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All results from a given calculation for C4H10O2 (1,4-Butanediol)

using model chemistry: MP2/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/CEP-31G
 hartrees
Energy at 0K-59.552886
Energy at 298.15K-59.564286
HF Energy-59.011054
Nuclear repulsion energy137.794983
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/CEP-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 Ag 3680 3556 0.00      
2 Ag 3053 2950 0.00      
3 Ag 3022 2920 0.00      
4 Ag 1546 1494 0.00      
5 Ag 1528 1476 0.00      
6 Ag 1465 1415 0.00      
7 Ag 1410 1363 0.00      
8 Ag 1254 1212 0.00      
9 Ag 1083 1047 0.00      
10 Ag 1033 998 0.00      
11 Ag 971 938 0.00      
12 Ag 355 343 0.00      
13 Ag 318 307 0.00      
14 Au 3140 3035 163.72      
15 Au 3087 2983 90.58      
16 Au 1339 1294 4.66      
17 Au 1192 1152 3.08      
18 Au 966 933 1.12      
19 Au 776 750 2.15      
20 Au 265 256 353.94      
21 Au 96 93 24.00      
22 Au 67 65 17.67      
23 Bg 3120 3015 0.00      
24 Bg 3087 2983 0.00      
25 Bg 1336 1291 0.00      
26 Bg 1295 1251 0.00      
27 Bg 1169 1129 0.00      
28 Bg 843 814 0.00      
29 Bg 258 250 0.00      
30 Bg 129 125 0.00      
31 Bu 3680 3556 13.02      
32 Bu 3058 2955 95.76      
33 Bu 3022 2920 135.20      
34 Bu 1551 1498 4.94      
35 Bu 1532 1480 3.99      
36 Bu 1463 1414 23.02      
37 Bu 1319 1274 25.66      
38 Bu 1204 1163 69.95      
39 Bu 1035 1000 131.23      
40 Bu 946 914 49.14      
41 Bu 493 476 53.93      
42 Bu 132 127 10.81      

Unscaled Zero Point Vibrational Energy (zpe) 31157.2 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 30107.2 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 MP2/CEP-31G
ABC
0.53765 0.03632 0.03495

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.306 2.852 0.000
O2 -1.306 -2.852 0.000
C3 1.443 1.360 0.000
C4 -1.443 -1.360 0.000
C5 0.000 0.786 0.000
C6 0.000 -0.786 0.000
H7 2.195 3.283 0.000
H8 -2.195 -3.283 0.000
H9 -0.531 1.170 0.899
H10 -0.531 1.170 -0.899
H11 0.531 -1.170 0.899
H12 0.531 -1.170 -0.899
H13 -1.998 -1.028 -0.907
H14 -1.998 -1.028 0.907
H15 1.998 1.028 -0.907
H16 1.998 1.028 0.907

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.27351.49845.02962.44453.86490.98817.06402.64802.64804.19354.19355.17595.17592.15152.1515
O26.27355.02961.49843.86492.44457.06400.98814.19354.19352.64802.64802.15152.15155.17595.1759
C31.49845.02963.96591.55342.58572.06535.89882.17772.17772.83562.83564.28534.28531.11391.1139
C45.02961.49843.96592.58571.55345.89882.06532.83562.83562.17772.17771.11391.11394.28534.2853
C52.44453.86491.55342.58571.57133.32534.62331.11271.11272.21712.21712.84642.84642.20752.2075
C63.86492.44452.58571.55341.57134.62333.32532.21712.21711.11271.11272.20752.20752.84642.8464
H70.98817.06402.06535.89883.32534.62337.89913.56453.56454.83854.83856.08186.08182.43932.4393
H87.06400.98815.89882.06534.62333.32537.89914.83854.83853.56453.56452.43932.43936.08186.0818
H92.64804.19352.17772.83561.11272.21713.56454.83851.79802.57013.13663.20062.64233.11102.5329
H102.64804.19352.17772.83561.11272.21713.56454.83851.79803.13662.57012.64233.20062.53293.1110
H114.19352.64802.83562.17772.21711.11274.83853.56452.57013.13661.79803.11102.53293.20062.6423
H124.19352.64802.83562.17772.21711.11274.83853.56453.13662.57011.79802.53293.11102.64233.2006
H135.17592.15154.28531.11392.84642.20756.08182.43933.20062.64233.11102.53291.81454.49324.8457
H145.17592.15154.28531.11392.84642.20756.08182.43932.64233.20062.53293.11101.81454.84574.4932
H152.15155.17591.11394.28532.20752.84642.43936.08183.11102.53293.20062.64234.49324.84571.8145
H162.15155.17591.11394.28532.20752.84642.43936.08182.53293.11102.64233.20064.84574.49321.8145

picture of 1,4-Butanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C5 106.439 O1 C3 H15 110.025
O1 C3 H16 110.025 O2 C4 C6 106.439
O2 C4 H13 110.025 O2 C4 H14 110.025
C3 O1 H7 110.644 C3 C5 C6 111.686
C3 C5 H9 108.405 C3 C5 H10 108.405
C4 O2 H8 110.644 C4 C6 C5 111.686
C4 C6 H11 108.405 C4 C6 H12 108.405
C5 C3 H15 110.629 C5 C3 H16 110.629
C5 C6 H11 110.219 C5 C6 H12 110.219
C6 C4 H13 110.629 C6 C4 H14 110.629
C6 C5 H9 110.219 C6 C5 H10 110.219
H9 C5 H10 107.795 H11 C6 H12 107.795
H13 C4 H14 109.071 H15 C3 H16 109.071
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability