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All results from a given calculation for C5H8 (1,2-Pentadiene)

using model chemistry: MP3=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP3=FULL/6-31+G**
 hartrees
Energy at 0K-194.715414
Energy at 298.15K-194.722737
HF Energy-193.951696
Nuclear repulsion energy156.663631
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 MP3=FULL/6-31+G**
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' 3237 3015 5.19      
2 A' 3235 3014 9.33      
3 A' 3218 2998 34.00      
4 A' 3132 2918 19.49      
5 A' 3117 2904 37.89      
6 A' 2089 1946 22.50      
7 A' 1556 1449 5.60      
8 A' 1547 1442 0.51      
9 A' 1536 1431 1.94      
10 A' 1477 1376 4.30      
11 A' 1424 1327 14.21      
12 A' 1399 1303 0.20      
13 A' 1183 1102 0.83      
14 A' 1127 1050 3.16      
15 A' 1024 954 0.23      
16 A' 889 828 44.96      
17 A' 875 816 15.64      
18 A' 642 598 4.72      
19 A' 364 339 3.95      
20 A' 153 143 0.65      
21 A" 3322 3094 3.19      
22 A" 3218 2998 31.16      
23 A" 3153 2937 15.70      
24 A" 1548 1442 7.22      
25 A" 1323 1232 0.33      
26 A" 1140 1062 2.72      
27 A" 1056 983 1.26      
28 A" 924 861 16.44      
29 A" 814 758 2.19      
30 A" 526 490 4.04      
31 A" 316 295 9.98      
32 A" 260 243 0.01      
33 A" 75 70 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 25449.7 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 23708.9 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 MP3=FULL/6-31+G**
ABC
0.34088 0.10676 0.08525

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.402 0.452 0.000
C2 -1.465 -1.070 0.000
C3 0.000 1.015 0.000
C4 1.105 0.305 0.000
C5 2.228 -0.379 0.000
H6 -1.929 0.844 0.873
H7 -1.929 0.844 -0.873
H8 -0.972 -1.481 -0.880
H9 -2.500 -1.407 0.000
H10 -0.972 -1.481 0.880
H11 0.087 2.096 0.000
H12 2.707 -0.673 -0.923
H13 2.707 -0.673 0.923

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.52361.51102.51203.72411.09201.09202.16632.15832.16632.21814.35944.3594
C21.52362.54812.91483.75702.15432.15431.08841.08821.08843.52604.29124.2912
C31.51102.54811.31392.62792.12392.12392.81863.48012.81861.08473.32093.3209
C42.51202.91481.31391.31423.20303.20302.87683.99062.87682.06082.09112.0911
C53.72413.75702.62791.31424.41994.41993.49694.83823.49693.27241.08061.0806
H61.09202.15432.12393.20304.41991.74553.06402.48022.51342.52835.19774.8780
H71.09202.15432.12393.20304.41991.74552.51342.48023.06402.52834.87805.1977
H82.16631.08842.81862.87683.49693.06402.51341.76431.75933.83223.76714.1759
H92.15831.08823.48013.99064.83822.48022.48021.76431.76434.35405.33865.3386
H102.16631.08842.81862.87683.49692.51343.06401.75931.76433.83224.17593.7671
H112.21813.52601.08472.06083.27242.52832.52833.83224.35403.83223.92233.9223
H124.35944.29123.32092.09111.08065.19774.87803.76715.33864.17593.92231.8456
H134.35944.29123.32092.09111.08064.87805.19774.17595.33863.76713.92231.8456

picture of 1,2-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H8 110.971 C1 C2 H9 110.348
C1 C2 H10 110.971 C1 C3 C4 125.414
C1 C3 H11 116.458 C2 C1 C3 114.218
C2 C1 H6 109.801 C2 C1 H7 109.801
C3 C1 H6 108.291 C3 C1 H7 108.291
C3 C4 C5 178.607 C4 C3 H11 118.128
C4 C5 H12 121.355 C4 C5 H13 121.355
H6 C1 H7 106.110 H8 C2 H9 108.305
H8 C2 H10 107.838 H9 C2 H10 108.305
H12 C5 H13 117.290
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability