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/6-31G*

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/6-31G*
 hartrees
Energy at 0K-310.073811
Energy at 298.15K 
HF Energy-309.042075
Nuclear repulsion energy334.988134
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3119 2945 69.68      
2 A 3110 2936 63.25      
3 A 3105 2932 4.18      
4 A 3100 2928 55.22      
5 A 3091 2919 25.02      
6 A 3086 2914 35.73      
7 A 3063 2893 17.25      
8 A 3057 2887 31.05      
9 A 3055 2885 35.85      
10 A 3041 2872 18.69      
11 A 3039 2869 29.65      
12 A 3021 2852 62.26      
13 A 1571 1483 5.77      
14 A 1559 1472 2.00      
15 A 1551 1465 3.42      
16 A 1547 1461 4.18      
17 A 1542 1456 3.93      
18 A 1531 1445 2.54      
19 A 1459 1378 5.35      
20 A 1445 1364 0.52      
21 A 1443 1363 11.14      
22 A 1436 1356 6.67      
23 A 1425 1346 2.63      
24 A 1398 1320 0.42      
25 A 1355 1280 2.73      
26 A 1345 1270 12.03      
27 A 1320 1247 2.74      
28 A 1302 1229 24.20      
29 A 1277 1206 2.37      
30 A 1241 1172 5.51      
31 A 1219 1151 80.10      
32 A 1171 1106 20.34      
33 A 1152 1088 3.88      
34 A 1079 1019 5.69      
35 A 1061 1002 6.86      
36 A 1051 992 12.03      
37 A 1018 961 8.37      
38 A 931 879 1.27      
39 A 930 878 2.89      
40 A 885 835 2.63      
41 A 858 810 3.72      
42 A 837 790 5.53      
43 A 782 739 1.08      
44 A 576 544 6.55      
45 A 519 490 2.38      
46 A 428 404 1.86      
47 A 366 345 0.84      
48 A 329 311 0.11      
49 A 277 261 2.92      
50 A 198 187 2.78      
51 A 156 147 2.58      

Unscaled Zero Point Vibrational Energy (zpe) 39226.5 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 37041.6 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 CCSD/6-31G*
ABC
0.11132 0.10048 0.06079

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.744 -1.207 -0.507
C2 -1.693 -0.260 -0.032
C3 -1.094 1.080 0.417
C4 0.139 1.511 -0.389
C5 1.442 0.881 0.125
C6 1.572 -0.630 -0.093
C7 0.364 -1.446 0.357
H8 -2.363 -0.102 -0.885
H9 -2.291 -0.697 0.786
H10 -1.888 1.837 0.339
H11 -0.823 1.040 1.482
H12 -0.003 1.273 -1.453
H13 0.240 2.604 -0.321
H14 2.298 1.377 -0.355
H15 1.528 1.100 1.202
H16 1.715 -0.839 -1.163
H17 2.471 -0.997 0.426
H18 0.101 -1.238 1.407
H19 0.589 -2.518 0.281

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19
O11.42172.49092.86053.08872.42251.42561.99582.07983.36013.00232.75513.94013.99463.66112.57173.35442.09252.0295
C21.42171.53452.57323.33983.28592.40541.09661.10372.13922.17702.68773.46754.32573.70693.63704.25242.49813.2249
C32.49091.53451.53562.56123.20822.91712.16832.17411.09991.09982.17362.15653.49202.73693.75144.12552.78923.9743
C42.86052.57321.53561.53632.59353.05843.01853.48812.17802.15621.09941.09922.16352.15102.93413.52003.28444.1096
C53.08873.33982.56121.53631.53232.57544.05824.10723.47122.64552.17552.14751.09961.10182.16632.16182.81683.5082
C62.42253.28593.20822.59351.53231.52584.04843.96264.27133.31782.81953.50472.15072.16161.09901.10102.18752.1615
C71.42562.40542.91713.05842.57541.52583.28402.79193.98142.97623.28664.10823.49572.92432.12222.15531.10221.0979
H81.99581.09662.16833.01854.05824.04843.28401.77502.34223.04642.78983.79724.91924.57574.15395.08773.55133.9888
H92.07981.10372.17413.48814.10723.96262.79191.77502.60552.37933.75894.30525.16434.24134.45774.78492.52963.4444
H103.36012.13921.09992.17803.47124.27133.98142.34222.60551.75392.66082.35624.26783.59884.73305.19933.81495.0107
H113.00232.17701.09982.15622.64553.31782.97623.04642.37931.75393.05612.61313.63732.36804.11964.01382.45984.0121
H122.75512.68772.17361.09942.17552.81953.28662.78983.75892.66083.05611.76382.55203.06892.73833.84713.80694.2106
H133.94013.46752.15651.09922.14753.50474.10823.79724.30522.35622.61311.76382.39582.49743.83914.30064.21525.1691
H143.99464.32573.49202.16351.09962.15073.49574.91925.16434.26783.63732.55202.39581.75872.43022.50503.84384.3014
H153.66113.70692.73692.15101.10182.16162.92434.57574.24133.59882.36803.06892.49741.75873.06382.42612.74723.8498
H162.57173.63703.75142.93412.16631.09902.12224.15394.45774.73304.11962.73833.83912.43023.06381.76663.06092.4846
H173.35444.25244.12553.52002.16181.10102.15535.08774.78495.19934.01383.84714.30062.50502.42611.76662.57622.4245
H182.09252.49812.78923.28442.81682.18751.10223.55132.52963.81492.45983.80694.21523.84382.74723.06092.57621.7727
H192.02953.22493.97434.10963.50822.16151.09793.98883.44445.01074.01214.21065.16914.30143.84982.48462.42451.7727

picture of Oxepane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 114.783 O1 C2 H8 104.093
O1 C2 H9 110.252 O1 C7 C6 110.284
O1 C7 H18 111.106 O1 C7 H19 106.352
C2 O1 C7 115.300 C2 C3 C4 113.897
C2 C3 H10 107.442 C2 C3 H11 110.381
C3 C2 H8 109.880 C3 C2 H9 109.920
C3 C4 C5 112.975 C3 C4 H12 110.057
C3 C4 H13 108.735 C4 C3 H10 110.376
C4 C3 H11 108.675 C4 C5 C6 115.381
C4 C5 H14 109.204 C4 C5 H15 108.120
C5 C4 H12 110.156 C5 C4 H13 108.000
C5 C6 C7 114.735 C5 C6 H16 109.730
C5 C6 H17 109.262 C6 C5 H14 108.480
C6 C5 H15 109.206 C6 C7 H18 111.679
C6 C7 H19 109.869 C7 C6 H16 106.772
C7 C6 H17 109.203 H8 C2 H9 107.549
H10 C3 H11 105.759 H12 C4 H13 106.689
H14 C5 H15 106.052 H16 C6 H17 106.832
H18 C7 H19 107.365
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability