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All results from a given calculation for C6H5CCH (phenylacetylene)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31+G**
 hartrees
Energy at 0K-307.486958
Energy at 298.15K-307.490930
HF Energy-306.396619
Nuclear repulsion energy298.223998
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/6-31+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 154 145 1.38      
2 A 154 144 3.54      
3 A 3528 3314 73.64      
4 A 3279 3080 9.44      
5 A 3265 3067 8.47      
6 A 3250 3052 0.61      
7 A 2146 2016 0.40      
8 A 1669 1568 4.79      
9 A 1544 1450 14.58      
10 A 1240 1165 1.87      
11 A 1223 1148 0.05      
12 A 1062 998 5.22      
13 A 1023 961 0.18      
14 A 779 732 1.69      
15 A 471 443 0.25      
16 A 917 861 0.00      
17 A 834 783 0.00      
18 A 383 359 0.00      
19 A 908 853 0.14      
20 A 874 821 0.76      
21 A 722 678 120.16      
22 A 561 527 31.31      
23 A 417 392 13.22      
24 A 289 271 0.04      
25 A 125 117 4.25      
26 A 3272 3073 19.43      
27 A 3257 3059 0.89      
28 A 1641 1541 1.83      
29 A 1501 1410 3.60      
30 A 1456 1367 0.08      
31 A 1359 1276 0.00      
32 A 1206 1132 0.00      
33 A 1117 1049 5.00      
34 A 636 597 1.69      
35 A 626 588 53.41      
36 A 516 485 1.01      

Unscaled Zero Point Vibrational Energy (zpe) 23700.9 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 22259.9 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/6-31+G**
ABC
0.18932 0.05078 0.04004

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.589
C2 0.000 0.000 2.020
C3 0.000 1.214 -0.119
C4 0.000 -1.214 -0.119
C5 0.000 1.209 -1.513
C6 0.000 -1.209 -1.513
C7 0.000 0.000 -2.214
C8 0.000 0.000 3.244
H9 0.000 0.000 4.307
H10 0.000 2.148 0.428
H11 0.000 -2.148 0.428
H12 0.000 2.148 -2.052
H13 0.000 -2.148 -2.052
H14 0.000 0.000 -3.297

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.43061.40551.40552.42522.42522.80352.65493.71812.15382.15383.40403.40403.8856
C21.43062.45952.45953.73423.73424.23411.22422.28752.67332.67334.60334.60335.3163
C31.40552.45952.42801.39412.79542.42153.57564.58991.08233.40602.14633.87763.4013
C41.40552.45952.42802.79541.39412.42153.57564.58993.40601.08233.87762.14633.4013
C52.42523.73421.39412.79542.41791.39754.90855.94482.15643.87761.08223.39952.1544
C62.42523.73422.79541.39412.41791.39754.90855.94483.87762.15643.39951.08222.1544
C72.80354.23412.42152.42151.39751.39755.45836.52163.40513.40512.15382.15381.0821
C82.65491.22423.57563.57564.90854.90855.45831.06333.54153.54155.71475.71476.5405
H93.71812.28754.58994.58995.94485.94486.52161.06334.43414.43416.71196.71197.6037
H102.15382.67331.08233.40602.15643.87763.40513.54154.43414.29552.47984.95984.2994
H112.15382.67333.40601.08233.87762.15643.40513.54154.43414.29554.95982.47984.2994
H123.40404.60332.14633.87761.08223.39952.15385.71476.71192.47984.95984.29532.4823
H133.40404.60333.87762.14633.39951.08222.15385.71476.71194.95982.47984.29532.4823
H143.88565.31633.40133.40132.15442.15441.08216.54057.60374.29944.29942.48232.4823

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 120.053
C1 C3 H10 119.366 C1 C4 C6 120.053
C1 C4 H11 119.366 C2 C1 C3 120.262
C2 C1 C4 120.262 C2 C8 H9 180.000
C3 C1 C4 119.476 C3 C5 C7 120.318
C3 C5 H12 119.632 C4 C6 C7 120.318
C4 C6 H13 119.632 C5 C3 H10 120.581
C5 C7 C6 119.781 C5 C7 H14 120.110
C6 C4 H11 120.581 C6 C7 H14 120.110
C7 C5 H12 120.050 C7 C6 H13 120.050
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability