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All results from a given calculation for C6H5CCH (phenylacetylene)

using model chemistry: MP2=FULL/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 MP2=FULL/cc-pVDZ
 hartrees
Energy at 0K-307.449105
Energy at 298.15K-307.453767
HF Energy-306.396875
Nuclear repulsion energy296.378593
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-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 3499 3326 79.89      
2 A 3253 3092 7.50      
3 A 3239 3078 7.46      
4 A 3222 3062 0.44      
5 A 2126 2020 0.22      
6 A 1657 1574 3.84      
7 A 1518 1443 16.08      
8 A 1228 1167 1.60      
9 A 1192 1133 0.02      
10 A 1050 998 3.99      
11 A 1011 960 0.71      
12 A 771 733 1.81      
13 A 465 442 0.30      
14 A 956 909 0.00      
15 A 852 810 0.00      
16 A 399 379 0.00      
17 A 961 913 0.01      
18 A 906 861 1.83      
19 A 745 708 74.22      
20 A 640 608 0.04      
21 A 583 554 20.79      
22 A 494 470 15.34      
23 A 347 329 0.79      
24 A 138 131 1.53      
25 A 3246 3085 15.20      
26 A 3230 3070 1.19      
27 A 1629 1548 1.92      
28 A 1488 1414 2.89      
29 A 1452 1380 1.88      
30 A 1323 1257 0.06      
31 A 1174 1116 0.00      
32 A 1097 1043 4.87      
33 A 624 593 1.67      
34 A 622 591 35.72      
35 A 502 477 0.54      
36 A 147 139 0.90      

Unscaled Zero Point Vibrational Energy (zpe) 23892.0 cm-1
Scaled (by 0.9504) Zero Point Vibrational Energy (zpe) 22707.0 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 MP2=FULL/cc-pVDZ
ABC
0.18723 0.05015 0.03955

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.592
C2 0.000 0.000 2.031
C3 0.000 1.220 -0.121
C4 0.000 -1.220 -0.121
C5 0.000 1.215 -1.522
C6 0.000 -1.215 -1.522
C7 0.000 0.000 -2.227
C8 0.000 0.000 3.265
H9 0.000 0.000 4.340
H10 0.000 2.163 0.433
H11 0.000 -2.163 0.433
H12 0.000 2.164 -2.066
H13 0.000 -2.164 -2.066
H14 0.000 0.000 -3.321

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.43921.41281.41282.43852.43852.81912.67323.74842.16892.16893.42793.42793.9130
C21.43922.47352.47353.75543.75544.25831.23402.30922.68922.68924.63394.63395.3522
C31.41282.47352.44001.40172.80982.43443.59884.62471.09373.42812.16283.90383.4252
C41.41282.47352.44002.80981.40172.43443.59884.62473.42811.09373.90382.16283.4252
C52.43853.75541.40172.80982.43051.40494.93925.98712.17313.90351.09403.42312.1709
C62.43853.75542.80981.40172.43051.40494.93925.98713.90352.17313.42311.09402.1709
C72.81914.25832.43442.43441.40491.40495.49236.56753.42883.42882.17032.17031.0939
C82.67321.23403.59883.59884.93924.93925.49231.07523.56353.56355.75405.75406.5862
H93.74842.30924.62474.62475.98715.98716.56751.07524.46584.46586.76236.76237.6614
H102.16892.68921.09373.42812.17313.90353.42883.56354.46584.32612.49964.99744.3329
H112.16892.68923.42811.09373.90352.17313.42883.56354.46584.32614.99742.49964.3329
H123.42794.63392.16283.90381.09403.42312.17035.75406.76232.49964.99744.32872.5018
H133.42794.63393.90382.16283.42311.09402.17035.75406.76234.99742.49964.32872.5018
H143.91305.35223.42523.42522.17092.17091.09396.58627.66144.33294.33292.50182.5018

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 120.091
C1 C3 H10 119.291 C1 C4 C6 120.091
C1 C4 H11 119.291 C2 C1 C3 120.285
C2 C1 C4 120.285 C2 C8 H9 180.000
C3 C1 C4 119.431 C3 C5 C7 120.310
C3 C5 H12 119.631 C4 C6 C7 120.310
C4 C6 H13 119.631 C5 C3 H10 120.617
C5 C7 C6 119.766 C5 C7 H14 120.117
C6 C4 H11 120.617 C6 C7 H14 120.117
C7 C5 H12 120.059 C7 C6 H13 120.059
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability