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All results from a given calculation for C3H7NO (dimethylformamide)

using model chemistry: QCISD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31+G**
 hartrees
Energy at 0K-247.830732
Energy at 298.15K 
HF Energy-247.006510
Nuclear repulsion energy181.082737
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 QCISD/6-31+G**
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' 3235 3058 1.19      
2 A' 3198 3023 20.12      
3 A' 3090 2922 61.29      
4 A' 3084 2916 55.56      
5 A' 3065 2898 74.76      
6 A' 1770 1674 529.76      
7 A' 1584 1498 19.28      
8 A' 1555 1470 9.87      
9 A' 1513 1431 12.41      
10 A' 1483 1402 37.02      
11 A' 1478 1397 40.91      
12 A' 1458 1378 60.50      
13 A' 1322 1250 36.28      
14 A' 1128 1067 114.81      
15 A' 1111 1051 4.61      
16 A' 891 842 2.33      
17 A' 664 628 7.45      
18 A' 397 375 1.54      
19 A' 323 305 11.62      
20 A" 3153 2981 9.29      
21 A" 3148 2976 58.08      
22 A" 1541 1457 13.97      
23 A" 1521 1438 3.73      
24 A" 1201 1135 7.15      
25 A" 1153 1090 0.04      
26 A" 1032 976 0.01      
27 A" 320 302 20.55      
28 A" 216 204 2.54      
29 A" 138 131 0.66      
30 A" 3i 3i 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 22885.2 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 21635.7 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 QCISD/6-31+G**
ABC
0.29696 0.13871 0.09804

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.698 -0.823 0.000
O2 0.206 -1.950 0.000
N3 0.000 0.347 0.000
C4 -1.455 0.341 0.000
C5 0.671 1.635 0.000
H6 1.786 -0.663 0.000
H7 -1.794 -0.691 0.000
H8 -1.834 0.852 0.889
H9 -1.834 0.852 -0.889
H10 1.749 1.483 0.000
H11 0.397 2.211 -0.888
H12 0.397 2.211 0.888

Atom - Atom Distances (Å)
  C1 O2 N3 C4 C5 H6 H7 H8 H9 H10 H11 H12
C11.22941.36212.44752.45781.09992.49553.16323.16322.53463.17523.1752
O21.22942.30552.82963.61432.03772.36323.57803.57803.76394.25824.2582
N31.36212.30551.45481.45222.05192.07232.09932.09932.08622.10242.1024
C42.44752.82961.45482.48793.39311.08641.09281.09283.40152.77682.7768
C52.45783.61431.45222.48792.55443.38852.76972.76971.08941.09301.0930
H61.09992.03772.05193.39312.55443.58034.02364.02362.14683.31323.3132
H72.49552.36322.07231.08643.38853.58031.78131.78134.15713.74243.7424
H83.16323.57802.09931.09282.76974.02361.78131.77703.74493.15802.6113
H93.16323.57802.09931.09282.76974.02361.78131.77703.74492.61133.1580
H102.53463.76392.08623.40151.08942.14684.15713.74493.74491.77381.7738
H113.17524.25822.10242.77681.09303.31323.74243.15802.61131.77381.7752
H123.17524.25822.10242.77681.09303.31323.74242.61133.15801.77381.7752

picture of dimethylformamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C4 120.619 C1 N3 C5 121.670
O2 C1 N3 125.583 O2 C1 H6 121.944
N3 C1 H6 112.473 N3 C4 H7 108.401
N3 C4 H8 110.173 N3 C4 H9 110.173
N3 C5 H10 109.512 N3 C5 H11 110.597
N3 C5 H12 110.597 C4 N3 C5 117.711
H7 C4 H8 109.649 H7 C4 H9 109.649
H8 C4 H9 108.786 H10 C5 H11 108.741
H10 C5 H12 108.741 H11 C5 H12 108.607
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability