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All results from a given calculation for C6H6 (1,2,4,5-Hexatetraene)

using model chemistry: MP2/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/STO-3G
 hartrees
Energy at 0K-228.079354
Energy at 298.15K-228.082984
HF Energy-227.703450
Nuclear repulsion energy173.605068
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/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3472 3027 0.00      
2 Ag 3423 2985 0.00      
3 Ag 2137 1863 0.00      
4 Ag 1644 1433 0.00      
5 Ag 1529 1333 0.00      
6 Ag 1238 1079 0.00      
7 Ag 1093 953 0.00      
8 Ag 943 822 0.00      
9 Ag 549 479 0.00      
10 Ag 228 199 0.00      
11 Au 3561 3105 0.71      
12 Au 1122 978 0.00      
13 Au 1011 881 13.32      
14 Au 505 440 3.02      
15 Au 342 299 1.49      
16 Au 75 65 0.08      
17 Bg 3561 3105 0.00      
18 Bg 1124 980 0.00      
19 Bg 974 849 0.00      
20 Bg 719 627 0.00      
21 Bg 316 276 0.00      
22 Bu 3476 3030 14.09      
23 Bu 3424 2985 15.06      
24 Bu 2156 1880 9.89      
25 Bu 1623 1416 10.16      
26 Bu 1374 1198 16.88      
27 Bu 1157 1009 0.75      
28 Bu 944 823 42.11      
29 Bu 551 480 4.80      
30 Bu 122 106 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 22196.2 cm-1
Scaled (by 0.8719) Zero Point Vibrational Energy (zpe) 19352.9 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/STO-3G
ABC
1.02760 0.04401 0.04296

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.336 0.677 0.000
C2 0.336 -0.677 0.000
C3 0.336 1.826 0.000
C4 -0.336 -1.826 0.000
C5 1.007 2.966 0.000
C6 -1.007 -2.966 0.000
H7 -1.440 0.682 0.000
H8 1.440 -0.682 0.000
H9 1.301 3.468 0.935
H10 1.301 3.468 -0.935
H11 -1.301 -3.468 0.935
H12 -1.301 -3.468 -0.935

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.51141.33092.50362.65353.70451.10422.23593.36813.36814.35804.3580
C21.51142.50361.33093.70452.65352.23591.10424.35804.35803.36813.3681
C31.33092.50363.71411.32264.97702.11202.74102.12192.12195.62045.6204
C42.50361.33093.71414.97701.32262.74102.11205.62045.62042.12192.1219
C52.65353.70451.32264.97706.26453.34673.67401.10161.10166.89956.8995
C63.70452.65354.97701.32266.26453.67403.34676.89956.89951.10161.1016
H71.10422.23592.11202.74103.34673.67403.18644.01864.01864.25694.2569
H82.23591.10422.74102.11203.67403.34673.18644.25694.25694.01864.0186
H93.36814.35802.12195.62041.10166.89954.01864.25691.87047.40887.6412
H103.36814.35802.12195.62041.10166.89954.01864.25691.87047.64127.4088
H114.35803.36815.62042.12196.89951.10164.25694.01867.40887.64121.8704
H124.35803.36815.62042.12196.89951.10164.25694.01867.64127.40881.8704

picture of 1,2,4,5-Hexatetraene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 123.363 C1 C2 H8 116.626
C1 C3 C5 179.783 C2 C1 C3 123.363
C2 C1 H7 116.626 C2 C4 C6 179.783
C3 C1 H7 120.010 C3 C5 H9 121.905
C3 C5 H10 121.905 C4 C2 H8 120.010
C4 C6 H11 121.905 C4 C6 H12 121.905
H9 C5 H10 116.191 H11 C6 H12 116.191
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability