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

using model chemistry: MP2/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-210.950121
Energy at 298.15K-210.957371
HF Energy-210.068804
Nuclear repulsion energy159.297312
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/aug-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' 3174 3025 12.96      
2 A' 3168 3019 23.88      
3 A' 3090 2945 3.06      
4 A' 3074 2929 11.87      
5 A' 2184 2081 0.14      
6 A' 1529 1457 10.67      
7 A' 1520 1448 7.89      
8 A' 1428 1361 3.32      
9 A' 1358 1294 5.60      
10 A' 1206 1149 2.08      
11 A' 1135 1081 3.70      
12 A' 950 906 0.81      
13 A' 784 747 0.38      
14 A' 539 514 0.73      
15 A' 352 335 0.20      
16 A' 287 274 0.61      
17 A' 215 205 2.54      
18 A" 3173 3024 9.23      
19 A" 3165 3016 0.14      
20 A" 3075 2930 12.51      
21 A" 1507 1436 3.01      
22 A" 1506 1435 0.87      
23 A" 1408 1342 4.18      
24 A" 1331 1269 0.27      
25 A" 1149 1095 2.31      
26 A" 988 942 0.24      
27 A" 944 899 1.64      
28 A" 557 531 0.01      
29 A" 228 218 0.01      
30 A" 180 172 4.60      

Unscaled Zero Point Vibrational Energy (zpe) 22602.1 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 21537.5 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 MP2/aug-cc-pVTZ
ABC
0.26764 0.13225 0.09719

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.151 -2.212 0.000
C2 -0.110 -1.070 0.000
C3 -0.409 0.363 0.000
C4 0.151 1.015 1.266
C5 0.151 1.015 -1.266
H6 -1.497 0.460 0.000
H7 -0.105 2.074 1.273
H8 -0.255 0.550 2.162
H9 1.236 0.920 1.289
H10 -0.105 2.074 -1.273
H11 -0.255 0.550 -2.162
H12 1.236 0.920 -1.289

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17162.63543.46663.46663.13914.47853.53163.55684.47853.53163.5568
C21.17161.46392.45312.45312.06473.39192.70602.72663.39192.70602.7266
C32.63541.46391.52981.52981.09222.15412.17592.16262.15412.17592.1626
C43.46662.45311.52982.53132.15061.08931.08831.08942.76263.48292.7770
C53.46662.45311.52982.53132.15062.76263.48292.77701.08931.08831.0894
H63.13912.06471.09222.15062.15062.48262.49533.05632.48262.49533.0563
H74.47853.39192.15411.08932.76262.48261.77021.76892.54633.76103.1133
H83.53162.70602.17591.08833.48292.49531.77021.76683.76104.32463.7774
H93.55682.72662.16261.08942.77703.05631.76891.76683.11333.77742.5777
H104.47853.39192.15412.76261.08932.48262.54633.76103.11331.77021.7689
H113.53162.70602.17593.48291.08832.49533.76104.32463.77741.77021.7668
H123.55682.72662.16262.77701.08943.05633.11333.77742.57771.76891.7668

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 178.904 C2 C3 C4 110.034
C2 C3 C5 110.034 C2 C3 H6 106.854
C3 C4 H7 109.514 C3 C4 H8 111.304
C3 C4 H9 110.179 C3 C5 H10 109.514
C3 C5 H11 111.304 C3 C5 H12 110.179
C4 C3 C5 111.648 C4 C3 H6 109.071
C5 C3 H6 109.071 H7 C4 H8 108.767
H7 C4 H9 108.568 H8 C4 H9 108.450
H10 C5 H11 108.767 H10 C5 H12 108.568
H11 C5 H12 108.450
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability