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All results from a given calculation for CH3CH(CH3)CN (Propanenitrile, 2-methyl-)

using model chemistry: MP3/6-31+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 MP3/6-31+G**
 hartrees
Energy at 0K-210.766941
Energy at 298.15K-210.774264
HF Energy-210.011559
Nuclear repulsion energy158.949809
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 MP3/6-31+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' 3229 3005 21.80      
2 A' 3223 2999 39.86      
3 A' 3145 2926 5.53      
4 A' 3135 2917 15.42      
5 A' 2428 2260 5.20      
6 A' 1561 1453 11.03      
7 A' 1553 1445 7.10      
8 A' 1482 1379 3.77      
9 A' 1397 1300 7.62      
10 A' 1236 1150 1.83      
11 A' 1162 1081 3.69      
12 A' 966 899 0.12      
13 A' 791 736 1.30      
14 A' 555 517 0.82      
15 A' 362 337 0.23      
16 A' 292 272 0.87      
17 A' 222 207 2.18      
18 A" 3228 3004 14.22      
19 A" 3219 2995 0.00      
20 A" 3133 2915 18.35      
21 A" 1542 1435 3.41      
22 A" 1540 1433 0.35      
23 A" 1461 1359 3.66      
24 A" 1378 1282 0.40      
25 A" 1177 1095 2.20      
26 A" 1008 938 0.16      
27 A" 967 900 1.02      
28 A" 572 532 0.24      
29 A" 233 216 0.04      
30 A" 187 174 4.67      

Unscaled Zero Point Vibrational Energy (zpe) 23191.3 cm-1
Scaled (by 0.9305) Zero Point Vibrational Energy (zpe) 21579.5 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 MP3/6-31+G**
ABC
0.26576 0.13137 0.09627

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.404 -2.185 0.000
C2 0.027 -1.087 0.000
C3 -0.440 0.314 0.000
C4 0.027 1.031 1.273
C5 0.027 1.031 -1.273
H6 -1.531 0.272 0.000
H7 -0.359 2.050 1.278
H8 -0.328 0.520 2.166
H9 1.115 1.073 1.309
H10 -0.359 2.050 -1.278
H11 -0.328 0.520 -2.166
H12 1.115 1.073 -1.309

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.16052.63783.47963.47963.12754.48873.54173.58284.48873.54173.5828
C21.16051.47732.47182.47182.06793.40942.72042.75053.40942.72042.7505
C32.63781.47731.53421.53421.09192.15702.17832.16982.15702.17832.1698
C43.47962.47181.53422.54642.15081.08911.08801.08922.77403.49472.8023
C53.47962.47181.53422.54642.15082.77403.49472.80231.08911.08801.0892
H63.12752.06791.09192.15082.15082.48372.48973.05902.48372.48973.0590
H74.48873.40942.15701.08912.77402.48371.76871.76792.55613.76823.1333
H83.54172.72042.17831.08803.49472.48971.76871.76693.76824.33123.8028
H93.58282.75052.16981.08922.80233.05901.76791.76693.13333.80282.6180
H104.48873.40942.15702.77401.08912.48372.55613.76823.13331.76871.7679
H113.54172.72042.17833.49471.08802.48973.76824.33123.80281.76871.7669
H123.58282.75052.16982.80231.08923.05903.13333.80282.61801.76791.7669

picture of Propanenitrile, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.495 C2 C3 C4 110.314
C2 C3 C5 110.314 C2 C3 H6 106.227
C3 C4 H7 109.452 C3 C4 H8 111.204
C3 C4 H9 110.454 C3 C5 H10 109.452
C3 C5 H11 111.204 C3 C5 H12 110.454
C4 C3 C5 112.178 C4 C3 H6 108.804
C5 C3 H6 108.804 H7 C4 H8 108.666
H7 C4 H9 108.506 H8 C4 H9 108.496
H10 C5 H11 108.666 H10 C5 H12 108.506
H11 C5 H12 108.496
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability