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All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

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-210.948146
Energy at 298.15K-210.955409
HF Energy-210.068860
Nuclear repulsion energy154.331568
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' 3165 3016 17.90      
2 A' 3092 2946 18.07      
3 A' 3080 2935 0.04      
4 A' 3068 2923 16.13      
5 A' 2195 2091 0.42      
6 A' 1525 1453 7.63      
7 A' 1511 1439 1.28      
8 A' 1485 1415 3.22      
9 A' 1423 1356 2.35      
10 A' 1389 1324 1.89      
11 A' 1306 1244 1.87      
12 A' 1128 1075 2.30      
13 A' 1076 1025 0.22      
14 A' 972 926 1.50      
15 A' 890 848 1.62      
16 A' 522 497 0.47      
17 A' 344 328 0.03      
18 A' 160 152 6.23      
19 A" 3159 3010 31.14      
20 A" 3142 2994 0.01      
21 A" 3124 2977 0.00      
22 A" 1520 1449 7.88      
23 A" 1340 1277 0.03      
24 A" 1271 1211 0.01      
25 A" 1136 1083 0.03      
26 A" 877 836 0.21      
27 A" 747 712 2.89      
28 A" 368 350 0.45      
29 A" 248 236 0.01      
30 A" 100 95 4.44      

Unscaled Zero Point Vibrational Energy (zpe) 22679.7 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 21611.5 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
0.79300 0.07599 0.07211

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)
H1 2.743 -1.481 0.000
H2 2.555 0.033 0.882
H3 2.555 0.033 -0.882
C4 2.232 -0.520 0.000
H5 0.412 -1.280 0.876
H6 0.412 -1.280 -0.876
C7 0.722 -0.711 0.000
H8 0.280 1.217 0.879
H9 0.280 1.217 -0.879
C10 0.000 0.636 0.000
N11 -2.606 0.320 0.000
C12 -1.452 0.477 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 H6 C7 H8 H9 C10 N11 C12
H11.76271.76271.08872.49832.49832.16253.75713.75713.46485.64374.6296
H21.76271.76461.09032.51393.06802.16642.56423.11102.76955.24384.1273
H31.76271.76461.09033.06802.51392.16643.11102.56422.76955.24384.1273
C41.08871.09031.09032.15852.15851.52192.75622.75622.51334.91003.8165
H52.49832.51393.06802.15851.75271.09012.50103.05572.14743.52642.7077
H62.49833.06802.51392.15851.75271.09013.05572.50102.14743.52642.7077
C72.16252.16642.16641.52191.09011.09012.16472.16471.52853.48392.4778
H83.75712.56423.11102.75622.50103.05572.16471.75851.09053.14812.0793
H93.75713.11102.56422.75623.05572.50102.16471.75851.09053.14812.0793
C103.46482.76952.76952.51332.14742.14741.52851.09051.09052.62531.4611
N115.64375.24385.24384.91003.52643.52643.48393.14813.14812.62531.1644
C124.62964.12734.12733.81652.70772.70772.47782.07932.07931.46111.1644

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 59.963 C2 C3 C4 35.980
C2 C3 H6 89.864 C2 C3 H7 65.966
C3 C4 C5 139.228 C3 C4 H8 98.539
C3 C4 H9 68.419 C4 C3 H6 58.682
C4 C3 H7 40.994 C4 C5 H10 71.419
C4 C5 H11 117.435 C4 C5 H12 102.725
C5 C4 H8 59.712 C5 C4 H9 75.800
H6 C3 H7 25.579 H8 C4 H9 37.206
H10 C5 H11 47.895 H10 C5 H12 32.496
H11 C5 H12 15.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability