

using model chemistry: mPW1PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/cc-pVTZ
 hartrees
Energy at 0K-308.418591
Energy at 298.15K-308.423588
Nuclear repulsion energy300.355539
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 mPW1PW91/cc-pVTZ
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 3489 3346 93.03      
2 A 3225 3094 4.15      
3 A 3213 3082 12.39      
4 A 3193 3063 0.24      
5 A 2229 2138 7.37      
6 A 1668 1600 1.70      
7 A 1536 1473 16.43      
8 A 1237 1186 0.84      
9 A 1204 1155 0.00      
10 A 1061 1018 3.97      
11 A 1024 982 0.07      
12 A 781 749 2.58      
13 A 473 454 0.35      
14 A 1000 959 0.00      
15 A 866 831 0.00      
16 A 412 396 0.00      
17 A 1020 978 0.10      
18 A 951 912 4.09      
19 A 785 753 43.80      
20 A 715 685 33.87      
21 A 655 628 46.31      
22 A 556 534 4.65      
23 A 370 355 3.85      
24 A 142 136 1.77      
25 A 3221 3090 13.78      
26 A 3203 3072 4.09      
27 A 1638 1571 1.38      
28 A 1487 1426 5.90      
29 A 1364 1309 0.48      
30 A 1334 1280 0.12      
31 A 1185 1137 0.03      
32 A 1110 1065 5.37      
33 A 696 667 40.05      
34 A 636 610 0.73      
35 A 540 518 4.92      
36 A 159 152 1.27      

Unscaled Zero Point Vibrational Energy (zpe) 24189.2 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 23202.3 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 mPW1PW91/cc-pVTZ
ABC
0.19195 0.05155 0.04063

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.588
C2 0.000 0.000 2.012
C3 0.000 1.205 -0.119
C4 0.000 -1.205 -0.119
C5 0.000 1.200 -1.502
C6 0.000 -1.200 -1.502
C7 0.000 0.000 -2.198
C8 0.000 0.000 3.213
H9 0.000 0.000 4.275
H10 0.000 2.137 0.427
H11 0.000 -2.137 0.427
H12 0.000 2.139 -2.041
H13 0.000 -2.139 -2.041
H14 0.000 0.000 -3.280

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.42351.39691.39692.41082.41082.78622.62443.68622.14352.14353.38903.38903.8679
C21.42352.44792.44793.71363.71364.20971.20092.26272.66092.66094.58224.58225.2914
C31.39692.44792.40901.38332.77432.40253.54294.55581.08093.38622.13653.85603.3822
C41.39692.44792.40902.77431.38332.40253.54294.55583.38621.08093.85602.13653.3822
C52.41083.71361.38332.77432.40061.38724.86565.90042.14493.85521.08173.38202.1445
C62.41083.71362.77431.38332.40061.38724.86565.90043.85522.14493.38201.08172.1445
C72.78624.20972.40252.40251.38721.38725.41066.47243.38503.38502.14442.14441.0817
C82.62441.20093.54293.54294.86564.86565.41061.06183.51133.51135.67205.67206.4923
H93.68622.26274.55584.55585.90045.90046.47241.06184.40144.40146.66746.66747.5541
H102.14352.66091.08093.38622.14493.85523.38503.51134.40144.27482.46764.93694.2786
H112.14352.66093.38621.08093.85522.14493.38503.51134.40144.27484.93692.46764.2786
H123.38904.58222.13653.85601.08173.38202.14445.67206.66742.46764.93694.27722.4716
H133.38904.58223.85602.13653.38201.08172.14445.67206.66744.93692.46764.27722.4716
H143.86795.29143.38223.38222.14452.14451.08176.49237.55414.27864.27862.47162.4716

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 120.252
C1 C3 H10 119.229 C1 C4 C6 120.252
C1 C4 H11 119.229 C2 C1 C3 120.427
C2 C1 C4 120.427 C2 C8 H9 180.000
C3 C1 C4 119.145 C3 C5 C7 120.262
C3 C5 H12 119.661 C4 C6 C7 120.262
C4 C6 H13 119.661 C5 C3 H10 120.519
C5 C7 C6 119.827 C5 C7 H14 120.086
C6 C4 H11 120.519 C6 C7 H14 120.086
C7 C5 H12 120.077 C7 C6 H13 120.077
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.096      
2 C 0.062      
3 C -0.107      
4 C -0.107      
5 C -0.094      
6 C -0.094      
7 C -0.103      
8 C -0.285      
9 H 0.113      
10 H 0.102      
11 H 0.102      
12 H 0.105      
13 H 0.105      
14 H 0.104      


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 -0.724 0.724
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.405 0.000 0.000
y 0.000 -41.972 0.000
z 0.000 0.000 -38.042
Traceless
 xyz
x -10.398 0.000 0.000
y 0.000 2.251 0.000
z 0.000 0.000 8.146
Polar
3z2-r216.293
x2-y2-8.433
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.361 0.000 0.000
y 0.000 12.459 0.000
z 0.000 0.000 20.275


<r2> (average value of r2) Å2
<r2> 262.391
(<r2>)1/2 16.198