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All results from a given calculation for CH2CHCH2CH3 (1-Butene)

using model chemistry: CCSD=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at CCSD=FULL/cc-pVTZ
 hartrees
Energy at 0K-156.956616
Energy at 298.15K-156.964665
HF Energy-156.164327
Nuclear repulsion energy117.803511
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 CCSD=FULL/cc-pVTZ
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 3252 3083 16.17      
2 A 3188 3023 2.65      
3 A 3169 3005 21.43      
4 A 3135 2972 33.02      
5 A 3128 2966 35.40      
6 A 3093 2932 7.52      
7 A 3073 2913 24.97      
8 A 3063 2904 23.44      
9 A 1744 1653 8.60      
10 A 1539 1460 5.40      
11 A 1531 1452 5.62      
12 A 1516 1438 3.20      
13 A 1487 1410 2.44      
14 A 1438 1363 2.35      
15 A 1377 1306 1.84      
16 A 1341 1272 0.87      
17 A 1319 1250 0.16      
18 A 1225 1162 0.31      
19 A 1121 1063 4.23      
20 A 1063 1008 2.45      
21 A 1047 992 12.12      
22 A 1005 953 1.64      
23 A 976 925 40.16      
24 A 881 835 1.58      
25 A 807 766 2.25      
26 A 671 636 9.31      
27 A 439 417 0.65      
28 A 323 307 0.49      
29 A 244 232 0.04      
30 A 108 103 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 24151.4 cm-1
Scaled (by 0.9481) Zero Point Vibrational Energy (zpe) 22897.9 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 CCSD=FULL/cc-pVTZ
ABC
0.75966 0.14027 0.13711

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.708 -0.248 -0.295
C2 0.538 0.522 0.306
C3 -0.714 -0.293 0.345
C4 -1.843 0.017 -0.281
H5 -0.670 -1.206 0.921
H6 1.492 -0.535 -1.321
H7 2.615 0.351 -0.290
H8 1.904 -1.157 0.270
H9 0.799 0.828 1.319
H10 0.359 1.431 -0.263
H11 -1.925 0.918 -0.868
H12 -2.712 -0.615 -0.223

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.52422.50583.56102.83691.08681.08651.08772.14252.15483.85914.4362
C21.52421.49452.50362.19562.16172.16732.16431.08981.08772.75793.4840
C32.50581.49451.32721.08032.77493.44952.75792.11992.11952.09882.1020
C43.56102.50361.32722.07763.53684.47003.96493.19282.61641.07861.0768
H52.83692.19561.08032.07763.18563.83092.65482.53963.06783.04772.4143
H61.08682.16172.77493.53683.18561.76211.75713.05072.50383.74114.3461
H71.08652.16733.44954.47003.83091.76211.75862.47322.50174.61185.4142
H81.08772.16432.75793.96492.65481.75711.75862.50233.06114.50174.6738
H92.14251.08982.11993.19282.53963.05072.47322.50231.74943.49484.0972
H102.15481.08772.11952.61643.06782.50382.50173.06111.74942.41793.6905
H113.85912.75792.09881.07863.04773.74114.61184.50173.49482.41791.8405
H124.43623.48402.10201.07682.41434.34615.41424.67384.09723.69051.8405

picture of 1-Butene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.211 C1 C2 H9 108.964
C1 C2 H10 110.055 C2 C1 H6 110.656
C2 C1 H7 111.119 C2 C1 H8 110.813
C2 C3 C4 124.962 C2 C3 H5 116.086
C3 C2 H9 109.230 C3 C2 H10 109.322
C3 C4 H11 121.134 C3 C4 H12 121.594
C4 C3 H5 118.946 H6 C1 H7 108.351
H6 C1 H8 107.814 H7 C1 H8 107.967
H9 C2 H10 106.912 H11 C4 H12 117.272
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability