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All results from a given calculation for C6H5CCH (phenylacetylene)

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-308.275549
Energy at 298.15K-308.280465
Nuclear repulsion energy298.843238
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 B1B95/cc-pVDZ
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 3498 3362 92.63      
2 A 3232 3107 4.13      
3 A 3220 3095 13.35      
4 A 3199 3075 0.27      
5 A 2232 2146 3.22      
6 A 1673 1608 1.78      
7 A 1521 1462 15.20      
8 A 1234 1186 0.99      
9 A 1185 1139 0.00      
10 A 1054 1013 3.67      
11 A 1010 971 0.46      
12 A 774 744 2.74      
13 A 465 447 0.35      
14 A 991 953 0.00      
15 A 860 826 0.00      
16 A 407 391 0.00      
17 A 1012 973 0.04      
18 A 941 904 2.72      
19 A 780 750 32.10      
20 A 707 680 26.02      
21 A 643 618 38.71      
22 A 558 537 4.83      
23 A 371 356 2.89      
24 A 143 138 1.41      
25 A 3228 3103 14.46      
26 A 3209 3085 4.33      
27 A 1644 1580 0.96      
28 A 1474 1417 5.13      
29 A 1377 1324 0.30      
30 A 1316 1265 0.01      
31 A 1168 1123 0.02      
32 A 1100 1057 5.56      
33 A 681 655 35.39      
34 A 623 599 0.40      
35 A 532 511 3.58      
36 A 153 147 0.99      

Unscaled Zero Point Vibrational Energy (zpe) 24105.9 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 23170.6 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 B1B95/cc-pVDZ
ABC
0.19024 0.05102 0.04023

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.590
C2 0.000 0.000 2.019
C3 0.000 1.210 -0.120
C4 0.000 -1.210 -0.120
C5 0.000 1.205 -1.510
C6 0.000 -1.205 -1.510
C7 0.000 0.000 -2.208
C8 0.000 0.000 3.232
H9 0.000 0.000 4.303
H10 0.000 2.150 0.430
H11 0.000 -2.150 0.430
H12 0.000 2.151 -2.052
H13 0.000 -2.151 -2.052
H14 0.000 0.000 -3.298

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.42861.40271.40272.42072.42072.79782.64213.71342.15562.15563.40663.40663.8881
C21.42862.45722.45723.72823.72824.22641.21352.28482.67282.67284.60374.60375.3167
C31.40272.45722.41931.38922.78582.41273.56394.58611.08943.40422.14873.87613.4003
C41.40272.45722.41932.78581.38922.41273.56394.58613.40421.08943.87612.14873.4003
C52.42073.72821.38922.78582.41011.39284.89235.93652.15753.87521.09023.39952.1567
C62.42073.72822.78581.38922.41011.39284.89235.93653.87522.15753.39951.09022.1567
C72.79784.22642.41272.41271.39281.39285.43996.51133.40303.40302.15652.15651.0903
C82.64211.21353.56393.56394.89234.89235.43991.07133.53153.53155.70495.70496.5302
H93.71342.28484.58614.58615.93655.93656.51131.07134.42984.42986.70936.70937.6015
H102.15562.67281.08943.40422.15753.87523.40303.53154.42984.29942.48204.96544.3037
H112.15562.67283.40421.08943.87522.15753.40303.53154.42984.29944.96542.48204.3037
H123.40664.60372.14873.87611.09023.39952.15655.70496.70932.48204.96544.30172.4858
H133.40664.60373.87612.14873.39951.09022.15655.70496.70934.96542.48204.30172.4858
H143.88815.31673.40033.40032.15672.15671.09036.53027.60154.30374.30372.48582.4858

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 120.229
C1 C3 H10 119.229 C1 C4 C6 120.229
C1 C4 H11 119.229 C2 C1 C3 120.419
C2 C1 C4 120.419 C2 C8 H9 180.000
C3 C1 C4 119.163 C3 C5 C7 120.283
C3 C5 H12 119.643 C4 C6 C7 120.283
C4 C6 H13 119.643 C5 C3 H10 120.542
C5 C7 C6 119.812 C5 C7 H14 120.094
C6 C4 H11 120.542 C6 C7 H14 120.094
C7 C5 H12 120.074 C7 C6 H13 120.074
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.180      
2 C 0.599      
3 C 0.047      
4 C 0.047      
5 C 0.021      
6 C 0.021      
7 C 0.019      
8 C -0.508      
9 H -0.013      
10 H -0.016      
11 H -0.016      
12 H -0.007      
13 H -0.007      
14 H -0.008      


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 -0.654 0.654
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -50.063 0.000 0.000
y 0.000 -41.893 0.000
z 0.000 0.000 -37.723
Traceless
 xyz
x -10.254 0.000 0.000
y 0.000 2.000 0.000
z 0.000 0.000 8.254
Polar
3z2-r216.508
x2-y2-8.170
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.600 0.000 0.000
y 0.000 11.789 0.000
z 0.000 0.000 19.900


<r2> (average value of r2) Å2
<r2> 264.643
(<r2>)1/2 16.268