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All results from a given calculation for C3H6O (Oxetane)

using model chemistry: CCSD(T)=FULL/6-31G*

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 CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-192.543331
Energy at 298.15K 
HF Energy-191.906984
Nuclear repulsion energy127.686369
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)=FULL/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 3096 3006        
2 A1 3050 2960        
3 A1 1591 1544        
4 A1 1536 1491        
5 A1 1403 1362        
6 A1 1065 1034        
7 A1 944 916        
8 A1 817 794        
9 A2 3090 2999        
10 A2 1254 1217        
11 A2 1176 1142        
12 A2 858 833        
13 B1 3152 3059        
14 B1 3089 2998        
15 B1 1216 1180        
16 B1 1162 1128        
17 B1 782 759        
18 B1 71i 69i        
19 B2 3041 2952        
20 B2 1562 1516        
21 B2 1329 1290        
22 B2 1287 1249        
23 B2 1058 1027        
24 B2 969 941        

Unscaled Zero Point Vibrational Energy (zpe) 19227.2 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 18663.9 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)=FULL/6-31G*
ABC
0.40104 0.39031 0.22315

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=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 -1.076
C3 0.000 1.039 0.062
C4 0.000 -1.039 0.062
H5 0.893 0.000 -1.711
H6 -0.893 0.000 -1.711
H7 0.896 1.673 0.131
H8 -0.896 1.673 0.131
H9 -0.896 -1.673 0.131
H10 0.896 -1.673 0.131

Atom - Atom Distances (Å)
  O1 C2 C3 C4 H5 H6 H7 H8 H9 H10
O12.15261.45191.45192.92692.92692.12052.12052.12052.1205
C22.15261.54121.54121.09551.09552.24912.24912.24912.2491
C31.45191.54122.07792.24072.24071.09961.09962.85712.8571
C41.45191.54122.07792.24072.24072.85712.85711.09961.0996
H52.92691.09552.24072.24071.78572.48823.06433.06432.4882
H62.92691.09552.24072.24071.78573.06432.48822.48823.0643
H72.12052.24911.09962.85712.48823.06431.79133.79583.3466
H82.12052.24911.09962.85713.06432.48821.79133.34663.7958
H92.12052.24912.85711.09963.06432.48823.79583.34661.7913
H102.12052.24912.85711.09962.48823.06433.34663.79581.7913

picture of Oxetane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C2 91.923 O1 C3 H7 111.675
O1 C3 H8 111.675 O1 C4 C2 91.923
O1 C4 H9 111.675 O1 C4 H10 111.675
C2 C3 H7 115.772 C2 C3 H8 115.772
C2 C4 H9 115.772 C2 C4 H10 115.772
C3 O1 C4 91.382 C3 C2 C4 84.772
C3 C2 H5 115.341 C3 C2 H6 115.341
C4 C2 H5 115.341 C4 C2 H6 115.341
H5 C2 H6 109.173 H7 C3 H8 109.073
H9 C4 H10 109.073
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-192.543389
Energy at 298.15K-192.550667
HF Energy-191.906722
Nuclear repulsion energy127.821665
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)=FULL/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' 3152 3059        
2 A' 3099 3008        
3 A' 3091 3001        
4 A' 3043 2954        
5 A' 1589 1543        
6 A' 1535 1490        
7 A' 1402 1361        
8 A' 1221 1185        
9 A' 1169 1135        
10 A' 1067 1036        
11 A' 942 914        
12 A' 858 833        
13 A' 741 719        
14 A' 88 86        
15 A" 3095 3005        
16 A" 3035 2946        
17 A" 1560 1515        
18 A" 1329 1290        
19 A" 1290 1253        
20 A" 1246 1210        
21 A" 1172 1137        
22 A" 1050 1019        
23 A" 970 942        
24 A" 856 831        

Unscaled Zero Point Vibrational Energy (zpe) 19300.0 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 18734.5 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 CCSD(T)=FULL/6-31G*
ABC
0.40156 0.39045 0.22478

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.178 -1.060 0.000
C2 -0.048 1.074 0.000
C3 -0.048 -0.067 1.035
C4 -0.048 -0.067 -1.035
H5 0.872 1.670 0.000
H6 -0.916 1.743 0.000
H7 0.756 -0.066 1.783
H8 -1.013 -0.222 1.541
H9 0.756 -0.066 -1.783
H10 -1.013 -0.222 -1.541

Atom - Atom Distances (Å)
  O1 C2 C3 C4 H5 H6 H7 H8 H9 H10
O12.14571.45221.45222.81653.00852.12162.12032.12162.1203
C22.14571.54001.54001.09571.09562.26412.23292.26412.2329
C31.45221.54002.06992.22062.25781.09851.10102.93052.7553
C41.45221.54002.06992.22062.25782.93052.75531.09851.1010
H52.81651.09572.22062.22061.78872.49123.08312.49123.0831
H63.00851.09562.25782.25781.78873.04112.49893.04112.4989
H72.12162.26411.09852.93052.49123.04111.79313.56593.7690
H82.12032.23291.10102.75533.08312.49891.79313.76903.0821
H92.12162.26412.93051.09852.49123.04113.56593.76901.7931
H102.12032.23292.75531.10103.08312.49893.76903.08211.7931

picture of Oxetane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C2 91.584 O1 C3 H7 111.816
O1 C3 H8 111.550 O1 C4 C2 91.584
O1 C4 H9 111.816 O1 C4 H10 111.550
C2 C3 H7 117.226 C2 C3 H8 114.417
C2 C4 H9 117.226 C2 C4 H10 114.417
C3 O1 C4 90.905 C3 C2 C4 84.449
C3 C2 H5 113.748 C3 C2 H6 116.882
C4 C2 H5 113.748 C4 C2 H6 116.882
H5 C2 H6 109.423 H7 C3 H8 109.216
H9 C4 H10 109.216
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability