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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/3-21G
 hartrees
Energy at 0K-685.654069
Energy at 298.15K-685.657790
HF Energy-685.470203
Nuclear repulsion energy259.261792
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 B2PLYP=FULL/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' 3356 3195 0.33      
2 A' 3335 3175 1.25      
3 A' 3309 3150 0.75      
4 A' 1587 1511 22.16      
5 A' 1489 1418 38.78      
6 A' 1391 1324 21.15      
7 A' 1280 1219 8.78      
8 A' 1178 1122 19.79      
9 A' 1123 1069 31.10      
10 A' 1035 985 18.22      
11 A' 1019 970 15.53      
12 A' 918 874 5.52      
13 A' 898 854 30.46      
14 A' 448 426 5.38      
15 A' 273 260 0.10      
16 A" 901 857 1.16      
17 A" 862 821 23.58      
18 A" 759 723 73.07      
19 A" 635 604 0.54      
20 A" 615 586 8.82      
21 A" 222 211 2.61      

Unscaled Zero Point Vibrational Energy (zpe) 13315.6 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 12676.4 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 B2PLYP=FULL/3-21G
ABC
0.30192 0.06722 0.05498

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.254 0.000
C2 1.316 -0.081 0.000
C3 1.355 -1.530 0.000
C4 0.065 -1.972 0.000
O5 -0.821 -0.867 0.000
Cl6 -0.813 1.847 0.000
H7 2.147 0.597 0.000
H8 2.240 -2.141 0.000
H9 -0.404 -2.937 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 Cl6 H7 H8 H9
C11.35782.24062.22741.39001.78802.17473.27953.2163
C21.35781.44932.26682.27662.87231.07372.25763.3327
C32.24061.44931.36342.27484.01302.27051.07532.2516
C42.22742.26681.36341.41643.91853.30742.18121.0723
O51.39002.27662.27481.41642.71383.31023.31542.1111
Cl61.78802.87234.01303.91852.71383.21365.02244.8008
H72.17471.07372.27053.30743.31023.21362.74034.3585
H83.27952.25761.07532.18123.31545.02242.74032.7603
H93.21633.33272.25161.07232.11114.80084.35852.7603

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 105.869 C1 C2 H7 126.461
C1 O5 C4 105.059 C2 C1 O5 111.891
C2 C1 Cl6 131.378 C2 C3 C4 107.360
C2 C3 H8 126.181 C3 C2 H7 127.669
C3 C4 O5 109.820 C3 C4 H9 134.824
C4 C3 H8 126.459 O5 C1 Cl6 116.731
O5 C4 H9 115.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability