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All results from a given calculation for C6H4 (Benzyne)

using model chemistry: MP2=FULL/6-311G**

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/6-311G**
 hartrees
Energy at 0K-230.379169
Energy at 298.15K-230.382289
Nuclear repulsion energy186.817683
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/6-311G**
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 3244 3077 5.76      
2 A1 3220 3055 2.78      
3 A1 1934 1834 3.56      
4 A1 1498 1421 0.41      
5 A1 1376 1305 1.09      
6 A1 1166 1106 0.72      
7 A1 1066 1012 20.06      
8 A1 1005 953 4.13      
9 A1 608 576 0.08      
10 A2 891 846 0.00      
11 A2 846 803 0.00      
12 A2 521 495 0.00      
13 A2 469 445 0.00      
14 B1 881 836 0.42      
15 B1 738 700 83.14      
16 B1 381 361 5.74      
17 B2 3241 3075 16.08      
18 B2 3205 3041 0.36      
19 B2 1491 1414 0.74      
20 B2 1418 1345 12.06      
21 B2 1267 1202 0.00      
22 B2 1117 1059 0.83      
23 B2 871 826 10.72      
24 B2 589 558 9.73      

Unscaled Zero Point Vibrational Energy (zpe) 16520.5 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 15671.3 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/6-311G**
ABC
0.23305 0.18866 0.10426

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.633 -1.243
C2 0.000 -0.633 -1.243
C3 0.000 1.466 -0.128
C4 0.000 -1.466 -0.128
C5 0.000 0.706 1.057
C6 0.000 -0.706 1.057
H7 0.000 2.551 -0.125
H8 0.000 -2.551 -0.125
H9 0.000 1.229 2.011
H10 0.000 -1.229 2.011

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10
C11.26661.39172.37732.30202.66232.21993.37493.30833.7493
C21.26662.37731.39172.66232.30203.37492.21993.74933.3083
C31.39172.37732.93271.40872.47521.08444.01722.15263.4409
C42.37731.39172.93272.47521.40874.01721.08443.44092.1526
C52.30202.66231.40872.47521.41232.19103.46491.08722.1569
C62.66232.30202.47521.40871.41233.46492.19102.15691.0872
H72.21993.37491.08444.01722.19103.46495.10162.51184.3411
H83.37492.21994.01721.08443.46492.19105.10164.34112.5118
H93.30833.74932.15263.44091.08722.15692.51184.34112.4573
H103.74933.30833.44092.15262.15691.08724.34112.51182.4573

picture of Benzyne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 126.769 C1 C3 C5 110.571
C1 C3 H7 126.969 C2 C1 C3 126.769
C2 C4 C6 110.571 C2 C4 H8 126.969
C3 C5 C6 122.660 C3 C5 H9 118.618
C4 C6 C5 122.660 C4 C6 H10 118.618
C5 C3 H7 122.460 C5 C6 H10 118.722
C6 C4 H8 122.460 C6 C5 H9 118.722
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability