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All results from a given calculation for C3H6O (Oxetane)

using model chemistry: MP2/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 1A1
1 2 yes CS 1A'

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at MP2/cc-pVTZ
 hartrees
Energy at 0K-192.724634
Energy at 298.15K 
HF Energy-191.979564
Nuclear repulsion energy128.351222
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 MP2/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 3137 2979 20.57      
2 A1 3084 2928 0.48      
3 A1 1562 1483 0.00      
4 A1 1504 1428 3.64      
5 A1 1389 1319 1.56      
6 A1 1065 1011 3.97      
7 A1 943 895 31.27      
8 A1 806 766 5.29      
9 A2 3135 2977 0.00      
10 A2 1251 1188 0.00      
11 A2 1180 1120 0.00      
12 A2 842 800 0.00      
13 B1 3205 3043 22.39      
14 B1 3134 2975 58.18      
15 B1 1211 1149 0.13      
16 B1 1157 1098 2.38      
17 B1 773 734 0.16      
18 B1 72i 68i 3.61      
19 B2 3077 2921 131.37      
20 B2 1533 1456 1.40      
21 B2 1326 1259 0.05      
22 B2 1265 1201 8.92      
23 B2 1057 1004 87.30      
24 B2 966 917 7.15      

Unscaled Zero Point Vibrational Energy (zpe) 19263.6 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 18290.8 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 MP2/cc-pVTZ
ABC
0.40627 0.39295 0.22523

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.074
C2 0.000 0.000 -1.075
C3 0.000 1.033 0.062
C4 0.000 -1.033 0.062
H5 0.887 0.000 -1.699
H6 -0.887 0.000 -1.699
H7 0.889 1.660 0.129
H8 -0.889 1.660 0.129
H9 -0.889 -1.660 0.129
H10 0.889 -1.660 0.129

Atom - Atom Distances (Å)
  O1 C2 C3 C4 H5 H6 H7 H8 H9 H10
O12.14821.44611.44612.91082.91082.10642.10642.10642.1064
C22.14821.53571.53571.08491.08492.23482.23482.23482.2348
C31.44611.53572.06622.22572.22571.08981.08982.83662.8366
C41.44611.53572.06622.22572.22572.83662.83661.08981.0898
H52.91081.08492.22572.22571.77492.46903.04183.04182.4690
H62.91081.08492.22572.22571.77493.04182.46902.46903.0418
H72.10642.23481.08982.83662.46903.04181.77823.76573.3194
H82.10642.23481.08982.83663.04182.46901.77823.31943.7657
H92.10642.23482.83661.08983.04182.46903.76573.31941.7782
H102.10642.23482.83661.08982.46903.04183.31943.76571.7782

picture of Oxetane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C2 92.128 O1 C3 H7 111.553
O1 C3 H8 111.553 O1 C4 C2 92.128
O1 C4 H9 111.553 O1 C4 H10 111.553
C2 C3 H7 115.636 C2 C3 H8 115.636
C2 C4 H9 115.636 C2 C4 H10 115.636
C3 O1 C4 91.191 C3 C2 C4 84.553
C3 C2 H5 115.190 C3 C2 H6 115.190
C4 C2 H5 115.190 C4 C2 H6 115.190
H5 C2 H6 109.769 H7 C3 H8 109.341
H9 C4 H10 109.341
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2/cc-pVTZ
 hartrees
Energy at 0K-192.724728
Energy at 298.15K-192.732041
HF Energy-191.979183
Nuclear repulsion energy128.519478
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 MP2/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 A' 3204 3042 23.56      
2 A' 3142 2983 38.75      
3 A' 3133 2974 23.67      
4 A' 3076 2921 21.56      
5 A' 1559 1481 0.11      
6 A' 1502 1426 3.49      
7 A' 1386 1316 1.34      
8 A' 1217 1156 0.08      
9 A' 1163 1104 3.23      
10 A' 1067 1013 4.90      
11 A' 940 893 27.66      
12 A' 854 810 8.95      
13 A' 721 685 1.01      
14 A' 102 97 3.81      
15 A" 3142 2983 15.35      
16 A" 3070 2915 109.25      
17 A" 1530 1453 1.21      
18 A" 1324 1257 0.01      
19 A" 1274 1210 5.70      
20 A" 1236 1173 3.74      
21 A" 1174 1114 0.54      
22 A" 1047 994 83.00      
23 A" 966 918 4.40      
24 A" 840 798 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 19332.9 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 18356.5 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 MP2/cc-pVTZ
ABC
0.40703 0.39294 0.22735

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.203 -1.052 0.000
C2 -0.055 1.072 0.000
C3 -0.055 -0.068 1.028
C4 -0.055 -0.068 -1.028
H5 0.864 1.650 0.000
H6 -0.913 1.737 0.000
H7 0.729 -0.057 1.783
H8 -1.021 -0.237 1.507
H9 0.729 -0.057 -1.783
H10 -1.021 -0.237 -1.507

Atom - Atom Distances (Å)
  O1 C2 C3 C4 H5 H6 H7 H8 H9 H10
O12.13981.44651.44652.78213.00362.10862.10542.10862.1054
C22.13981.53431.53431.08541.08512.25132.21722.25132.2172
C31.44651.53432.05542.20232.24641.08841.09162.91802.7176
C41.44651.53432.05542.20232.24642.91802.71761.08841.0916
H52.78211.08542.20232.20231.77832.47253.06302.47253.0630
H63.00361.08512.24642.24641.77833.01512.48513.01512.4851
H72.10862.25131.08842.91802.47253.01511.78043.56623.7304
H82.10542.21721.09162.71763.06302.48511.78043.73043.0133
H92.10862.25132.91801.08842.47253.01513.56623.73041.7804
H102.10542.21722.71761.09163.06302.48513.73043.01331.7804

picture of Oxetane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C2 91.703 O1 C3 H7 111.796
O1 C3 H8 111.330 O1 C4 C2 91.703
O1 C4 H9 111.796 O1 C4 H10 111.330
C2 C3 H7 117.256 C2 C3 H8 114.142
C2 C4 H9 117.256 C2 C4 H10 114.142
C3 O1 C4 90.543 C3 C2 C4 84.103
C3 C2 H5 113.305 C3 C2 H6 117.057
C4 C2 H5 113.305 C4 C2 H6 117.057
H5 C2 H6 110.029 H7 C3 H8 109.516
H9 C4 H10 109.516
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability