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All results from a given calculation for C5H7 (1,3-pentadienyl radical)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at G4
 hartrees
Energy at 0K-194.527720
Energy at 298.15K-194.534339
HF Energy-194.691138
Nuclear repulsion energy146.524711
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 B3LYP/6-31G(2df,p)
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 3244 3131 17.15      
2 A1 3153 3042 7.30      
3 A1 3146 3036 27.67      
4 A1 3132 3022 8.19      
5 A1 1593 1537 2.34      
6 A1 1447 1396 0.59      
7 A1 1306 1260 3.08      
8 A1 1255 1211 0.08      
9 A1 920 888 0.01      
10 A1 492 475 0.00      
11 A1 201 194 0.13      
12 A2 996 961 0.00      
13 A2 854 824 0.00      
14 A2 591 571 0.00      
15 A2 259 250 0.00      
16 B1 1042 1005 30.05      
17 B1 875 845 35.01      
18 B1 842 812 31.29      
19 B1 634 611 7.13      
20 B1 159 154 0.73      
21 B2 3244 3130 3.45      
22 B2 3151 3041 5.67      
23 B2 3131 3021 0.34      
24 B2 1523 1469 1.88      
25 B2 1487 1435 6.02      
26 B2 1301 1255 0.00      
27 B2 1285 1240 0.26      
28 B2 1182 1141 0.13      
29 B2 1010 975 2.83      
30 B2 449 433 4.40      

Unscaled Zero Point Vibrational Energy (zpe) 21950.6 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 21182.3 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 B3LYP/6-31G(2df,p)
ABC
1.07269 0.07605 0.07101

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.271
H2 0.000 0.000 1.360
C3 0.000 1.246 -0.390
C4 0.000 -1.246 -0.390
C5 0.000 2.460 0.226
C6 0.000 -2.460 0.226
H7 0.000 1.220 -1.480
H8 0.000 -1.220 -1.480
H9 0.000 2.544 1.308
H10 0.000 3.385 -0.338
H11 0.000 -2.544 1.308
H12 0.000 -3.385 -0.338

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.08911.41071.41072.46062.46062.13352.13352.74713.43932.74713.4393
H21.08912.14852.14852.70902.70903.09053.09052.54413.78702.54413.7870
C31.41072.14852.49261.36143.75741.08982.69602.13732.13924.15314.6315
C41.41072.14852.49263.75741.36142.69601.08984.15314.63152.13732.1392
C52.46062.70901.36143.75744.92052.10904.05611.08551.08335.11955.8723
C62.46062.70903.75741.36144.92054.05612.10905.11955.87231.08551.0833
H72.13353.09051.08982.69602.10904.05612.43953.08632.44754.68364.7440
H82.13353.09052.69601.08984.05612.10902.43954.68364.74403.08632.4475
H92.74712.54412.13734.15311.08555.11953.08634.68361.84925.08726.1529
H103.43933.78702.13924.63151.08335.87232.44754.74401.84926.15296.7698
H112.74712.54414.15312.13735.11951.08554.68363.08635.08726.15291.8492
H123.43933.78704.63152.13925.87231.08334.74402.44756.15296.76981.8492

picture of 1,3-pentadienyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C5 124.759 C1 C3 H7 116.947
C1 C4 H6 124.759 C1 C4 H8 116.947
C2 C1 C3 118.034 C2 C1 C4 118.034
C3 C1 C4 123.931 C3 C5 H9 121.229
C3 C5 H10 121.500 C4 H6 H11 121.229
C4 H6 H12 121.500 C5 C3 H7 118.294
H6 C4 H8 118.294 H9 C5 H10 117.271
H11 H6 H12 117.271
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability