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All results from a given calculation for C3H6O (Oxetane)

using model chemistry: MP2/6-311G*

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 MP2/6-311G*
 hartrees
Energy at 0K-192.549828
Energy at 298.15K 
HF Energy-191.947971
Nuclear repulsion energy128.163382
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 MP2/6-311G*
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 3130 2975 22.98      
2 A1 3085 2932 2.05      
3 A1 1588 1509 0.14      
4 A1 1533 1457 5.62      
5 A1 1413 1343 1.60      
6 A1 1075 1022 5.09      
7 A1 955 908 31.05      
8 A1 816 775 4.01      
9 A2 3139 2983 0.00      
10 A2 1265 1202 0.00      
11 A2 1193 1133 0.00      
12 A2 858 816 0.00      
13 B1 3200 3041 33.26      
14 B1 3137 2981 73.03      
15 B1 1222 1161 0.55      
16 B1 1173 1115 2.90      
17 B1 782 743 0.17      
18 B1 56i 54i 3.03      
19 B2 3077 2924 142.41      
20 B2 1560 1482 1.14      
21 B2 1340 1274 0.33      
22 B2 1281 1218 15.63      
23 B2 1070 1017 88.81      
24 B2 978 929 5.85      

Unscaled Zero Point Vibrational Energy (zpe) 19406.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 18442.3 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 MP2/6-311G*
ABC
0.40637 0.39060 0.22479

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

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 -1.079
C3 0.000 1.032 0.063
C4 0.000 -1.032 0.063
H5 0.892 0.000 -1.706
H6 -0.892 0.000 -1.706
H7 0.894 1.660 0.131
H8 -0.894 1.660 0.131
H9 -0.894 -1.660 0.131
H10 0.894 -1.660 0.131

Atom - Atom Distances (Å)
  O1 C2 C3 C4 H5 H6 H7 H8 H9 H10
O12.15361.44511.44512.92032.92032.10842.10842.10842.1084
C22.15361.53901.53901.09031.09032.24002.24002.24002.2400
C31.44511.53902.06372.23372.23371.09461.09462.83712.8371
C41.44511.53902.06372.23372.23372.83712.83711.09461.0946
H52.92031.09032.23372.23371.78372.47573.05253.05252.4757
H62.92031.09032.23372.23371.78373.05252.47572.47573.0525
H72.10842.24001.09462.83712.47573.05251.78773.77063.3198
H82.10842.24001.09462.83713.05252.47571.78773.31983.7706
H92.10842.24002.83711.09463.05252.47573.77063.31981.7877
H102.10842.24002.83711.09462.47573.05253.31983.77061.7877

picture of Oxetane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C2 92.335 O1 C3 H7 111.492
O1 C3 H8 111.492 O1 C4 C2 92.335
O1 C4 H9 111.492 O1 C4 H10 111.492
C2 C3 H7 115.510 C2 C3 H8 115.510
C2 C4 H9 115.510 C2 C4 H10 115.510
C3 O1 C4 91.125 C3 C2 C4 84.206
C3 C2 H5 115.265 C3 C2 H6 115.265
C4 C2 H5 115.265 C4 C2 H6 115.265
H5 C2 H6 109.765 H7 C3 H8 109.498
H9 C4 H10 109.498
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-192.549871
Energy at 298.15K-192.557163
HF Energy-191.947636
Nuclear repulsion energy128.287964
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 MP2/6-311G*
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' 3199 3040 33.91      
2 A' 3141 2985 56.84      
3 A' 3128 2972 25.47      
4 A' 3079 2926 19.62      
5 A' 1586 1507 0.19      
6 A' 1531 1455 5.35      
7 A' 1410 1340 1.47      
8 A' 1226 1165 0.31      
9 A' 1178 1119 3.51      
10 A' 1077 1023 5.86      
11 A' 953 905 29.05      
12 A' 854 811 6.55      
13 A' 740 703 0.76      
14 A' 82 78 3.50      
15 A" 3142 2986 12.68      
16 A" 3072 2919 124.58      
17 A" 1557 1480 0.98      
18 A" 1339 1272 0.14      
19 A" 1287 1223 11.10      
20 A" 1252 1190 4.58      
21 A" 1188 1129 0.74      
22 A" 1063 1010 85.33      
23 A" 977 928 3.64      
24 A" 856 814 1.05      

Unscaled Zero Point Vibrational Energy (zpe) 19457.3 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 18490.3 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 MP2/6-311G*
ABC
0.40682 0.39072 0.22633

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.174 -1.059 0.000
C2 -0.047 1.077 0.000
C3 -0.047 -0.068 1.028
C4 -0.047 -0.068 -1.028
H5 0.870 1.667 0.000
H6 -0.914 1.737 0.000
H7 0.758 -0.070 1.768
H8 -1.009 -0.219 1.531
H9 0.758 -0.070 -1.768
H10 -1.009 -0.219 -1.531

Atom - Atom Distances (Å)
  O1 C2 C3 C4 H5 H6 H7 H8 H9 H10
O12.14701.44521.44522.81333.00062.10852.10912.10852.1091
C22.14701.53811.53811.09051.09052.25582.22452.25582.2245
C31.44521.53812.05602.21482.25091.09351.09602.90962.7380
C41.44521.53812.05602.21482.25092.90962.73801.09351.0960
H52.81331.09052.21482.21481.78602.48083.07102.48083.0710
H63.00061.09052.25092.25091.78603.03132.48603.03132.4860
H72.10852.25581.09352.90962.48083.03131.78893.53613.7454
H82.10912.22451.09602.73803.07102.48601.78893.74543.0620
H92.10852.25582.90961.09352.48083.03133.53613.74541.7889
H102.10912.22452.73801.09603.07102.48603.74543.06201.7889

picture of Oxetane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C2 92.003 O1 C3 H7 111.562
O1 C3 H8 111.445 O1 C4 C2 92.003
O1 C4 H9 111.562 O1 C4 H10 111.445
C2 C3 H7 116.997 C2 C3 H8 114.182
C2 C4 H9 116.997 C2 C4 H10 114.182
C3 O1 C4 90.683 C3 C2 C4 83.878
C3 C2 H5 113.737 C3 C2 H6 116.786
C4 C2 H5 113.737 C4 C2 H6 116.786
H5 C2 H6 109.949 H7 C3 H8 109.579
H9 C4 H10 109.579
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability