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All results from a given calculation for C6H6 (Benzvalene)

using model chemistry: MP2=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-228.126342
Energy at 298.15K-228.132741
HF Energy-227.775879
Nuclear repulsion energy210.609226
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/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3573 3176 0.13      
2 A1 3559 3164 3.68      
3 A1 3526 3134 2.62      
4 A1 1703 1514 0.84      
5 A1 1542 1371 0.65      
6 A1 1293 1149 1.14      
7 A1 1202 1069 0.62      
8 A1 1075 956 0.63      
9 A1 1040 924 0.00      
10 A1 864 768 0.38      
11 A1 804 715 2.10      
12 A2 1229 1093 0.00      
13 A2 1036 921 0.00      
14 A2 981 872 0.00      
15 A2 941 836 0.00      
16 A2 574 511 0.00      
17 B1 3530 3138 7.48      
18 B1 1296 1152 6.17      
19 B1 1115 991 0.05      
20 B1 872 775 21.67      
21 B1 745 662 2.17      
22 B1 551 490 2.66      
23 B2 3542 3148 7.50      
24 B2 3525 3133 0.02      
25 B2 1480 1316 1.38      
26 B2 1421 1263 0.32      
27 B2 1335 1187 0.15      
28 B2 1072 952 0.57      
29 B2 925 822 0.04      
30 B2 884 786 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 23616.9 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 20993.1 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/STO-3G
ABC
0.24016 0.16901 0.12571

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.741 0.000 -1.033
C2 -0.741 0.000 -1.033
C3 0.000 1.085 -0.207
C4 0.000 -1.085 -0.207
C5 0.000 0.678 1.275
C6 0.000 -0.678 1.275
H7 1.531 0.000 -1.794
H8 -1.531 0.000 -1.794
H9 0.000 2.134 -0.542
H10 0.000 -2.134 -0.542
H11 0.000 1.376 2.122
H12 0.000 -1.376 2.122

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.48271.55201.55202.51762.51761.09682.39672.31152.31153.52063.5206
C21.48271.55201.55202.51762.51762.39671.09682.31152.31153.52063.5206
C31.55201.55202.16951.53702.30342.45772.45771.10103.23572.34663.3879
C41.55201.55202.16952.30341.53702.45772.45773.23571.10103.38792.3466
C52.51762.51761.53702.30341.35663.49643.49642.32813.34801.09682.2220
C62.51762.51762.30341.53701.35663.49643.49643.34802.32812.22201.0968
H71.09682.39672.45772.45773.49643.49643.06292.90942.90944.42374.4237
H82.39671.09682.45772.45773.49643.49643.06292.90942.90944.42374.4237
H92.31152.31151.10103.23572.32813.34802.90942.90944.26712.76904.4059
H102.31152.31153.23571.10103.34802.32812.90942.90944.26714.40592.7690
H113.52063.52062.34663.38791.09682.22204.42374.42372.76904.40592.7525
H123.52063.52063.38792.34662.22201.09684.42374.42374.40592.76902.7525

picture of Benzvalene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 61.467 C1 C2 C4 61.467
C1 C2 H8 136.083 C1 C3 C2 57.066
C1 C3 C5 109.179 C1 C3 H9 120.255
C1 C4 C2 57.066 C1 C4 C6 109.179
C1 C4 H10 120.255 C2 C1 C3 61.467
C2 C1 C4 61.467 C2 C1 H7 136.083
C2 C3 C5 109.179 C2 C3 H9 120.255
C2 C4 C6 109.179 C2 C4 H10 120.255
C3 C1 C4 88.683 C3 C1 H7 135.503
C3 C2 C4 88.683 C3 C2 H8 135.503
C3 C5 C6 105.334 C3 C5 H11 125.149
C4 C1 H7 135.503 C4 C2 H8 135.503
C4 C6 C5 105.334 C4 C6 H12 125.149
C5 C3 H9 123.047 C5 C6 H12 129.517
C6 C4 H10 123.047 C6 C5 H11 129.517
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability