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

using model chemistry: MP4/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP4/TZVP
 hartrees
Energy at 0K-210.889938
Energy at 298.15K-210.897162
HF Energy-210.061041
Nuclear repulsion energy158.674432
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 MP4/TZVP
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' 3147 3030        
2 A' 3140 3024        
3 A' 3067 2953        
4 A' 3055 2941        
5 A' 2178 2098        
6 A' 1522 1466        
7 A' 1517 1461        
8 A' 1446 1393        
9 A' 1360 1309        
10 A' 1210 1165        
11 A' 1131 1089        
12 A' 941 906        
13 A' 773 744        
14 A' 536 516        
15 A' 353 340        
16 A' 290 279        
17 A' 213 205        
18 A" 3145 3028        
19 A" 3136 3020        
20 A" 3053 2940        
21 A" 1505 1449        
22 A" 1500 1444        
23 A" 1423 1370        
24 A" 1345 1295        
25 A" 1146 1103        
26 A" 984 948        
27 A" 950 915        
28 A" 553 533        
29 A" 223 215        
30 A" 178 171        

Unscaled Zero Point Vibrational Energy (zpe) 22510.0 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 21674.9 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 MP4/TZVP
ABC
0.26511 0.13124 0.09634

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.151 -2.220 0.000
C2 -0.110 -1.077 0.000
C3 -0.408 0.365 0.000
C4 0.151 1.019 1.272
C5 0.151 1.019 -1.272
H6 -1.500 0.462 0.000
H7 -0.099 2.083 1.277
H8 -0.266 0.557 2.170
H9 1.239 0.917 1.305
H10 -0.099 2.083 -1.277
H11 -0.266 0.557 -2.170
H12 1.239 0.917 -1.305

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.17272.64493.48003.48003.14924.49583.54893.56714.49583.54893.5671
C21.17271.47242.46572.46572.07313.40852.72082.73793.40852.72082.7379
C32.64491.47241.53591.53591.09582.16302.18302.17232.16302.18302.1723
C43.48002.46571.53592.54462.15721.09331.09211.09332.77403.49792.7990
C53.48002.46571.53592.54462.15722.77403.49792.79901.09331.09211.0933
H63.14922.07311.09582.15722.15722.49422.49803.06742.49422.49803.0674
H74.49583.40852.16301.09332.77402.49421.77581.77562.55433.77343.1333
H83.54892.72082.18301.09213.49792.49801.77581.77263.77344.33973.8033
H93.56712.73792.17231.09332.79903.06741.77561.77263.13333.80332.6092
H104.49583.40852.16302.77401.09332.49422.55433.77343.13331.77581.7756
H113.54892.72082.18303.49791.09212.49803.77344.33973.80331.77581.7726
H123.56712.73792.17232.79901.09333.06743.13333.80332.60921.77561.7726

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 178.793 C2 C3 C4 110.080
C2 C3 C5 110.080 C2 C3 H6 106.735
C3 C4 H7 109.564 C3 C4 H8 111.216
C3 C4 H9 110.295 C3 C5 H10 109.564
C3 C5 H11 111.216 C3 C5 H12 110.295
C4 C3 C5 111.865 C4 C3 H6 108.966
C5 C3 H6 108.966 H7 C4 H8 108.701
H7 C4 H9 108.595 H8 C4 H9 108.411
H10 C5 H11 108.701 H10 C5 H12 108.595
H11 C5 H12 108.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability