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All results from a given calculation for C3H6O (Oxetane)

using model chemistry: G3

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 G3
 hartrees
Energy at 0K-192.943603
Energy at 298.15K-192.938508
HF Energy-191.909378
Nuclear repulsion energy129.439248
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 HF/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 A1 3258 3069 26.03      
2 A1 3231 3044 12.65      
3 A1 1704 1605 0.00      
4 A1 1641 1546 1.88      
5 A1 1535 1446 13.18      
6 A1 1145 1078 20.58      
7 A1 1029 970 31.53      
8 A1 900 848 5.26      
9 A2 3268 3079 0.00      
10 A2 1349 1271 0.00      
11 A2 1275 1201 0.00      
12 A2 907 854 0.00      
13 B1 3307 3116 84.29      
14 B1 3265 3076 72.86      
15 B1 1322 1246 0.43      
16 B1 1273 1199 6.36      
17 B1 828 780 0.00      
18 B1 90 85 4.77      
19 B2 3222 3036 169.30      
20 B2 1673 1576 7.57      
21 B2 1449 1365 0.10      
22 B2 1403 1322 6.88      
23 B2 1172 1105 134.25      
24 B2 1011 953 1.62      

Unscaled Zero Point Vibrational Energy (zpe) 20628.0 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 19435.7 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=FULL/6-31G*
ABC
0.40455 0.39188 0.22453

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.076
C2 0.000 0.000 -1.073
C3 0.000 1.034 0.060
C4 0.000 -1.034 0.060
H5 0.890 0.000 -1.705
H6 -0.890 0.000 -1.705
H7 0.892 1.666 0.129
H8 -0.892 1.666 0.129
H9 -0.892 -1.666 0.129
H10 0.892 -1.666 0.129

Atom - Atom Distances (Å)
  O1 C2 C3 C4 H5 H6 H7 H8 H9 H10
O12.14931.44981.44982.91972.91972.11432.11432.11432.1143
C22.14931.53431.53431.09101.09102.23972.23972.23972.2397
C31.44981.53432.06862.23072.23071.09551.09552.84492.8449
C41.44981.53432.06862.23072.23072.84492.84491.09551.0955
H52.91971.09102.23072.23071.77942.47733.05153.05152.4773
H62.91971.09102.23072.23071.77943.05152.47732.47733.0515
H72.11432.23971.09552.84492.47733.05151.78443.78013.3324
H82.11432.23971.09552.84493.05152.47731.78443.33243.7801
H92.11432.23972.84491.09553.05152.47733.78013.33241.7844
H102.11432.23972.84491.09552.47733.05153.33243.78011.7844

picture of Oxetane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C2 91.649 O1 C3 H7 111.810
O1 C3 H8 111.810 O1 C4 C2 91.649
O1 C4 H9 111.810 O1 C4 H10 111.810
C2 C3 H7 115.787 C2 C3 H8 115.787
C2 C4 H9 115.787 C2 C4 H10 115.787
C3 O1 C4 92.787 C3 C2 C4 83.915
C3 C2 H5 115.496 C3 C2 H6 115.496
C4 C2 H5 115.496 C4 C2 H6 115.496
H5 C2 H6 109.263 H7 C3 H8 109.042
H9 C4 H10 109.042
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at G3
 hartrees
Energy at 0K-192.943539
Energy at 298.15K-192.951185
HF Energy-191.909378
Nuclear repulsion energy129.438534
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 HF/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' 3308 3116 83.13      
2 A' 3265 3076 74.10      
3 A' 3258 3069 26.33      
4 A' 3230 3043 12.34      
5 A' 1704 1605 0.00      
6 A' 1641 1546 1.88      
7 A' 1535 1447 13.19      
8 A' 1322 1246 0.42      
9 A' 1273 1199 6.37      
10 A' 1145 1079 20.68      
11 A' 1029 970 31.44      
12 A' 900 848 5.26      
13 A' 828 780 0.00      
14 A' 90 85 4.77      
15 A" 3268 3079 0.00      
16 A" 3222 3035 169.41      
17 A" 1673 1576 7.58      
18 A" 1449 1365 0.10      
19 A" 1403 1322 6.89      
20 A" 1349 1271 0.00      
21 A" 1275 1201 0.00      
22 A" 1173 1105 134.31      
23 A" 1011 952 1.61      
24 A" 907 854 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20627.9 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 19435.6 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=FULL/6-31G*
ABC
0.40552 0.39181 0.22739

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.238 -1.047 0.000
C2 -0.064 1.069 0.000
C3 -0.064 -0.068 1.027
C4 -0.064 -0.068 -1.027
H5 0.861 1.647 0.000
H6 -0.920 1.747 0.000
H7 0.702 -0.051 1.808
H8 -1.044 -0.256 1.484
H9 0.702 -0.051 -1.808
H10 -1.044 -0.256 -1.484

Atom - Atom Distances (Å)
  O1 C2 C3 C4 H5 H6 H7 H8 H9 H10
O12.13801.45051.45052.76583.02432.11612.11422.11612.1142
C22.13801.53271.53271.09121.09152.26062.21792.26062.2179
C31.45051.53272.05392.20332.25421.09411.09732.93682.7018
C41.45051.53272.05392.20332.25422.93682.70181.09411.0973
H52.76581.09122.20332.20331.78422.48553.07502.48553.0750
H63.02431.09152.25422.25421.78423.02152.49593.02152.4959
H72.11612.26061.09412.93682.48553.02151.78733.61633.7318
H82.11422.21791.09732.70183.07502.49591.78733.73182.9677
H92.11612.26062.93681.09412.48553.02153.61633.73181.7873
H102.11422.21792.70181.09733.07502.49593.73182.96771.7873

picture of Oxetane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C2 90.982 O1 C3 H7 111.925
O1 C3 H8 110.560 O1 C4 C2 90.982
O1 C4 H9 111.925 O1 C4 H10 110.560
C2 C3 H7 118.098 C2 C3 H8 114.165
C2 C4 H9 118.098 C2 C4 H10 114.165
C3 O1 C4 91.586 C3 C2 C4 84.023
C3 C2 H5 112.855 C3 C2 H6 117.671
C4 C2 H5 112.855 C4 C2 H6 117.671
H5 C2 H6 109.800 H7 C3 H8 109.749
H9 C4 H10 109.749
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability