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All results from a given calculation for C6H6 (Hexa-1,5-diene-3-yne)

using model chemistry: MP4=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP4=FULL/3-21G
 hartrees
Energy at 0K-229.919416
Energy at 298.15K-229.923015
HF Energy-229.309993
Nuclear repulsion energy173.051649
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 MP4=FULL/3-21G
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 3215 3147        
2 Ag 3133 3067        
3 Ag 3121 3055        
4 Ag 2225 2178        
5 Ag 1626 1592        
6 Ag 1487 1456        
7 Ag 1356 1327        
8 Ag 1131 1107        
9 Ag 703 688        
10 Ag 540 529        
11 Ag 235 230        
12 Au 1001 980        
13 Au 921 901        
14 Au 669 655        
15 Au 165 162        
16 Au 33 33        
17 Bg 999 977        
18 Bg 921 902        
19 Bg 651 637        
20 Bg 222 218        
21 Bu 3215 3147        
22 Bu 3133 3067        
23 Bu 3121 3055        
24 Bu 1639 1604        
25 Bu 1499 1467        
26 Bu 1358 1329        
27 Bu 1196 1170        
28 Bu 1019 998        
29 Bu 543 532        
30 Bu 108 106        

Unscaled Zero Point Vibrational Energy (zpe) 20592.9 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 20156.3 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 MP4=FULL/3-21G
ABC
0.84832 0.04441 0.04220

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.615 0.000
C2 0.000 -0.615 0.000
C3 0.000 2.060 0.000
C4 0.000 -2.060 0.000
C5 1.126 2.813 0.000
C6 -1.126 -2.813 0.000
H7 -0.979 2.546 0.000
H8 0.979 -2.546 0.000
H9 2.119 2.364 0.000
H10 1.074 3.901 0.000
H11 -2.119 -2.364 0.000
H12 -1.074 -3.901 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.22961.44492.67452.46943.60762.16523.30902.74803.45713.65594.6416
C21.22962.67451.44493.60762.46943.30902.16523.65594.64162.74803.4571
C31.44492.67454.11951.35445.00071.09284.70882.14102.13164.90536.0565
C42.67451.44494.11955.00071.35444.70881.09284.90536.05652.14102.1316
C52.46943.60761.35445.00076.05912.12135.36081.08991.08946.10987.0647
C63.60762.46945.00071.35446.05915.36082.12136.10987.06471.08991.0894
H72.16523.30901.09284.70882.12135.36085.45563.10322.45965.04116.4477
H83.30902.16524.70881.09285.36082.12135.45565.04116.44773.10322.4596
H92.74803.65592.14104.90531.08996.10983.10325.04111.85826.34997.0320
H103.45714.64162.13166.05651.08947.06472.45966.44771.85827.03208.0920
H113.65592.74804.90532.14106.10981.08995.04113.10326.34997.03201.8582
H124.64163.45716.05652.13167.06471.08946.44772.45967.03208.09201.8582

picture of Hexa-1,5-diene-3-yne state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 180.000 C1 C3 C5 123.769
C1 C3 H7 116.434 C2 C1 C3 180.000
C2 C4 C6 123.769 C2 C4 H8 116.434
C3 C5 H9 121.935 C3 C5 H10 121.061
C4 C6 H11 121.935 C4 C6 H12 121.061
C5 C3 H7 119.797 C6 C4 H8 119.797
H9 C5 H10 117.004 H11 C6 H12 117.004
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability