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All results from a given calculation for C8H6 (Calicene)

using model chemistry: QCISD/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/TZVP
 hartrees
Energy at 0K-307.496383
Energy at 298.15K 
HF Energy-306.381273
Nuclear repulsion energy299.890429
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 QCISD/TZVP
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 3346 3197 14.49      
2 A1 3268 3122 14.23      
3 A1 3244 3099 4.63      
4 A1 1828 1747 679.38      
5 A1 1598 1527 93.93      
6 A1 1524 1456 116.71      
7 A1 1428 1364 103.72      
8 A1 1226 1171 26.09      
9 A1 1098 1049 9.76      
10 A1 1022 976 16.78      
11 A1 964 921 6.15      
12 A1 890 851 65.05      
13 A1 490 468 1.40      
14 A2 844 806 0.00      
15 A2 717 685 0.00      
16 A2 596 569 0.00      
17 A2 245 234 0.00      
18 A2 208 199 0.00      
19 B1 792 757 1.07      
20 B1 651 621 148.33      
21 B1 594 568 13.40      
22 B1 390 373 1.42      
23 B1 168 160 9.14      
24 B1 475i 454i 0.95      
25 B2 3307 3159 4.91      
26 B2 3259 3114 25.18      
27 B2 3236 3091 0.63      
28 B2 1609 1537 1.04      
29 B2 1367 1306 0.27      
30 B2 1248 1192 2.06      
31 B2 1140 1089 13.76      
32 B2 1117 1067 5.61      
33 B2 966 923 6.25      
34 B2 840 803 1.66      
35 B2 500 477 1.20      
36 B2 148 141 1.53      

Unscaled Zero Point Vibrational Energy (zpe) 22696.0 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 21681.5 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 QCISD/TZVP
ABC
0.22551 0.04754 0.03926

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.041
C2 0.000 0.000 1.303
C3 0.000 0.662 2.570
C4 0.000 -0.662 2.570
C5 0.000 1.172 -0.913
C6 0.000 -1.172 -0.913
C7 0.000 0.732 -2.200
C8 0.000 -0.732 -2.200
H9 0.000 1.579 3.131
H10 0.000 -1.579 3.131
H11 0.000 2.197 -0.571
H12 0.000 -2.197 -0.571
H13 0.000 1.349 -3.087
H14 0.000 -1.349 -3.087

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 C7 C8 H9 H10 H11 H12 H13 H14
C11.34452.69342.69341.46091.46092.27892.27893.54383.54382.26032.26033.33093.3309
C21.34451.42881.42882.50722.50723.57833.57832.41552.41552.88792.88794.59264.5926
C32.69341.42881.32333.51993.93604.76974.96851.07532.30963.49584.24695.69816.0032
C42.69341.42881.32333.93603.51994.96854.76972.30961.07534.24693.49586.00325.6981
C51.46092.50723.51993.93602.34461.35992.29784.06494.89141.08073.38702.18103.3288
C61.46092.50723.93603.51992.34462.29781.35994.89144.06493.38701.08073.32882.1810
C72.27893.57834.76974.96851.35992.29781.46315.39795.81002.19123.35141.08092.2616
C82.27893.57834.96854.76972.29781.35991.46315.81005.39793.35142.19122.26161.0809
H93.54382.41551.07532.30964.06494.89145.39795.81003.15713.75365.28816.22276.8730
H103.54382.41552.30961.07534.89144.06495.81005.39793.15715.28813.75366.87306.2227
H112.26032.88793.49584.24691.08073.38702.19123.35143.75365.28814.39472.65554.3480
H122.26032.88794.24693.49583.38701.08073.35142.19125.28813.75364.39474.34802.6555
H133.33094.59265.69816.00322.18103.32881.08092.26166.22276.87302.65554.34802.6973
H143.33094.59266.00325.69813.32882.18102.26161.08096.87306.22274.34802.65552.6973

picture of Calicene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 152.414 C1 C2 C4 152.414
C1 C5 C7 107.726 C1 C5 H11 124.899
C1 C6 C8 107.726 C1 C6 H12 124.899
C2 C1 C5 126.636 C2 C1 C6 126.636
C2 C3 C4 62.414 C2 C3 H9 149.086
C2 C4 C3 62.414 C2 C4 H10 149.086
C3 C2 C4 55.172 C3 C4 H10 148.500
C4 C3 H9 148.500 C5 C1 C6 106.728
C5 C7 C8 108.910 C5 C7 H13 126.277
C6 C8 C7 108.910 C6 C8 H14 126.277
C7 C5 H11 127.375 C7 C8 H14 124.813
C8 C6 H12 127.375 C8 C7 H13 124.813
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability