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

using model chemistry: MP2=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-2688.186338
Energy at 298.15K-2688.196922
HF Energy-2687.588558
Nuclear repulsion energy251.709538
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 MP2=FULL/6-31G**
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' 3251 3038 16.76      
2 A' 3227 3015 26.94      
3 A' 3192 2983 3.09      
4 A' 3129 2924 19.85      
5 A' 1565 1462 6.44      
6 A' 1554 1452 7.17      
7 A' 1471 1375 3.90      
8 A' 1304 1219 45.78      
9 A' 1225 1145 23.01      
10 A' 1091 1019 6.28      
11 A' 930 869 5.23      
12 A' 575 537 13.62      
13 A' 412 385 1.22      
14 A' 313 292 1.05      
15 A' 281 262 0.86      
16 A" 3248 3035 8.10      
17 A" 3223 3011 1.52      
18 A" 3127 2921 10.15      
19 A" 1545 1444 0.48      
20 A" 1541 1440 2.29      
21 A" 1458 1362 8.55      
22 A" 1402 1310 0.71      
23 A" 1191 1113 0.63      
24 A" 988 923 0.03      
25 A" 967 903 1.27      
26 A" 296 277 0.58      
27 A" 262 245 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 21383.0 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 19980.3 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 MP2=FULL/6-31G**
ABC
0.26983 0.09734 0.07672

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.453 -0.901 0.000
Br2 -0.066 1.005 0.000
H3 1.540 -0.870 0.000
C4 -0.066 -1.549 1.266
C5 -0.066 -1.549 -1.266
H6 -1.152 -1.511 1.291
H7 0.247 -2.593 1.292
H8 0.318 -1.049 2.151
H9 -1.152 -1.511 -1.291
H10 0.247 -2.593 -1.292
H11 0.318 -1.049 -2.151

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.97511.08751.51421.51422.14922.13972.15992.14922.13972.1599
Br21.97512.46902.85072.85073.02993.83622.99823.02993.83622.9982
H31.08752.46902.15492.15493.05452.51262.48033.05452.51262.4803
C41.51422.85072.15492.53201.08761.09041.08642.77892.78093.4743
C51.51422.85072.15492.53202.77892.78093.47431.08761.09041.0864
H62.14923.02993.05451.08762.77891.76881.76462.58283.13123.7713
H72.13973.83622.51261.09042.78091.76881.76873.13122.58473.7744
H82.15992.99822.48031.08643.47431.76461.76873.77133.77444.3012
H92.14923.02993.05452.77891.08762.58283.13123.77131.76881.7646
H102.13973.83622.51262.78091.09043.13122.58473.77441.76881.7687
H112.15992.99822.48033.47431.08643.77133.77444.30121.76461.7687

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 110.311 C1 C4 H7 109.397
C1 C4 H8 111.249 C1 C5 H9 110.311
C1 C5 H10 109.397 C1 C5 H11 111.249
Br2 C1 H3 103.633 Br2 C1 C4 108.852
Br2 C1 C5 108.852 H3 C1 C4 110.772
H3 C1 C5 110.772 C4 C1 C5 113.463
H6 C4 H7 108.608 H6 C4 H8 108.524
H7 C4 H8 108.694 H9 C5 H10 108.608
H9 C5 H11 108.524 H10 C5 H11 108.694
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability