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

using model chemistry: MP3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/cc-pVTZ
 hartrees
Energy at 0K-306.845928
Energy at 298.15K-306.852619
HF Energy-305.647529
Nuclear repulsion energy269.572740
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 MP3/cc-pVTZ
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 3254 3074 0.10      
2 A1 3216 3038 4.29      
3 A1 3059 2890 8.93      
4 A1 1839 1737 261.08      
5 A1 1741 1645 0.00      
6 A1 1465 1384 12.73      
7 A1 1438 1358 4.07      
8 A1 1204 1138 5.19      
9 A1 979 925 3.75      
10 A1 899 849 8.05      
11 A1 785 742 2.33      
12 A1 506 478 2.14      
13 A2 1232 1164 0.00      
14 A2 1027 970 0.00      
15 A2 763 721 0.00      
16 A2 366 346 0.00      
17 B1 3081 2910 5.83      
18 B1 1041 984 1.46      
19 B1 969 916 26.34      
20 B1 866 818 37.48      
21 B1 586 553 20.98      
22 B1 316 298 2.25      
23 B1 122 115 1.22      
24 B2 3252 3072 11.03      
25 B2 3215 3037 10.66      
26 B2 1711 1616 2.07      
27 B2 1455 1375 37.09      
28 B2 1408 1331 1.97      
29 B2 1298 1227 26.56      
30 B2 1156 1092 5.91      
31 B2 1012 956 4.57      
32 B2 583 551 0.37      
33 B2 460 435 14.99      

Unscaled Zero Point Vibrational Energy (zpe) 23151.9 cm-1
Scaled (by 0.9447) Zero Point Vibrational Energy (zpe) 21871.6 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 MP3/cc-pVTZ
ABC
0.17492 0.08979 0.05997

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.112
C2 0.000 0.000 -1.819
C3 0.000 1.257 0.331
C4 0.000 -1.257 0.331
C5 0.000 1.255 -1.005
C6 0.000 -1.255 -1.005
O7 0.000 0.000 2.323
H8 0.000 2.173 0.902
H9 0.000 -2.173 0.902
H10 0.000 2.190 -1.546
H11 0.000 -2.190 -1.546
H12 0.867 0.000 -2.486
H13 -0.867 0.000 -2.486

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12 H13
C12.93041.47941.47942.46052.46051.21162.18282.18283.44453.44453.70113.7011
C22.93042.49002.49001.49541.49544.14213.48143.48142.20732.20731.09401.0940
C31.47942.49002.51331.33592.84442.35561.07923.47642.09693.92523.20443.2044
C41.47942.49002.51332.84441.33592.35563.47641.07923.92522.09693.20443.2044
C52.46051.49541.33592.84442.50923.55682.11603.92181.08133.48742.12612.1261
C62.46051.49542.84441.33592.50923.55683.92182.11603.48741.08132.12612.1261
O71.21164.14212.35562.35563.55683.55682.59652.59654.44684.44684.88734.8873
H82.18283.48141.07923.47642.11603.92182.59654.34532.44815.00304.11714.1171
H92.18283.48143.47641.07923.92182.11602.59654.34535.00302.44814.11714.1171
H103.44452.20732.09693.92521.08133.48744.44682.44815.00304.38102.53632.5363
H113.44452.20733.92522.09693.48741.08134.44685.00302.44814.38102.53632.5363
H123.70111.09403.20443.20442.12612.12614.88734.11714.11712.53632.53631.7330
H133.70111.09403.20443.20442.12612.12614.88734.11714.11712.53632.53631.7330

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 121.765 C1 C3 H8 116.228
C1 C4 C6 121.765 C1 C4 H9 116.228
C2 C5 C3 123.058 C2 C5 H10 116.972
C2 C6 C4 123.058 C2 C6 H11 116.972
C3 C1 C4 116.294 C3 C1 O7 121.853
C3 C5 H10 119.970 C4 C1 O7 121.853
C4 C6 H11 119.970 C5 C2 C6 114.059
C5 C2 H12 109.403 C5 C2 H13 109.403
C5 C3 H8 122.006 C6 C2 H12 109.403
C6 C2 H13 109.403 C6 C4 H9 122.006
H12 C2 H13 104.758
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability