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All results from a given calculation for CH3CHNH (ethanimine)

using model chemistry: MP4/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS NH down 1A'

Conformer 1 (CS NH up)

Jump to S1C2
Vibrational Frequencies calculated at MP4/6-31G*
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' 3405 3326        
2 A' 3172 3099        
3 A' 3058 2988        
4 A' 3042 2971        
5 A' 1705 1666        
6 A' 1522 1487        
7 A' 1462 1428        
8 A' 1427 1394        
9 A' 1303 1273        
10 A' 1083 1058        
11 A' 949 927        
12 A' 490 478        
13 A" 3125 3053        
14 A" 1524 1489        
15 A" 1125 1099        
16 A" 1099 1074        
17 A" 688 672        
18 A" 182 178        

Unscaled Zero Point Vibrational Energy (zpe) 15179.3 cm-1
Scaled (by 0.9769) Zero Point Vibrational Energy (zpe) 14828.7 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/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS NH down)

Jump to S1C1
Energy calculated at MP4/aug-cc-pVDZ
 hartrees
Energy at 0K-133.610064
Energy at 298.15K-133.615486
HF Energy-133.092373
Nuclear repulsion energy70.011121
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 MP4/6-31G*
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' 3362 3284        
2 A' 3144 3071        
3 A' 3114 3042        
4 A' 3050 2980        
5 A' 1699 1660        
6 A' 1528 1492        
7 A' 1455 1422        
8 A' 1439 1405        
9 A' 1307 1277        
10 A' 1087 1062        
11 A' 928 906        
12 A' 494 482        
13 A" 3127 3055        
14 A" 1518 1482        
15 A" 1154 1127        
16 A" 1095 1070        
17 A" 686 670        
18 A" 161 157        

Unscaled Zero Point Vibrational Energy (zpe) 15172.4 cm-1
Scaled (by 0.9769) Zero Point Vibrational Energy (zpe) 14821.9 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/aug-cc-pVDZ
ABC
1.64292 0.32030 0.28241

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.037 -0.617 0.000
C2 0.000 0.489 0.000
N3 1.288 0.365 0.000
H4 -0.559 -1.612 0.000
H5 -1.687 -0.528 0.891
H6 -1.687 -0.528 -0.891
H7 -0.391 1.522 0.000
H8 1.534 -0.639 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7 H8
C11.51612.52401.10481.10631.10632.23452.5718
C21.51611.29382.17412.16212.16211.10481.9042
N32.52401.29382.70533.23153.23152.03881.0338
H41.10482.17412.70531.80101.80103.13902.3080
H51.10632.16213.23151.80101.78182.58423.3443
H61.10632.16213.23151.80101.78182.58423.3443
H72.23451.10482.03883.13902.58422.58422.8942
H82.57181.90421.03382.30803.34433.34432.8942

picture of ethanimine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.688 C1 C2 H7 116.105
C2 C1 H4 111.131 C2 C1 H5 110.094
C2 C1 H6 110.094 C2 N3 H8 109.281
N3 C2 H7 116.208 H4 C1 H5 109.077
H4 C1 H6 109.077 H5 C1 H6 107.278
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability