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All results from a given calculation for C6H5CCH (phenylacetylene)

using model chemistry: MP2=FULL/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 MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-307.843923
Energy at 298.15K-307.849015
HF Energy-306.478179
Nuclear repulsion energy300.349492
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/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 A1 3496 3319 79.89      
2 A1 3256 3091 5.91      
3 A1 3239 3075 5.94      
4 A1 3216 3054 0.35      
5 A1 2149 2040 0.35      
6 A1 1660 1576 3.85      
7 A1 1532 1454 15.38      
8 A1 1242 1180 1.22      
9 A1 1213 1152 0.04      
10 A1 1060 1006 4.32      
11 A1 1027 975 0.23      
12 A1 779 740 1.60      
13 A1 473 449 0.37      
14 A2 1004 953 0.00      
15 A2 884 839 0.00      
16 A2 416 395 0.00      
17 B1 1011 960 0.48      
18 B1 967 918 5.77      
19 B1 815 774 32.87      
20 B1 727 690 38.18      
21 B1 687 652 47.77      
22 B1 591 561 0.13      
23 B1 390 370 6.20      
24 B1 150 142 2.02      
25 B2 3247 3082 11.69      
26 B2 3227 3064 1.19      
27 B2 1629 1546 2.10      
28 B2 1494 1418 3.93      
29 B2 1458 1385 0.99      
30 B2 1343 1275 0.05      
31 B2 1200 1139 0.01      
32 B2 1109 1053 4.71      
33 B2 680 646 36.46      
34 B2 633 601 0.59      
35 B2 534 507 4.86      
36 B2 163 154 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 24348.8 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 23116.8 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/cc-pVTZ
ABC
0.19215 0.05151 0.04062

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.585
C2 0.000 0.000 2.006
C3 0.000 1.204 -0.117
C4 0.000 -1.204 -0.117
C5 0.000 1.201 -1.502
C6 0.000 -1.201 -1.502
C7 0.000 0.000 -2.199
C8 0.000 0.000 3.218
H9 0.000 0.000 4.274
H10 0.000 2.132 0.428
H11 0.000 -2.132 0.428
H12 0.000 2.135 -2.037
H13 0.000 -2.135 -2.037
H14 0.000 0.000 -3.276

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.42051.39371.39372.40862.40862.78432.63243.68912.13832.13833.38203.38203.8607
C21.42052.44042.44043.70813.70814.20481.21182.26862.65282.65284.57244.57245.2812
C31.39372.44042.40741.38532.77532.40483.54534.55351.07693.38042.13433.85183.3799
C41.39372.44042.40742.77531.38532.40483.54534.55353.38041.07693.85182.13433.3799
C52.40863.70811.38532.77532.40221.38854.87055.90042.14323.85211.07653.37902.1416
C62.40863.70812.77531.38532.40221.38854.87055.90043.85212.14323.37901.07652.1416
C72.78434.20482.40482.40481.38851.38855.41676.47353.38353.38352.14142.14141.0764
C82.63241.21183.54533.54534.87054.87055.41671.05683.51153.51155.67235.67236.4931
H93.68912.26864.55354.55355.90045.90046.47351.05684.39814.39816.66326.66327.5499
H102.13832.65281.07693.38042.14323.85213.38353.51154.39814.26502.46524.92864.2734
H112.13832.65283.38041.07693.85212.14323.38353.51154.39814.26504.92862.46524.2734
H123.38204.57242.13433.85181.07653.37902.14145.67236.66322.46524.92864.27062.4683
H133.38204.57243.85182.13433.37901.07652.14145.67236.66324.92862.46524.27062.4683
H143.86075.28123.37993.37992.14162.14161.07646.49317.54994.27344.27342.46832.4683

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 120.158
C1 C3 H10 119.332 C1 C4 C6 120.158
C1 C4 H11 119.332 C2 C1 C3 120.265
C2 C1 C4 120.265 C2 C8 H9 180.000
C3 C1 C4 119.470 C3 C5 C7 120.219
C3 C5 H12 119.690 C4 C6 C7 120.219
C4 C6 H13 119.690 C5 C3 H10 120.510
C5 C7 C6 119.775 C5 C7 H14 120.112
C6 C4 H11 120.510 C6 C7 H14 120.112
C7 C5 H12 120.091 C7 C6 H13 120.091
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability