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All results from a given calculation for C3H7NO (dimethylformamide)

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-247.773503
Energy at 298.15K-247.781879
HF Energy-246.999698
Nuclear repulsion energy181.442136
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 MP2/6-31G**
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' 3265 3058 0.47      
2 A' 3232 3027 15.52      
3 A' 3115 2918 46.90      
4 A' 3106 2909 48.77      
5 A' 3055 2861 90.81      
6 A' 1807 1692 381.06      
7 A' 1596 1494 11.97      
8 A' 1566 1467 14.12      
9 A' 1513 1416 9.28      
10 A' 1480 1386 62.18      
11 A' 1475 1381 18.93      
12 A' 1462 1369 38.30      
13 A' 1328 1244 37.62      
14 A' 1131 1059 109.87      
15 A' 1113 1042 2.02      
16 A' 900 843 1.93      
17 A' 667 625 6.68      
18 A' 396 370 1.27      
19 A' 328 307 11.72      
20 A" 3193 2990 17.65      
21 A" 3182 2980 44.28      
22 A" 1558 1459 12.64      
23 A" 1534 1436 3.44      
24 A" 1210 1133 4.24      
25 A" 1161 1087 0.05      
26 A" 1028 963 0.29      
27 A" 336 315 17.48      
28 A" 232 217 2.48      
29 A" 170 159 0.51      
30 A" 93 87 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 23114.7 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 21646.9 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 MP2/6-31G**
ABC
0.29965 0.13900 0.09847

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.702 -0.819 0.000
O2 0.212 -1.945 0.000
N3 0.000 0.351 0.000
C4 -1.448 0.327 0.000
C5 0.656 1.639 0.000
H6 1.789 -0.643 0.000
H7 -1.763 -0.712 0.000
H8 -1.838 0.829 0.887
H9 -1.838 0.829 -0.887
H10 1.735 1.495 0.000
H11 0.381 2.215 -0.886
H12 0.381 2.215 0.886

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.22821.36482.43702.45841.10172.46693.15563.15562.53483.17703.1770
O21.22822.30612.81433.61152.04592.32783.56193.56193.76304.25684.2568
N31.36482.30611.44861.44522.04712.05812.09622.09622.07842.09842.0984
C42.43702.81431.44862.47993.38011.08541.09121.09123.39092.77402.7740
C52.45843.61151.44522.47992.54753.37272.76832.76831.08801.09181.0918
H61.10172.04592.04713.38012.54753.55274.01434.01432.13923.30683.3068
H72.46692.32782.05811.08543.37273.55271.77981.77984.13563.73423.7342
H83.15563.56192.09621.09122.76834.01431.77981.77383.74123.16022.6162
H93.15563.56192.09621.09122.76834.01431.77981.77383.74122.61623.1602
H102.53483.76302.07843.39091.08802.13924.13563.74123.74121.77041.7704
H113.17704.25682.09842.77401.09183.30683.73423.16022.61621.77041.7713
H123.17704.25682.09842.77401.09183.30683.73422.61623.16021.77041.7713

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 120.013 C1 N3 C5 122.035
O2 C1 N3 125.508 O2 C1 H6 122.746
N3 C1 H6 111.746 N3 C4 H7 107.764
N3 C4 H8 110.460 N3 C4 H9 110.460
N3 C5 H10 109.449 N3 C5 H11 110.839
N3 C5 H12 110.839 C4 N3 C5 117.952
H7 C4 H8 109.708 H7 C4 H9 109.708
H8 C4 H9 108.733 H10 C5 H11 108.615
H10 C5 H12 108.615 H11 C5 H12 108.422
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability