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All results from a given calculation for C6H6O (2,5-Cyclohexadienone)

using model chemistry: B2PLYP=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 B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-307.231715
Energy at 298.15K-307.238282
HF Energy-306.865719
Nuclear repulsion energy268.771368
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 B2PLYP=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 3214 3214 0.59      
2 A1 3179 3179 11.59      
3 A1 3025 3025 12.09      
4 A1 1737 1737 228.19      
5 A1 1690 1690 24.77      
6 A1 1465 1465 19.18      
7 A1 1427 1427 2.13      
8 A1 1203 1203 8.33      
9 A1 968 968 5.46      
10 A1 892 892 8.38      
11 A1 776 776 1.97      
12 A1 506 506 2.64      
13 A2 1225 1225 0.00      
14 A2 996 996 0.00      
15 A2 748 748 0.00      
16 A2 357 357 0.00      
17 B1 3039 3039 9.63      
18 B1 1011 1011 1.99      
19 B1 957 957 23.66      
20 B1 849 849 45.03      
21 B1 573 573 25.44      
22 B1 294 294 2.48      
23 B1 122 122 0.76      
24 B2 3213 3213 22.30      
25 B2 3178 3178 16.60      
26 B2 1662 1662 3.57      
27 B2 1433 1433 34.53      
28 B2 1398 1398 0.85      
29 B2 1286 1286 26.34      
30 B2 1153 1153 11.53      
31 B2 1003 1003 7.93      
32 B2 578 578 1.15      
33 B2 453 453 14.78      

Unscaled Zero Point Vibrational Energy (zpe) 22805.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 22805.5 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 B2PLYP=FULL/6-311G*
ABC
0.17492 0.08896 0.05960

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.114
C2 0.000 0.000 -1.822
C3 0.000 1.254 0.331
C4 0.000 -1.254 0.331
C5 0.000 1.256 -1.010
C6 0.000 -1.256 -1.010
O7 0.000 0.000 2.338
H8 0.000 2.174 0.906
H9 0.000 -2.174 0.906
H10 0.000 2.196 -1.555
H11 0.000 -2.196 -1.555
H12 0.866 0.000 -2.499
H13 -0.866 0.000 -2.499

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.93601.47861.47862.46752.46751.22432.18412.18413.45583.45583.71473.7147
C22.93602.49212.49211.49541.49544.16043.48833.48832.21232.21231.09901.0990
C31.47862.49212.50891.34132.84612.36681.08443.47642.10763.93213.21413.2141
C41.47862.49212.50892.84611.34132.36683.47641.08443.93212.10763.21413.2141
C52.46751.49541.34132.84612.51153.57612.12473.92871.08643.49452.13132.1313
C62.46751.49542.84611.34132.51153.57613.92872.12473.49451.08642.13132.1313
O71.22434.16042.36682.36683.57613.57612.60362.60364.46934.46934.91364.9136
H82.18413.48831.08443.47642.12473.92872.60364.34832.46035.01514.13114.1311
H92.18413.48833.47641.08443.92872.12472.60364.34835.01512.46034.13114.1311
H103.45582.21232.10763.93211.08643.49454.46932.46035.01514.39222.54252.5425
H113.45582.21233.93212.10763.49451.08644.46935.01512.46034.39222.54252.5425
H123.71471.09903.21413.21412.13132.13134.91364.13114.13112.54252.54251.7326
H133.71471.09903.21413.21412.13132.13134.91364.13114.13112.54252.54251.7326

picture of 2,5-Cyclohexadienone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C5 122.018 C1 C3 H8 116.042
C1 C4 C6 122.018 C1 C4 H9 116.042
C2 C5 C3 122.831 C2 C5 H10 117.052
C2 C6 C4 122.831 C2 C6 H11 117.052
C3 C1 C4 116.077 C3 C1 O7 121.961
C3 C5 H10 120.117 C4 C1 O7 121.961
C4 C6 H11 120.117 C5 C2 C6 114.226
C5 C2 H12 109.519 C5 C2 H13 109.519
C5 C3 H8 121.940 C6 C2 H12 109.519
C6 C2 H13 109.519 C6 C4 H9 121.940
H12 C2 H13 104.049
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability