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All results from a given calculation for C6H5CCH (phenylacetylene)

using model chemistry: MP2=FULL/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 MP2=FULL/6-311G*
 hartrees
Energy at 0K-307.629872
Energy at 298.15K-307.634143
HF Energy-306.428855
Nuclear repulsion energy298.091972
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 MP2=FULL/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 3489 3304 68.18      
2 A 3235 3064 9.15      
3 A 3222 3051 10.08      
4 A 3206 3036 0.43      
5 A 2133 2020 0.17      
6 A 1655 1567 3.69      
7 A 1529 1448 19.90      
8 A 1233 1167 0.89      
9 A 1214 1150 0.00      
10 A 1056 1000 4.96      
11 A 1018 965 0.27      
12 A 776 735 1.88      
13 A 470 445 0.28      
14 A 869 823 0.00      
15 A 815 772 0.00      
16 A 388 368 0.00      
17 A 865 819 0.03      
18 A 854 809 1.77      
19 A 715 677 114.71      
20 A 560 530 10.12      
21 A 448 424 0.66      
22 A 411 389 24.66      
23 A 278 264 3.44      
24 A 132 125 1.08      
25 A 3229 3058 20.14      
26 A 3214 3044 1.25      
27 A 1627 1541 2.65      
28 A 1487 1408 6.15      
29 A 1444 1367 0.42      
30 A 1344 1273 0.04      
31 A 1197 1133 0.01      
32 A 1108 1049 5.50      
33 A 634 600 0.07      
34 A 609 577 45.48      
35 A 518 491 0.30      
36 A 154 146 1.05      

Unscaled Zero Point Vibrational Energy (zpe) 23564.6 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 22318.1 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 MP2=FULL/6-311G*
ABC
0.18895 0.05080 0.04004

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

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 2.020
C3 0.000 1.215 -0.118
C4 0.000 -1.215 -0.118
C5 0.000 1.210 -1.513
C6 0.000 -1.210 -1.513
C7 0.000 0.000 -2.214
C8 0.000 0.000 3.241
H9 0.000 0.000 4.306
H10 0.000 2.152 0.432
H11 0.000 -2.152 0.432
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
C11.43031.40631.40632.42662.42662.80452.65083.71592.15742.15743.40943.40943.8910
C21.43032.45972.45973.73513.73514.23481.22062.28572.67452.67454.60794.60795.3213
C31.40632.45972.42961.39502.79732.42263.57224.58821.08653.41112.15073.88393.4065
C41.40632.45972.42962.79731.39502.42263.57224.58823.41111.08653.88392.15073.4065
C52.42663.73511.39502.79732.41971.39834.90585.94382.16123.88371.08653.40542.1585
C62.42663.73512.79731.39502.41971.39834.90585.94383.88372.16123.40541.08652.1585
C72.80454.23482.42262.42261.39831.39835.45546.52053.41063.41062.15832.15831.0865
C82.65081.22063.57223.57224.90584.90585.45541.06513.53843.53845.71565.71566.5419
H93.71592.28574.58824.58825.94385.94386.52051.06514.43154.43156.71436.71437.6070
H102.15742.67451.08653.41112.16123.88373.41063.53844.43154.30322.48584.97034.3085
H112.15742.67453.41111.08653.88372.16123.41063.53844.43154.30324.97032.48584.3085
H123.40944.60792.15073.88391.08653.40542.15835.71566.71432.48584.97034.30472.4875
H133.40944.60793.88392.15073.40541.08652.15835.71566.71434.97032.48584.30472.4875
H143.89105.32133.40653.40652.15852.15851.08656.54197.60704.30854.30852.48752.4875

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 120.048
C1 C3 H10 119.320 C1 C4 C6 120.048
C1 C4 H11 119.320 C2 C1 C3 120.251
C2 C1 C4 120.251 C2 C8 H9 180.000
C3 C1 C4 119.498 C3 C5 C7 120.295
C3 C5 H12 119.634 C4 C6 C7 120.295
C4 C6 H13 119.634 C5 C3 H10 120.633
C5 C7 C6 119.818 C5 C7 H14 120.091
C6 C4 H11 120.633 C6 C7 H14 120.091
C7 C5 H12 120.072 C7 C6 H13 120.072
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability