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All results from a given calculation for C6H6 (Benzvalene)

using model chemistry: MP2/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-230.983298
Energy at 298.15K-230.989544
HF Energy-230.470080
Nuclear repulsion energy208.863224
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/LANL2DZ
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 3270 3149 1.31      
2 A1 3260 3140 20.01      
3 A1 3208 3090 3.50      
4 A1 1527 1470 4.96      
5 A1 1335 1286 0.07      
6 A1 1148 1105 1.32      
7 A1 1109 1068 9.45      
8 A1 984 948 0.34      
9 A1 869 837 0.11      
10 A1 792 763 14.05      
11 A1 658 634 2.02      
12 A2 1134 1092 0.00      
13 A2 916 882 0.00      
14 A2 871 839 0.00      
15 A2 731 704 0.00      
16 A2 528 508 0.00      
17 B1 3247 3127 6.61      
18 B1 1108 1067 27.26      
19 B1 999 962 1.78      
20 B1 727 701 136.06      
21 B1 598 576 0.63      
22 B1 515 496 15.07      
23 B2 3229 3110 14.85      
24 B2 3205 3087 20.20      
25 B2 1331 1282 6.59      
26 B2 1257 1211 0.57      
27 B2 1192 1148 1.39      
28 B2 993 956 0.11      
29 B2 855 823 3.33      
30 B2 818 788 13.29      

Unscaled Zero Point Vibrational Energy (zpe) 21206.4 cm-1
Scaled (by 0.9631) Zero Point Vibrational Energy (zpe) 20423.9 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/LANL2DZ
ABC
0.23296 0.16807 0.12414

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.759 0.000 -1.033
C2 -0.759 0.000 -1.033
C3 0.000 1.107 -0.202
C4 0.000 -1.107 -0.202
C5 0.000 0.690 1.274
C6 0.000 -0.690 1.274
H7 1.515 0.000 -1.815
H8 -1.515 0.000 -1.815
H9 0.000 2.146 -0.541
H10 0.000 -2.146 -0.541
H11 0.000 1.375 2.122
H12 0.000 -1.375 2.122

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.51711.57831.57832.52482.52481.08802.40422.32892.32893.52423.5242
C21.51711.57831.57832.52482.52482.40421.08802.32892.32893.52423.5242
C31.57831.57832.21421.53442.32572.47422.47421.09313.27102.33983.4003
C41.57831.57832.21422.32571.53442.47422.47423.27101.09313.40032.3398
C52.52482.52481.53442.32571.37953.50933.50932.32763.36741.08992.2317
C62.52482.52482.32571.53441.37953.50933.50933.36742.32762.23171.0899
H71.08802.40422.47422.47423.50933.50933.02962.91972.91974.43704.4370
H82.40421.08802.47422.47423.50933.50933.02962.91972.91974.43704.4370
H92.32892.32891.09313.27102.32763.36742.91972.91974.29272.77304.4149
H102.32892.32893.27101.09313.36742.32762.91972.91974.29274.41492.7730
H113.52423.52422.33983.40031.08992.23174.43704.43702.77304.41492.7492
H123.52423.52423.40032.33982.23171.08994.43704.43704.41492.77302.7492

picture of Benzvalene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 61.274 C1 C2 C4 61.274
C1 C2 H8 134.032 C1 C3 C2 57.451
C1 C3 C5 108.403 C1 C3 H9 120.244
C1 C4 C2 57.451 C1 C4 C6 108.403
C1 C4 H10 120.244 C2 C1 C3 61.274
C2 C1 C4 61.274 C2 C1 H7 134.032
C2 C3 C5 108.403 C2 C3 H9 120.244
C2 C4 C6 108.403 C2 C4 H10 120.244
C3 C1 C4 89.085 C3 C1 H7 135.434
C3 C2 C4 89.085 C3 C2 H8 135.434
C3 C5 C6 105.782 C3 C5 H11 125.290
C4 C1 H7 135.434 C4 C2 H8 135.434
C4 C6 C5 105.782 C4 C6 H12 125.290
C5 C3 H9 123.845 C5 C6 H12 128.928
C6 C4 H10 123.845 C6 C5 H11 128.928
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability