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All results from a given calculation for C3H6O (Oxetane)

using model chemistry: MP2/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-192.522513
Energy at 298.15K 
HF Energy-191.920680
Nuclear repulsion energy127.692071
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-pVDZ
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 3136 2987 20.54      
2 A1 3078 2932 2.36      
3 A1 1547 1474 0.03      
4 A1 1484 1413 3.27      
5 A1 1391 1325 3.93      
6 A1 1072 1021 5.01      
7 A1 954 908 27.49      
8 A1 818 780 3.92      
9 A2 3131 2983 0.00      
10 A2 1239 1180 0.00      
11 A2 1176 1120 0.00      
12 A2 839 799 0.00      
13 B1 3209 3056 25.01      
14 B1 3130 2982 82.46      
15 B1 1196 1140 0.43      
16 B1 1151 1096 2.95      
17 B1 764 728 0.16      
18 B1 68i 65i 2.41      
19 B2 3070 2924 146.78      
20 B2 1517 1445 3.72      
21 B2 1317 1255 0.07      
22 B2 1263 1203 5.93      
23 B2 1071 1020 91.34      
24 B2 970 924 7.52      

Unscaled Zero Point Vibrational Energy (zpe) 19227.6 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 18314.3 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-pVDZ
ABC
0.40228 0.38919 0.22341

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.075
C2 0.000 0.000 -1.080
C3 0.000 1.035 0.065
C4 0.000 -1.035 0.065
H5 0.898 0.000 -1.714
H6 -0.898 0.000 -1.714
H7 0.899 1.675 0.130
H8 -0.899 1.675 0.130
H9 -0.899 -1.675 0.130
H10 0.899 -1.675 0.130

Atom - Atom Distances (Å)
  O1 C2 C3 C4 H5 H6 H7 H8 H9 H10
O12.15511.44611.44612.93002.93002.12282.12282.12282.1228
C22.15511.54381.54381.09951.09952.25292.25292.25292.2529
C31.44611.54382.07022.24582.24581.10491.10492.85572.8557
C41.44611.54382.07022.24582.24582.85572.85571.10491.1049
H52.93001.09952.24582.24581.79702.49053.07123.07122.4905
H62.93001.09952.24582.24581.79703.07122.49052.49053.0712
H72.12282.25291.10492.85572.49053.07121.79723.80133.3496
H82.12282.25291.10492.85573.07122.49051.79723.34963.8013
H92.12282.25292.85571.10493.07122.49053.80133.34961.7972
H102.12282.25292.85571.10492.49053.07123.34963.80131.7972

picture of Oxetane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C2 92.184 O1 C3 H7 111.951
O1 C3 H8 111.951 O1 C4 C2 92.184
O1 C4 H9 111.951 O1 C4 H10 111.951
C2 C3 H7 115.553 C2 C3 H8 115.553
C2 C4 H9 115.553 C2 C4 H10 115.553
C3 O1 C4 91.419 C3 C2 C4 84.212
C3 C2 H5 115.315 C3 C2 H6 115.315
C4 C2 H5 115.315 C4 C2 H6 115.315
H5 C2 H6 109.611 H7 C3 H8 108.835
H9 C4 H10 108.835
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-192.522591
Energy at 298.15K-192.529889
HF Energy-191.920275
Nuclear repulsion energy127.840347
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-pVDZ
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' 3208 3056 26.01      
2 A' 3140 2991 49.98      
3 A' 3131 2983 32.13      
4 A' 3071 2925 27.01      
5 A' 1545 1472 0.13      
6 A' 1483 1412 3.08      
7 A' 1388 1322 3.67      
8 A' 1204 1146 0.17      
9 A' 1157 1102 3.93      
10 A' 1073 1022 5.91      
11 A' 949 904 25.25      
12 A' 857 816 7.09      
13 A' 722 688 0.53      
14 A' 96 92 2.91      
15 A" 3138 2989 16.93      
16 A" 3063 2918 122.24      
17 A" 1514 1442 3.33      
18 A" 1316 1254 0.01      
19 A" 1268 1208 4.59      
20 A" 1228 1170 1.87      
21 A" 1169 1114 0.46      
22 A" 1060 1010 86.74      
23 A" 969 923 4.90      
24 A" 838 798 1.06      

Unscaled Zero Point Vibrational Energy (zpe) 19294.0 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 18377.6 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 MP2/cc-pVDZ
ABC
0.40295 0.38912 0.22533

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.195 -1.056 0.000
C2 -0.053 1.078 0.000
C3 -0.053 -0.071 1.030
C4 -0.053 -0.071 -1.030
H5 0.878 1.664 0.000
H6 -0.920 1.753 0.000
H7 0.742 -0.062 1.796
H8 -1.029 -0.231 1.526
H9 0.742 -0.062 -1.796
H10 -1.029 -0.231 -1.526

Atom - Atom Distances (Å)
  O1 C2 C3 C4 H5 H6 H7 H8 H9 H10
O12.14751.44661.44662.80393.02222.12382.12282.12382.1228
C22.14751.54271.54271.09981.09962.27022.23492.27022.2349
C31.44661.54272.06042.22182.26741.10341.10662.93542.7409
C41.44661.54272.06042.22182.26742.93542.74091.10341.1066
H52.80391.09982.22182.22181.80022.49423.09132.49423.0913
H63.02221.09962.26742.26741.80023.04662.50573.04662.5057
H72.12382.27021.10342.93542.49423.04661.79943.59113.7679
H82.12282.23491.10662.74093.09132.50571.79943.76793.0518
H92.12382.27022.93541.10342.49423.04663.59113.76791.7994
H102.12282.23492.74091.10663.09132.50573.76793.05181.7994

picture of Oxetane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C2 91.788 O1 C3 H7 112.089
O1 C3 H8 111.801 O1 C4 C2 91.788
O1 C4 H9 112.089 O1 C4 H10 111.801
C2 C3 H7 117.207 C2 C3 H8 114.027
C2 C4 H9 117.207 C2 C4 H10 114.027
C3 O1 C4 90.820 C3 C2 C4 83.791
C3 C2 H5 113.384 C3 C2 H6 117.215
C4 C2 H5 113.384 C4 C2 H6 117.215
H5 C2 H6 109.870 H7 C3 H8 109.018
H9 C4 H10 109.018
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability