return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H12O (Oxepane)

using model chemistry: CCSD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCSD/6-311G**
 hartrees
Energy at 0K-310.287347
Energy at 298.15K 
HF Energy-309.119020
Nuclear repulsion energy335.120171
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 CCSD/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3113 3113 71.43      
2 A 3101 3101 73.38      
3 A 3097 3097 5.09      
4 A 3093 3093 63.44      
5 A 3085 3085 20.88      
6 A 3079 3079 40.66      
7 A 3054 3054 19.87      
8 A 3049 3049 34.75      
9 A 3047 3047 34.23      
10 A 3032 3032 21.10      
11 A 3029 3029 34.29      
12 A 3010 3010 69.11      
13 A 1540 1540 4.73      
14 A 1529 1529 1.26      
15 A 1519 1519 4.79      
16 A 1514 1514 4.24      
17 A 1509 1509 4.29      
18 A 1496 1496 2.09      
19 A 1449 1449 5.83      
20 A 1433 1433 15.45      
21 A 1428 1428 0.15      
22 A 1419 1419 3.64      
23 A 1408 1408 0.39      
24 A 1381 1381 0.02      
25 A 1353 1353 4.32      
26 A 1336 1336 16.48      
27 A 1307 1307 3.60      
28 A 1294 1294 19.90      
29 A 1263 1263 2.54      
30 A 1225 1225 10.06      
31 A 1209 1209 85.21      
32 A 1160 1160 13.05      
33 A 1141 1141 3.25      
34 A 1067 1067 5.32      
35 A 1050 1050 9.53      
36 A 1044 1044 9.05      
37 A 1005 1005 8.12      
38 A 921 921 3.76      
39 A 917 917 0.17      
40 A 876 876 2.74      
41 A 847 847 3.31      
42 A 826 826 5.01      
43 A 774 774 0.92      
44 A 569 569 6.05      
45 A 509 509 2.03      
46 A 423 423 1.75      
47 A 363 363 0.56      
48 A 322 322 0.07      
49 A 269 269 2.73      
50 A 194 194 2.56      
51 A 153 153 2.03      

Unscaled Zero Point Vibrational Energy (zpe) 38915.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 38915.0 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 CCSD/6-311G**
ABC
0.11147 0.10040 0.06081

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.779 -1.183 -0.511
C2 -1.697 -0.220 -0.029
C3 -1.063 1.109 0.416
C4 0.185 1.510 -0.391
C5 1.471 0.842 0.127
C6 1.554 -0.676 -0.092
C7 0.314 -1.452 0.354
H8 -2.372 -0.041 -0.873
H9 -2.295 -0.640 0.797
H10 -1.835 1.885 0.331
H11 -0.789 1.064 1.479
H12 0.037 1.273 -1.453
H13 0.315 2.597 -0.319
H14 2.340 1.311 -0.355
H15 1.558 1.057 1.202
H16 1.695 -0.888 -1.160
H17 2.433 -1.070 0.438
H18 0.056 -1.225 1.400
H19 0.510 -2.529 0.289

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19
O11.41522.48872.86283.09352.42381.41901.99382.07483.35233.00212.75473.94043.99633.66262.57443.35112.08552.0278
C21.41521.53892.58193.34543.28352.38941.09531.10272.14042.17982.69563.47454.33003.70743.63754.24272.47493.2100
C32.48871.53891.53882.56413.20732.90822.16812.17281.09821.09862.17512.15703.49452.73613.75174.11892.76843.9653
C42.86282.58191.53881.53912.59603.05713.02933.49012.17722.15511.09821.09782.16472.15152.93643.52063.27154.1086
C53.09353.34542.56411.53911.53522.57964.06834.10223.47252.64342.17682.14891.09831.10062.16752.16232.81003.5090
C62.42383.28353.20732.59601.53521.52974.05313.95034.26823.31422.81993.50702.15222.16281.09801.09952.18452.1610
C71.41902.38942.90823.05712.57961.52973.27292.76823.96912.96923.28194.10533.49882.92672.12532.15541.10131.0964
H81.99381.09532.16813.02934.06834.05313.27291.77582.33433.04352.80533.80664.92974.57824.16445.08613.53033.9810
H92.07481.10272.17283.49014.10223.95032.76821.77582.60822.37423.76324.30515.15884.22934.45094.76142.49643.4202
H103.35232.14041.09822.17723.47254.26823.96912.33432.60821.75652.65742.35584.26943.59904.72995.19193.79304.9984
H113.00212.17981.09862.15512.64343.31422.96923.04352.37421.75653.05382.60783.63512.36304.11674.00262.44124.0022
H122.75472.69562.17511.09822.17682.81993.28192.80533.76322.65743.05381.76582.55173.06792.73993.84773.79234.2090
H133.94043.47452.15701.09782.14893.50704.10533.80664.30512.35582.60781.76582.39972.49623.84234.30194.19885.1661
H143.99634.33003.49452.16471.09832.15223.49884.92975.15884.26943.63512.55172.39971.76092.42892.51023.83744.3018
H153.66263.70742.73612.15151.10062.16282.92674.57824.22933.59902.36303.06792.49621.76093.06332.42372.73913.8462
H162.57443.63753.75172.93642.16751.09802.12534.16444.45094.72994.11672.73993.84232.42893.06331.76913.05832.4888
H173.35114.24274.11893.52062.16231.09952.15545.08614.76145.19194.00263.84774.30192.51022.42371.76912.56972.4189
H182.08552.47492.76843.27152.81002.18451.10133.53032.49643.79302.44123.79234.19883.83742.73913.05832.56971.7727
H192.02783.21003.96534.10863.50902.16101.09643.98103.42024.99844.00224.20905.16614.30183.84622.48882.41891.7727

picture of Oxepane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 114.737 O1 C2 H8 104.434
O1 C2 H9 110.367 O1 C7 C6 110.508
O1 C7 H18 111.052 O1 C7 H19 106.736
C2 O1 C7 114.925 C2 C3 C4 114.048
C2 C3 H10 107.330 C2 C3 H11 110.359
C3 C2 H8 109.633 C3 C2 H9 109.572
C3 C4 C5 112.825 C3 C4 H12 110.018
C3 C4 H13 108.632 C4 C3 H10 110.187
C4 C3 H11 108.446 C4 C5 C6 115.220
C4 C5 H14 109.182 C4 C5 H15 108.031
C5 C4 H12 110.131 C5 C4 H13 107.989
C5 C6 C7 114.633 C5 C6 H16 109.684
C5 C6 H17 109.189 C6 C5 H14 108.478
C6 C5 H15 109.163 C6 C7 H18 111.213
C6 C7 H19 109.646 C7 C6 H16 106.806
C7 C6 H17 109.036 H8 C2 H9 107.785
H10 C3 H11 106.186 H12 C4 H13 107.048
H14 C5 H15 106.414 H16 C6 H17 107.225
H18 C7 H19 107.533
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability