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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-688.465561
Energy at 298.15K-688.469289
HF Energy-687.555074
Nuclear repulsion energy262.874640
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 QCISD(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' 3301 3146        
2 A' 3286 3132        
3 A' 3265 3112        
4 A' 1607 1531        
5 A' 1530 1458        
6 A' 1403 1338        
7 A' 1236 1178        
8 A' 1206 1149        
9 A' 1147 1093        
10 A' 1080 1029        
11 A' 1013 965        
12 A' 921 877        
13 A' 881 840        
14 A' 491 468        
15 A' 309 294        
16 A" 829 790        
17 A" 783 746        
18 A" 726 692        
19 A" 612 583        
20 A" 586 558        
21 A" 222 212        

Unscaled Zero Point Vibrational Energy (zpe) 13215.7 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 12595.9 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 QCISD(T)/cc-pVDZ
ABC
0.30187 0.07038 0.05707

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.268 0.000
C2 1.323 -0.100 0.000
C3 1.308 -1.552 0.000
C4 -0.016 -1.920 0.000
O5 -0.835 -0.811 0.000
Cl6 -0.755 1.815 0.000
H7 2.183 0.570 0.000
H8 2.168 -2.224 0.000
H9 -0.530 -2.881 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.37362.24112.18811.36471.72112.20383.30333.1936
C21.37361.45162.25942.27232.82601.09062.28543.3417
C32.24111.45161.37422.26713.94842.29591.09192.2681
C42.18812.25941.37421.37823.80723.32262.20581.0899
O51.36472.27232.26711.37822.62753.31933.31902.0922
Cl61.72112.82603.94843.80722.62753.19044.98564.7015
H72.20381.09062.29593.32263.31933.19042.79444.3903
H83.30332.28541.09192.20583.31904.98562.79442.7774
H93.19363.34172.26811.08992.09224.70154.39032.7774

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 104.952 C1 C2 H7 126.470
C1 O5 C4 105.830 C2 C1 O5 112.162
C2 C1 Cl6 131.569 C2 C3 C4 106.146
C2 C3 H8 127.363 C3 C2 H7 128.578
C3 C4 O5 110.910 C3 C4 H9 133.659
C4 C3 H8 126.491 O5 C1 Cl6 116.269
O5 C4 H9 115.431
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability