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All results from a given calculation for C3H6O (Oxetane)

using model chemistry: CCSD(T)/cc-pVDZ

19 10 17 12 22

States and conformations

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

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-192.584404
Energy at 298.15K 
HF Energy-191.919924
Nuclear repulsion energy127.287362
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 CCSD(T)/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 3091 3026        
2 A1 3038 2973        
3 A1 1537 1505        
4 A1 1478 1446        
5 A1 1382 1353        
6 A1 1056 1033        
7 A1 940 920        
8 A1 824 806        
9 A2 3080 3015        
10 A2 1225 1199        
11 A2 1164 1139        
12 A2 832 814        
13 B1 3154 3087        
14 B1 3079 3014        
15 B1 1186 1161        
16 B1 1144 1120        
17 B1 756 740        
18 B1 34i 34i        
19 B2 3028 2964        
20 B2 1507 1475        
21 B2 1307 1280        
22 B2 1256 1230        
23 B2 1054 1031        
24 B2 951 931        

Unscaled Zero Point Vibrational Energy (zpe) 19017.0 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 18613.8 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 CCSD(T)/cc-pVDZ
ABC
0.39862 0.38770 0.22198

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVDZ

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 -1.083
C3 0.000 1.040 0.067
C4 0.000 -1.040 0.067
H5 0.901 0.000 -1.719
H6 -0.901 0.000 -1.719
H7 0.902 1.682 0.132
H8 -0.902 1.682 0.132
H9 -0.902 -1.682 0.132
H10 0.902 -1.682 0.132

Atom - Atom Distances (Å)
  O1 C2 C3 C4 H5 H6 H7 H8 H9 H10
O12.15841.44901.44902.93662.93662.12892.12892.12892.1289
C22.15841.55051.55051.10331.10332.26182.26182.26182.2618
C31.44901.55052.08062.25502.25501.10841.10842.86822.8682
C41.44901.55052.08062.25502.25502.86822.86821.10841.1084
H52.93661.10332.25502.25501.80242.50083.08303.08302.5008
H62.93661.10332.25502.25501.80243.08302.50082.50083.0830
H72.12892.26181.10842.86822.50083.08301.80353.81633.3632
H82.12892.26181.10842.86823.08302.50081.80353.36323.8163
H92.12892.26182.86821.10843.08302.50083.81633.36321.8035
H102.12892.26182.86821.10842.50083.08303.36323.81631.8035

picture of Oxetane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C2 91.974 O1 C3 H7 112.008
O1 C3 H8 112.008 O1 C4 C2 91.974
O1 C4 H9 112.008 O1 C4 H10 112.008
C2 C3 H7 115.561 C2 C3 H8 115.561
C2 C4 H9 115.561 C2 C4 H10 115.561
C3 O1 C4 91.771 C3 C2 C4 84.281
C3 C2 H5 115.327 C3 C2 H6 115.327
C4 C2 H5 115.327 C4 C2 H6 115.327
H5 C2 H6 109.534 H7 C3 H8 108.888
H9 C4 H10 108.888
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-192.584404
Energy at 298.15K 
HF Energy-191.919915
Nuclear repulsion energy127.303481
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 CCSD(T)/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' 3155 3088        
2 A' 3092 3027        
3 A' 3080 3015        
4 A' 3037 2973        
5 A' 1537 1505        
6 A' 1477 1446        
7 A' 1382 1353        
8 A' 1187 1162        
9 A' 1145 1120        
10 A' 1056 1033        
11 A' 939 919        
12 A' 828 810        
13 A' 751 735        
14 A' 11i 11i        
15 A" 3081 3016        
16 A" 3028 2964        
17 A" 1507 1475        
18 A" 1307 1279        
19 A" 1256 1230        
20 A" 1224 1198        
21 A" 1163 1139        
22 A" 1053 1031        
23 A" 951 931        
24 A" 831 814        

Unscaled Zero Point Vibrational Energy (zpe) 19028.5 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 18625.1 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 CCSD(T)/cc-pVDZ
ABC
0.39880 0.38763 0.22214

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.052 -1.074 0.000
C2 0.014 1.083 0.000
C3 0.014 -0.067 1.040
C4 0.014 -0.067 -1.040
H5 0.906 1.731 0.000
H6 -0.896 1.707 0.000
H7 0.939 -0.156 1.645
H8 -0.863 -0.110 1.716
H9 0.939 -0.156 -1.645
H10 -0.863 -0.110 -1.716

Atom - Atom Distances (Å)
  O1 C2 C3 C4 H5 H6 H7 H8 H9 H10
O12.15811.44901.44902.96482.90612.12862.12852.12862.1285
C22.15811.55041.55041.10321.10332.25732.26612.25732.2661
C31.44901.55042.07962.26112.24851.10881.10792.84092.8919
C41.44901.55042.07962.26112.24852.84092.89191.10881.1079
H52.96481.10322.26112.26111.80262.50363.07652.50363.0765
H62.90611.10332.24852.24851.80263.08892.49903.08892.4990
H72.12862.25731.10882.84092.50363.08891.80383.28963.8133
H82.12852.26611.10792.89193.07652.49901.80383.81333.4313
H92.12862.25732.84091.10882.50363.08893.28963.81331.8038
H102.12852.26612.89191.10793.07652.49903.81333.43131.8038

picture of Oxetane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C2 91.962 O1 C3 H7 111.964
O1 C3 H8 112.013 O1 C4 C2 91.962
O1 C4 H9 111.964 O1 C4 H10 112.013
C2 C3 H7 115.162 C2 C3 H8 115.966
C2 C4 H9 115.162 C2 C4 H10 115.966
C3 O1 C4 91.714 C3 C2 C4 84.236
C3 C2 H5 115.854 C3 C2 H6 114.795
C4 C2 H5 115.854 C4 C2 H6 114.795
H5 C2 H6 109.564 H7 C3 H8 108.922
H9 C4 H10 108.922
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability