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All results from a given calculation for C6H6 (Benzene)

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 D6H 1A1g
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-231.822638
Energy at 298.15K-231.829008
HF Energy-230.780291
Nuclear repulsion energy204.553218
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
(Å4/u)
Dep P Dep U
1 A1g 3256 3091 0.00 392.39 0.12 0.21
2 A1g 1024 972 0.00 61.80 0.08 0.14
3 A2g 1378 1309 0.00 0.00 0.00 0.00
4 A2u 708 672 108.04 0.00 0.00 0.00
5 B1u 3201 3039 0.00 0.00 0.75 0.86
6 B1u 1024 972 0.00 0.00 0.00 0.00
7 B2g 1001 951 0.00 0.00 0.75 0.86
8 B2g 721 685 0.00 0.00 0.75 0.86
9 B2u 1472 1398 0.00 0.00 0.75 0.86
10 B2u 1191 1131 0.00 0.00 0.75 0.86
11 E1g 878 834 0.00 0.15 0.75 0.86
11 E1g 878 834 0.00 0.15 0.75 0.86
12 E1u 3241 3077 24.09 0.00 0.00 0.00
12 E1u 3241 3077 24.09 0.00 0.00 0.00
13 E1u 1518 1442 8.15 0.00 0.00 0.00
13 E1u 1518 1442 8.15 0.00 0.00 0.00
14 E1u 1071 1017 4.65 0.00 0.00 0.00
14 E1u 1071 1017 4.65 0.00 0.00 0.00
15 E2g 3219 3056 0.00 121.62 0.75 0.86
15 E2g 3219 3056 0.00 121.62 0.75 0.86
16 E2g 1652 1568 0.00 8.18 0.75 0.86
16 E2g 1652 1568 0.00 8.18 0.75 0.86
17 E2g 1213 1151 0.00 6.16 0.75 0.86
17 E2g 1213 1151 0.00 6.16 0.75 0.86
18 E2g 611 580 0.00 3.52 0.75 0.86
18 E2g 611 580 0.00 3.52 0.75 0.86
19 E2u 985 935 0.00 0.00 0.00 0.00
19 E2u 985 935 0.00 0.00 0.00 0.00
20 E2u 412 391 0.00 0.00 0.00 0.00
20 E2u 412 391 0.00 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 22288.2 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 21160.4 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
0.19217 0.19217 0.09609

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

Point Group is D6h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.388 0.000
C2 1.202 0.694 0.000
C3 1.202 -0.694 0.000
C4 0.000 -1.388 0.000
C5 -1.202 -0.694 0.000
C6 -1.202 0.694 0.000
H7 0.000 2.465 0.000
H8 2.134 1.232 0.000
H9 2.134 -1.232 0.000
H10 0.000 -2.465 0.000
H11 -2.134 -1.232 0.000
H12 -2.134 1.232 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.38802.40412.77602.40411.38801.07662.14013.37963.85263.37962.1401
C21.38801.38802.40412.77602.40412.14011.07662.14013.37963.85263.3796
C32.40411.38801.38802.40412.77603.37962.14011.07662.14013.37963.8526
C42.77602.40411.38801.38802.40413.85263.37962.14011.07662.14013.3796
C52.40412.77602.40411.38801.38803.37963.85263.37962.14011.07662.1401
C61.38802.40412.77602.40411.38802.14013.37963.85263.37962.14011.0766
H71.07662.14013.37963.85263.37962.14012.46464.26884.92924.26882.4646
H82.14011.07662.14013.37963.85263.37962.46462.46464.26884.92924.2688
H93.37962.14011.07662.14013.37963.85264.26882.46462.46464.26884.9292
H103.85263.37962.14011.07662.14013.37964.92924.26882.46462.46464.2688
H113.37963.85263.37962.14011.07662.14014.26884.92924.26882.46462.4646
H122.14013.37963.85263.37962.14011.07662.46464.26884.92924.26882.4646

picture of Benzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.000 C1 C2 H8 120.000
C1 C6 C5 120.000 C1 C6 H12 120.000
C2 C1 C6 120.000 C2 C1 H7 120.000
C2 C3 C4 120.000 C2 C3 H9 120.000
C3 C2 H8 120.000 C3 C4 C5 120.000
C3 C4 H10 120.000 C4 C3 H9 120.000
C4 C5 C6 120.000 C4 C5 H11 120.000
C5 C4 H10 120.000 C5 C6 H12 120.000
C6 C1 H7 120.000 C6 C5 H11 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability