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All results from a given calculation for C4H3ClO (Furan, 2-chloro)

using model chemistry: CID/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/3-21G*
 hartrees
Energy at 0K-684.695156
Energy at 298.15K-684.699101
HF Energy-684.163881
Nuclear repulsion energy263.255230
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 CID/3-21G*
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' 3409 3172 0.06      
2 A' 3382 3147 0.99      
3 A' 3361 3128 1.30      
4 A' 1668 1552 24.53      
5 A' 1566 1457 49.42      
6 A' 1445 1344 13.60      
7 A' 1322 1230 10.42      
8 A' 1230 1145 30.37      
9 A' 1178 1097 28.29      
10 A' 1092 1016 18.88      
11 A' 1055 981 7.60      
12 A' 959 892 19.27      
13 A' 945 879 21.51      
14 A' 507 472 3.51      
15 A' 316 294 0.44      
16 A" 929 864 0.34      
17 A" 890 828 21.04      
18 A" 805 749 75.37      
19 A" 670 623 4.62      
20 A" 630 586 10.56      
21 A" 241 224 3.56      

Unscaled Zero Point Vibrational Energy (zpe) 13798.6 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 12839.6 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 CID/3-21G*
ABC
0.30666 0.07020 0.05712

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.282 0.000
C2 1.295 -0.104 0.000
C3 1.283 -1.558 0.000
C4 -0.013 -1.944 0.000
O5 -0.847 -0.815 0.000
Cl6 -0.729 1.825 0.000
H7 2.152 0.540 0.000
H8 2.143 -2.200 0.000
H9 -0.513 -2.891 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35102.24272.22591.38621.70632.16763.27873.2136
C21.35101.45402.25782.25712.79541.07232.26103.3218
C32.24271.45401.35262.25593.93552.27091.07322.2365
C42.22592.25781.35261.40343.83613.29562.17131.0703
O51.38622.25712.25591.40342.64263.29153.29512.1020
Cl61.70632.79543.93553.83612.64263.15434.94404.7202
H72.16761.07232.27093.29563.29153.15432.74004.3443
H83.27872.26101.07322.17133.29514.94402.74002.7443
H93.21363.32182.23651.07032.10204.72024.34432.7443

picture of Furan, 2-chloro state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 106.118 C1 C2 H7 126.501
C1 O5 C4 105.866 C2 C1 O5 111.092
C2 C1 Cl6 131.871 C2 C3 C4 107.063
C2 C3 H8 126.279 C3 C2 H7 127.381
C3 C4 O5 109.861 C3 C4 H9 134.427
C4 C3 H8 126.658 O5 C1 Cl6 117.036
O5 C4 H9 115.712
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability