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: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-310.700059
Energy at 298.15K 
HF Energy-310.383887
Nuclear repulsion energy334.874293
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/6-31G*
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 3130 2971 72.54      
2 A 3119 2960 73.07      
3 A 3115 2956 3.74      
4 A 3110 2952 61.96      
5 A 3101 2944 25.29      
6 A 3096 2939 39.28      
7 A 3072 2916 16.87      
8 A 3067 2911 30.83      
9 A 3064 2908 35.95      
10 A 3051 2896 20.29      
11 A 3041 2887 37.43      
12 A 3022 2868 73.10      
13 A 1563 1483 4.32      
14 A 1552 1473 1.88      
15 A 1544 1465 3.07      
16 A 1539 1461 4.05      
17 A 1534 1457 3.45      
18 A 1523 1446 1.99      
19 A 1454 1380 6.73      
20 A 1436 1363 16.87      
21 A 1432 1360 1.12      
22 A 1425 1352 2.70      
23 A 1418 1346 2.17      
24 A 1394 1323 0.02      
25 A 1352 1284 2.53      
26 A 1341 1273 9.61      
27 A 1314 1247 2.53      
28 A 1295 1229 19.31      
29 A 1268 1204 2.09      
30 A 1231 1169 4.22      
31 A 1197 1137 79.70      
32 A 1158 1099 41.61      
33 A 1135 1078 3.94      
34 A 1067 1013 2.66      
35 A 1052 999 9.18      
36 A 1031 979 12.97      
37 A 1009 958 10.80      
38 A 924 877 0.15      
39 A 920 873 3.68      
40 A 872 827 2.69      
41 A 849 805 3.63      
42 A 829 787 5.72      
43 A 772 733 1.25      
44 A 573 544 6.04      
45 A 512 486 2.14      
46 A 420 399 1.63      
47 A 360 342 0.73      
48 A 326 309 0.12      
49 A 276 262 2.57      
50 A 194 184 2.42      
51 A 144 137 2.40      

Unscaled Zero Point Vibrational Energy (zpe) 39109.8 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 37123.0 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 B2PLYP/6-31G*
ABC
0.11086 0.10056 0.06054

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.758 -1.212 -0.497
C2 -1.693 -0.248 -0.033
C3 -1.088 1.091 0.411
C4 0.153 1.518 -0.386
C5 1.449 0.872 0.128
C6 1.566 -0.639 -0.099
C7 0.357 -1.454 0.354
H8 -2.357 -0.090 -0.888
H9 -2.301 -0.669 0.783
H10 -1.876 1.849 0.326
H11 -0.825 1.054 1.475
H12 0.014 1.293 -1.449
H13 0.263 2.606 -0.307
H14 2.308 1.362 -0.344
H15 1.532 1.083 1.203
H16 1.703 -0.843 -1.167
H17 2.462 -1.013 0.413
H18 0.105 -1.253 1.405
H19 0.579 -2.522 0.270

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 C7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17 H18 H19
O11.42002.49712.88053.09882.42691.42361.99142.07633.36033.00462.78843.95644.00613.66052.57793.35262.08932.0240
C21.42001.53562.57983.33963.28352.40961.09341.10102.13562.17432.70073.47124.32433.70183.62984.24892.51273.2293
C32.49711.53561.53572.56193.20912.92692.16632.16921.09651.09652.17192.15333.48962.73713.74484.12702.81163.9820
C42.88052.57981.53571.53652.59513.06973.02313.48872.17512.15271.09621.09582.16102.14842.93103.51853.30014.1159
C53.09883.33962.56191.53651.53242.57894.05454.10613.47072.64872.17362.14561.09631.09852.16402.15912.81963.5065
C62.42693.28353.20912.59511.53241.52684.03903.96634.26823.32592.82223.50332.14812.15891.09591.09772.18502.1579
C71.42362.40962.92693.06972.57891.52683.28132.80413.98662.99053.30354.11433.49602.92142.12132.15171.09941.0947
H81.99141.09342.16633.02314.05454.03903.28131.76932.33743.04002.80123.80364.91564.56844.13885.07623.55993.9849
H92.07631.10102.16923.48874.10613.96632.80411.76932.59402.37213.76674.29945.16084.23484.45704.78972.55283.4632
H103.36032.13561.09652.17513.47074.26823.98662.33742.59401.74882.65142.35524.26493.60154.72065.19793.83555.0139
H113.00462.17431.09652.15272.64873.32592.99053.04002.37211.74883.05172.60153.63572.37254.11974.02582.48854.0269
H122.78842.70072.17191.09622.17362.82223.30352.80123.76672.65143.05171.75812.54743.06342.73783.84453.82594.2228
H133.95643.47122.15331.09582.14563.50334.11433.80364.29942.35522.60151.75812.39422.49273.83534.29604.22485.1705
H144.00614.32433.48962.16101.09632.14813.49604.91565.16084.26493.63572.54742.39421.75342.42972.49773.84064.2956
H153.66053.70182.73712.14841.09852.15892.92144.56844.23483.60152.37253.06342.49271.75343.05852.42542.74433.8435
H162.57793.62983.74482.93102.16401.09592.12134.13884.45704.72064.11972.73783.83532.42973.05851.76103.05602.4798
H173.35264.24894.12703.51852.15911.09772.15175.07624.78975.19794.02583.84454.29602.49772.42541.76102.56872.4171
H182.08932.51272.81163.30012.81962.18501.09943.55992.55283.83552.48853.82594.22483.84062.74433.05602.56871.7676
H192.02403.22933.98204.11593.50652.15791.09473.98493.46325.01394.02694.22285.17054.29563.84352.47982.41711.7676

picture of Oxepane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 115.256 O1 C2 H8 104.049
O1 C2 H9 110.251 O1 C7 C6 110.635
O1 C7 H18 111.162 O1 C7 H19 106.235
C2 O1 C7 115.857 C2 C3 C4 114.269
C2 C3 H10 107.279 C2 C3 H11 110.277
C3 C2 H8 109.828 C3 C2 H9 109.612
C3 C4 C5 112.995 C3 C4 H12 110.093
C3 C4 H13 108.669 C4 C3 H10 110.332
C4 C3 H11 108.584 C4 C5 C6 115.473
C4 C5 H14 109.183 C4 C5 H15 108.086
C5 C4 H12 110.176 C5 C4 H13 108.026
C5 C6 C7 114.917 C5 C6 H16 109.727
C5 C6 H17 109.239 C6 C5 H14 108.466
C6 C5 H15 109.179 C6 C7 H18 111.571
C6 C7 H19 109.698 C7 C6 H16 106.804
C7 C6 H17 109.043 H8 C2 H9 107.465
H10 C3 H11 105.764 H12 C4 H13 106.647
H14 C5 H15 106.048 H16 C6 H17 106.790
H18 C7 H19 107.337
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.496      
2 C -0.019      
3 C -0.322      
4 C -0.270      
5 C -0.281      
6 C -0.277      
7 C -0.039      
8 H 0.150      
9 H 0.128      
10 H 0.148      
11 H 0.143      
12 H 0.152      
13 H 0.141      
14 H 0.142      
15 H 0.134      
16 H 0.153      
17 H 0.135      
18 H 0.127      
19 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.287 0.846 0.997 1.338
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.484 -2.107 -0.522
y -2.107 -45.690 -1.796
z -0.522 -1.796 -45.142
Traceless
 xyz
x 1.932 -2.107 -0.522
y -2.107 -1.378 -1.796
z -0.522 -1.796 -0.555
Polar
3z2-r2-1.109
x2-y22.207
xy-2.107
xz-0.522
yz-1.796


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.266 -0.387 -0.027
y -0.387 9.635 -0.172
z -0.027 -0.172 8.440


<r2> (average value of r2) Å2
<r2> 211.936
(<r2>)1/2 14.558