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All results from a given calculation for C6H5CCH (phenylacetylene)

using model chemistry: B3LYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/6-31+G**
 hartrees
Energy at 0K-308.417640
Energy at 298.15K-308.422541
Nuclear repulsion energy298.117099
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 B3LYP/6-31+G**
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 3482 3357 97.81      
2 A 3214 3099 4.47      
3 A 3202 3087 17.46      
4 A 3183 3069 0.28      
5 A 2208 2129 10.31      
6 A 1648 1589 2.30      
7 A 1525 1471 13.82      
8 A 1224 1180 1.39      
9 A 1202 1159 0.01      
10 A 1050 1012 4.77      
11 A 1013 976 0.01      
12 A 775 747 2.78      
13 A 471 454 0.28      
14 A 983 948 0.00      
15 A 855 824 0.00      
16 A 412 397 0.00      
17 A 1004 968 0.01      
18 A 934 901 2.76      
19 A 776 748 45.01      
20 A 704 679 40.18      
21 A 605 584 64.51      
22 A 570 550 4.73      
23 A 381 367 5.43      
24 A 146 141 2.01      
25 A 3210 3095 19.10      
26 A 3192 3078 5.41      
27 A 1617 1559 1.06      
28 A 1477 1424 4.05      
29 A 1358 1309 0.45      
30 A 1325 1277 0.27      
31 A 1185 1143 0.03      
32 A 1103 1063 5.41      
33 A 657 633 52.66      
34 A 634 611 1.69      
35 A 532 513 3.26      
36 A 161 155 1.49      

Unscaled Zero Point Vibrational Energy (zpe) 24006.4 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 23147.0 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 B3LYP/6-31+G**
ABC
0.18902 0.05077 0.04002

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.594
C2 0.000 0.000 2.026
C3 0.000 1.214 -0.120
C4 0.000 -1.214 -0.120
C5 0.000 1.210 -1.514
C6 0.000 -1.210 -1.514
C7 0.000 0.000 -2.215
C8 0.000 0.000 3.238
H9 0.000 0.000 4.304
H10 0.000 2.152 0.427
H11 0.000 -2.152 0.427
H12 0.000 2.152 -2.054
H13 0.000 -2.152 -2.054
H14 0.000 0.000 -3.301

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.43131.40861.40862.43072.43072.80942.64393.71002.15802.15803.41243.41243.8955
C21.43132.46512.46513.74063.74064.24071.21262.27872.68022.68024.61244.61245.3268
C31.40862.46512.42861.39432.79652.42193.57064.58751.08523.41002.14973.88253.4054
C41.40862.46512.42862.79651.39432.42193.57064.58753.41001.08523.88252.14973.4054
C52.43073.74061.39432.79652.41961.39844.90375.94262.15773.88171.08603.40502.1582
C62.43073.74062.79651.39432.41961.39844.90375.94263.88172.15773.40501.08602.1582
C72.80944.24072.42192.42191.39841.39845.45336.51943.40773.40772.15812.15811.0860
C82.64391.21263.57063.57064.90374.90375.45331.06613.53973.53975.71305.71306.5393
H93.71002.27874.58754.58755.94265.94266.51941.06614.43394.43396.71266.71267.6055
H102.15802.68021.08523.41002.15773.88173.40773.53974.43394.30322.48144.96774.3048
H112.15802.68023.41001.08523.88172.15773.40773.53974.43394.30324.96772.48144.3048
H123.41244.61242.14973.88251.08603.40502.15815.71306.71262.48144.96774.30412.4873
H133.41244.61243.88252.14973.40501.08602.15815.71306.71264.96772.48144.30412.4873
H143.89555.32683.40543.40542.15822.15821.08606.53937.60554.30484.30482.48732.4873

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 120.267
C1 C3 H10 119.280 C1 C4 C6 120.267
C1 C4 H11 119.280 C2 C1 C3 120.451
C2 C1 C4 120.451 C2 C8 H9 180.000
C3 C1 C4 119.097 C3 C5 C7 120.282
C3 C5 H12 119.639 C4 C6 C7 120.282
C4 C6 H13 119.639 C5 C3 H10 120.453
C5 C7 C6 119.805 C5 C7 H14 120.098
C6 C4 H11 120.453 C6 C7 H14 120.098
C7 C5 H12 120.079 C7 C6 H13 120.079
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.117      
2 C 0.068      
3 C -0.029      
4 C -0.029      
5 C -0.113      
6 C -0.113      
7 C -0.101      
8 C -1.676      
9 H 0.212      
10 H 0.138      
11 H 0.138      
12 H 0.130      
13 H 0.130      
14 H 0.128      


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 -0.720 0.720
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.588 0.000 0.000
y 0.000 -42.883 0.000
z 0.000 0.000 -38.996
Traceless
 xyz
x -10.648 0.000 0.000
y 0.000 2.409 0.000
z 0.000 0.000 8.240
Polar
3z2-r216.479
x2-y2-8.705
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.370 0.000 0.000
y 0.000 12.921 0.000
z 0.000 0.000 21.248


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000