return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NH(CH3)CONH(CH3) (Urea, N,N'-dimethyl-)

using model chemistry: B2PLYP=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B2PLYP=FULL/3-21G
 hartrees
Energy at 0K-301.789881
Energy at 298.15K-301.799966
HF Energy-301.582757
Nuclear repulsion energy246.319745
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 B2PLYP=FULL/3-21G
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 3605 3432 20.14      
2 A 3178 3025 0.49      
3 A 3107 2958 0.00      
4 A 3061 2914 1.43      
5 A 1719 1637 111.43      
6 A 1607 1530 31.30      
7 A 1597 1521 0.00      
8 A 1530 1456 12.78      
9 A 1481 1410 62.77      
10 A 1205 1147 7.21      
11 A 1183 1126 0.00      
12 A 1173 1117 3.50      
13 A 920 876 5.82      
14 A 507 483 1.62      
15 A 271 258 0.00      
16 A 244 232 0.84      
17 A 179 170 0.00      
18 A 125 119 0.00      
19 B 3597 3424 6.41      
20 B 3177 3025 0.00      
21 B 3108 2958 97.32      
22 B 3059 2912 137.48      
23 B 1618 1540 55.54      
24 B 1598 1521 14.62      
25 B 1551 1476 322.68      
26 B 1493 1422 8.02      
27 B 1257 1196 355.75      
28 B 1189 1132 2.36      
29 B 1181 1124 62.35      
30 B 1034 984 3.86      
31 B 767 731 37.04      
32 B 712 677 9.54      
33 B 511 487 309.32      
34 B 381 362 37.90      
35 B 163 155 2.67      
36 B 116 110 14.22      

Unscaled Zero Point Vibrational Energy (zpe) 26601.1 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 25324.2 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 B2PLYP=FULL/3-21G
ABC
0.32129 0.07118 0.05959

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.087
O2 0.000 0.000 1.338
N3 0.000 1.163 -0.664
N4 0.000 -1.163 -0.664
C5 0.001 2.463 0.015
C6 -0.001 -2.463 0.015
H7 0.000 1.130 -1.674
H8 -0.000 -1.130 -1.674
H9 0.893 3.047 -0.233
H10 -0.893 -3.047 -0.233
H11 0.001 2.238 1.082
H12 -0.001 -2.238 1.082
H13 -0.890 3.048 -0.232
H14 0.890 -3.048 -0.232

Atom - Atom Distances (Å)
  C1 O2 N3 N4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
C11.25141.38441.38442.46422.46422.09262.09263.19143.19142.44892.44893.19173.1917
O21.25142.31552.31552.79602.79603.21763.21763.54273.54272.25232.25233.54283.5428
N31.38442.31552.32621.46693.68941.01072.50622.12914.32552.05003.82272.12914.3261
N41.38442.31552.32623.68941.46692.50621.01074.32552.12913.82272.05004.32612.1291
C52.46422.79601.46693.68944.92642.15193.97101.09455.58801.09024.82031.09455.5883
C62.46422.79603.68941.46694.92643.97102.15195.58801.09454.82031.09025.58831.0945
H72.09263.21761.01072.50622.15193.97102.26092.55914.50872.97014.35202.55934.5094
H82.09263.21762.50621.01073.97102.15192.26094.50872.55914.35202.97014.50942.5593
H93.19143.54272.12914.32551.09455.58802.55914.50876.35071.78295.51881.78316.0956
H103.19143.54274.32552.12915.58801.09454.50872.55916.35075.51881.78296.09561.7831
H112.44892.25232.05003.82271.09024.82032.97014.35201.78295.51884.47531.78295.5189
H122.44892.25233.82272.05004.82031.09024.35202.97015.51881.78294.47535.51891.7829
H133.19173.54282.12914.32611.09455.58832.55934.50941.78316.09561.78295.51896.3514
H143.19173.54284.32612.12915.58831.09454.50942.55936.09561.78315.51891.78296.3514

picture of Urea, N,N'-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 C5 119.572 C1 N3 H7 120.992
C1 N4 C6 119.572 C1 N4 H8 120.992
O2 C1 N3 122.842 O2 C1 N4 122.842
N3 C1 N4 114.317 N3 C5 H9 111.626
N3 C5 H11 105.644 N3 C5 H13 111.626
N4 C6 H10 111.626 N4 C6 H12 105.644
N4 C6 H14 111.626 C5 N3 H7 119.436
C6 N4 H8 119.436 H9 C5 H11 109.394
H9 C5 H13 109.084 H10 C6 H12 109.394
H10 C6 H14 109.084 H11 C5 H13 109.387
H12 C6 H14 109.387
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability