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All results from a given calculation for C6H6 (Prismane)

using model chemistry: QCISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at QCISD/3-21G*
 hartrees
Energy at 0K-229.772442
Energy at 298.15K-229.779016
HF Energy-229.194785
Nuclear repulsion energy215.019882
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/3-21G*
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' 3255 3128 0.00      
2 A1' 1228 1180 0.00      
3 A1' 1080 1038 0.00      
4 A1' 931 895 0.00      
5 A1" 1044 1003 0.00      
6 A1" 639 614 0.00      
7 A2' 1076 1034 0.00      
8 A2" 3237 3111 33.79      
9 A2" 1281 1231 0.03      
10 A2" 921 885 3.09      
11 E' 3230 3104 14.40      
11 E' 3230 3104 14.40      
12 E' 1251 1202 14.95      
12 E' 1251 1202 14.95      
13 E' 979 941 6.94      
13 E' 979 941 6.94      
14 E' 810 778 0.33      
14 E' 810 778 0.33      
15 E' 799 768 43.79      
15 E' 799 768 43.79      
16 E" 3219 3094 0.00      
16 E" 3219 3094 0.00      
17 E" 1176 1130 0.00      
17 E" 1176 1130 0.00      
18 E" 1048 1007 0.00      
18 E" 1048 1007 0.00      
19 E" 762 732 0.00      
19 E" 762 732 0.00      
20 E" 699 671 0.00      
20 E" 699 671 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21317.4 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 20488.2 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/3-21G*
ABC
0.21942 0.17197 0.17197

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G*

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.906 0.797
C2 -0.784 -0.453 0.797
C3 0.784 -0.453 0.797
C4 0.000 0.906 -0.797
C5 0.784 -0.453 -0.797
C6 -0.784 -0.453 -0.797
H7 0.000 1.715 1.515
H8 -1.485 -0.857 1.515
H9 1.485 -0.857 1.515
H10 0.000 1.715 -1.515
H11 1.485 -0.857 -1.515
H12 -1.485 -0.857 -1.515

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.56851.56851.59412.23632.23631.08172.41432.41432.44933.26473.2647
C21.56851.56852.23632.23631.59412.41431.08172.41433.26473.26472.4493
C31.56851.56852.23631.59412.23632.41432.41431.08173.26472.44933.2647
C41.59412.23632.23631.56851.56852.44933.26473.26471.08172.41432.4143
C52.23632.23631.59411.56851.56853.26473.26472.44932.41431.08172.4143
C62.23631.59412.23631.56851.56853.26472.44933.26472.41432.41431.0817
H71.08172.41432.41432.44933.26473.26472.97032.97033.02944.24264.2426
H82.41431.08172.41433.26473.26472.44932.97032.97034.24264.24263.0294
H92.41432.41431.08173.26472.44933.26472.97032.97034.24263.02944.2426
H102.44933.26473.26471.08172.41432.41433.02944.24264.24262.97032.9703
H113.26473.26472.44932.41431.08172.41434.24264.24263.02942.97032.9703
H123.26472.44933.26472.41432.41431.08174.24263.02944.24262.97032.9703

picture of Prismane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 60.000 C1 C2 C6 90.000
C1 C2 H8 130.388 C1 C3 C2 60.000
C1 C3 C5 90.000 C1 C3 H9 130.388
C1 C4 C5 90.000 C1 C4 C6 90.000
C1 C4 H10 131.565 C2 C1 C3 60.000
C2 C1 C4 90.000 C2 C1 H7 130.388
C2 C3 C5 90.000 C2 C3 H9 130.388
C2 C6 C4 90.000 C2 C6 C5 90.000
C2 C6 H12 131.565 C3 C1 C4 90.000
C3 C1 H7 130.388 C3 C2 C6 90.000
C3 C2 H8 130.388 C3 C5 C4 90.000
C3 C5 C6 90.000 C3 C5 H11 131.565
C4 C1 H7 131.565 C4 C5 C6 60.000
C4 C5 H11 130.388 C4 C6 H12 130.388
C5 C3 H9 131.565 C5 C4 C6 60.000
C5 C4 H10 130.388 C5 C6 H12 130.388
C6 C2 H8 131.565 C6 C4 C5 60.000
C6 C4 H10 130.388 C6 C5 H11 130.388
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability