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All results from a given calculation for CH3CHBrCH3 (i-propyl bromide)

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-2688.211236
Energy at 298.15K-2688.221906
HF Energy-2687.607981
Nuclear repulsion energy251.196068
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 CCD/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' 3219 3033 22.78      
2 A' 3196 3011 33.28      
3 A' 3179 2996 1.80      
4 A' 3108 2929 29.47      
5 A' 1556 1466 6.80      
6 A' 1546 1456 8.56      
7 A' 1479 1394 5.55      
8 A' 1315 1240 52.27      
9 A' 1229 1158 18.34      
10 A' 1099 1035 6.35      
11 A' 930 876 5.50      
12 A' 586 552 15.69      
13 A' 433 408 1.83      
14 A' 318 299 1.05      
15 A' 299 282 0.67      
16 A" 3214 3029 12.24      
17 A" 3187 3003 1.81      
18 A" 3104 2924 13.95      
19 A" 1536 1448 0.61      
20 A" 1533 1445 2.46      
21 A" 1465 1380 8.60      
22 A" 1403 1322 0.50      
23 A" 1185 1116 0.40      
24 A" 989 932 0.07      
25 A" 968 912 0.82      
26 A" 310 292 0.46      
27 A" 267 252 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 21325.4 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 20094.9 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 CCD/6-31+G**
ABC
0.26983 0.09677 0.07647

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.464 -0.898 0.000
Br2 -0.067 1.008 0.000
H3 1.551 -0.871 0.000
C4 -0.067 -1.554 1.264
C5 -0.067 -1.554 -1.264
H6 -1.156 -1.510 1.283
H7 0.240 -2.603 1.280
H8 0.316 -1.066 2.159
H9 -1.156 -1.510 -1.283
H10 0.240 -2.603 -1.280
H11 0.316 -1.066 -2.159

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.97841.08791.51951.51952.15472.14342.17042.15472.14342.1704
Br21.97842.47942.85632.85633.02803.84283.01813.02803.84283.0181
H31.08792.47942.16392.16393.06312.52172.49493.06312.52172.4949
C41.51952.85632.16392.52801.09021.09281.08862.77022.76903.4785
C51.51952.85632.16392.52802.77022.76903.47851.09021.09281.0886
H62.15473.02803.06311.09022.77021.77251.76952.56543.11623.7694
H72.14343.84282.52171.09282.76901.77251.77153.11622.56053.7675
H82.17043.01812.49491.08863.47851.76951.77153.76943.76754.3178
H92.15473.02803.06312.77021.09022.56543.11623.76941.77251.7695
H102.14343.84282.52172.76901.09283.11622.56053.76751.77251.7715
H112.17043.01812.49493.47851.08863.76943.76754.31781.76951.7715

picture of i-propyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H6 110.225 C1 C4 H7 109.183
C1 C4 H8 111.585 C1 C5 H9 110.225
C1 C5 H10 109.183 C1 C5 H11 111.585
Br2 C1 H3 104.110 Br2 C1 C4 108.781
Br2 C1 C5 108.781 H3 C1 C4 111.095
H3 C1 C5 111.095 C4 C1 C5 112.581
H6 C4 H7 108.571 H6 C4 H8 108.615
H7 C4 H8 108.597 H9 C5 H10 108.571
H9 C5 H11 108.615 H10 C5 H11 108.597
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability