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

using model chemistry: HSEh1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2B1
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-193.377556
Energy at 298.15K-193.383849
HF Energy-193.377556
Nuclear repulsion energy146.546927
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 HSEh1PBE/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 A1 3276 3156 13.99      
2 A1 3184 3067 23.28      
3 A1 3180 3064 0.77      
4 A1 3164 3047 4.76      
5 A1 1612 1553 3.51      
6 A1 1491 1437 0.83      
7 A1 1343 1294 2.69      
8 A1 1287 1240 0.47      
9 A1 948 913 0.49      
10 A1 512 493 0.01      
11 A1 210 203 0.01      
12 A2 1000 963 0.00      
13 A2 882 850 0.00      
14 A2 593 571 0.00      
15 A2 257 247 0.00      
16 B1 1045 1007 61.47      
17 B1 901 868 106.00      
18 B1 850 819 24.75      
19 B1 636 612 14.51      
20 B1 160 154 1.79      
21 B2 3276 3156 3.92      
22 B2 3179 3062 5.29      
23 B2 3166 3050 0.30      
24 B2 1557 1500 5.41      
25 B2 1510 1455 6.97      
26 B2 1352 1303 0.38      
27 B2 1306 1258 0.81      
28 B2 1201 1157 0.03      
29 B2 1052 1013 5.74      
30 B2 472 455 2.80      

Unscaled Zero Point Vibrational Energy (zpe) 22300.0 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 21481.6 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 HSEh1PBE/3-21G
ABC
1.06127 0.07634 0.07121

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.273
H2 0.000 0.000 1.362
C3 0.000 1.244 -0.395
C4 0.000 -1.244 -0.395
C5 0.000 2.456 0.228
C6 0.000 -2.456 0.228
H7 0.000 1.217 -1.484
H8 0.000 -1.217 -1.484
H9 0.000 2.530 1.312
H10 0.000 3.383 -0.332
H11 0.000 -2.530 1.312
H12 0.000 -3.383 -0.332

Atom - Atom Distances (Å)
  C1 H2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.08901.41181.41182.45622.45622.13722.13722.73553.43702.73553.4370
H21.08902.15252.15252.70482.70483.09533.09532.53103.78382.53103.7838
C31.41182.15252.48781.36273.75171.08982.69092.13732.14044.14234.6276
C41.41182.15252.48783.75171.36272.69091.08984.14234.62762.13732.1404
C52.45622.70481.36273.75174.91152.11384.05201.08621.08385.10265.8659
C62.45622.70483.75171.36274.91154.05202.11385.10265.86591.08621.0838
H72.13723.09531.08982.69092.11384.05202.43323.08942.45394.67544.7420
H82.13723.09532.69091.08984.05202.11382.43324.67544.74203.08942.4539
H92.73552.53102.13734.14231.08625.10263.08944.67541.85225.06106.1381
H103.43703.78382.14044.62761.08385.86592.45394.74201.85226.13816.7667
H112.73552.53104.14232.13735.10261.08624.67543.08945.06106.13811.8522
H123.43703.78384.62762.14045.86591.08384.74202.45396.13816.76671.8522

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 124.564 C1 C3 H7 116.793
C1 C4 H6 124.564 C1 C4 H8 116.793
C2 C1 C3 118.227 C2 C1 C4 118.227
C3 C1 C4 123.546 C3 C5 H9 121.154
C3 C5 H10 121.644 C4 H6 H11 121.154
C4 H6 H12 121.644 C5 C3 H7 118.642
H6 C4 H8 118.642 H9 C5 H10 117.203
H11 H6 H12 117.203
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability